CURRICULUM VITAE

(Research interests, Education, Research activity and employment history, Visiting,  Projects, Grants, Editorial Activity, Editorial Board Membership, Reviewer, Teaching, Advising/Supervision, Ph.D. Juries, Memberships, Administrative Activities, Conferences)

Curriculum vitae in pdf format can be found here: CV  

Family name: Skokos

Name: Charalampos (Haris)

Date of birth: 12 Oct. 1968

Place of birth: Sydney, Australia

Marital status: Married, one son   

Professor of Applied Mathematics
Member of the Academy of Science of South Africa (ASSAf)

Member of the College of Fellows of the University of Cape Town

Email: haris.skokos_at_uct.ac.za and haris.skokos_at_gmail.com 

Google Scholar: https://scholar.google.com/citations?user=M0tkn-kAAAAJ

ORCID ID: 0000-0002-2276-8251
Scopus Author ID: 6701808047
Web of Science ResearcherID: G-3786-2012
 

Work address: 
    Department of Mathematics and Applied Mathematics

    Mathematics Building, Upper Campus

    University of Cape Town

    Rondebosch, 7701

    South Africa
    Tel.: +27 021 650 5074
 

Research interests

• Nonlinear dynamical systems - Chaotic dynamics - Complex systems

• Hamiltonian systems

• Numerical methods for distinguishing between regular and chaotic behavior - Chaos indicators

• Symplectic integrators

• Nonlinear lattices - Disordered systems

• Granular media

• Graphene and DNA models

• Galactic dynamics - Dynamics of barred galaxies

• Numerical methods for locating periodic orbits - Stability and bifurcations of periodic orbits

• Beam dynamics in particle accelerators

• Celestial mechanics - Three body problem

• Normal forms - Formal integrals

• Discrete breathers - Solitons

• Ordinary and partial non-linear differential equations

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Education

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Employment

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Visiting

Participation in research projects

1. Chaos and natural transport via orbital resonances in low-Earth orbits 
   Principal Investigator National Research Foundation (NRF) of South Africa, NRF Grant 2025: SA/Wallonia-Brussel Federation Science and technology Research Collaboration, 2025 (Grant Number: WABR240401211578), Jan. 2025 – Dec. 2026.
   Subject: Theoretical and numerical investigation of the stability and chaoticity of motions of resident space objects (RSOs) in detailed dynamical models of the near-Earth space.

2. Chaotic behavior of graphene models 
   Principal Investigator (with G. Kalosakas), European Union (EU), Erasmus+ programme: Higher Education Student and Staff Mobility, Bilateral collaborative project between the University of Patras, Greece and the University of Cape Town, South Africa, Jan. 2024 – June 2025.
   Subject: Numerical investigation of chaos in Hamiltonian models of graphene.

3. Chaos in plasma physics models 
   Principal Investigator (with Y. Kominis), European Union (EU), Erasmus+ programme: Higher Education Student and Staff Mobility, Bilateral collaborative project between National Technical University of Athens, Greece and the University of Cape Town, South Africa, June 2020 – July 2023.
   Subject: Numerical investigation of chaos in plasma physics models.

4. Chaotic behavior of DNA models 
   Principal Investigator (with G. Kalosakas), European Union (EU), Erasmus+ programme: Higher Education Student and Staff Mobility, Bilateral collaborative project between the University of Patras, Greece and the University of Cape Town, South Africa, Jan. 2020 – May 2021.
   Subject: Numerical investigation of chaos in Hamiltonian models of DNA.

5. Chaos in plasma physics models 
   Principal Investigator (with Y. Kominis), European Union (EU), Erasmus+ programme: Higher Education Student and Staff Mobility, Bilateral collaborative project between National Technical University of Athens, Greece and the University of Cape Town, South Africa, June 2019 – July 2022.
   Subject: Numerical investigation of chaos in plasma physics models.

6. Chaos in plasma physics models 
   Principal Investigator (with Y. Kominis), European Union (EU), Erasmus+ programme: Higher Education Student and Staff Mobility, Bilateral collaborative project between National Technical University of Athens, Greece and the University of Cape Town, South Africa, June 2018 – July 2021.
   Subject: Numerical investigation of chaos in plasma physics models.

7. Numerical investigation of the impact of complex instability to the phase space structure of dynamical systems with emphasis to barred galaxy models 
   Principal Investigator, International Collaborative Research Project Award, Research Office of the University of Cape Town, Feb. 2017 – Jan. 2018 
   Subject: Numerical study of the evolution of phase space structures around complex unstable periodic orbits, in order to understand the mechanisms that introduce chaos in these regions. Investigation of the morphological features of the studied orbits and their importance for the orbital behavior of barred galaxy models.

8. Chaotic behavior of DNA models 
   Principal Investigator (with G. Kalosakas), European Union (EU), Erasmus+ programme: Higher Education Student and Staff Mobility, Bilateral collaborative project between the University of Patras, Greece and the University of Cape Town, South Africa, Jan. 2017 – May 2018.
   Subject: Numerical investigation of chaos in Hamiltonian models of DNA.

9. Chaos in disordered nonlinear lattices 
   Principal Investigator, National Research Foundation (NRF) of South Africa, University of Cape Town, Jan. 2016 – Dec. 2018 
   Subject: Investigation of the mechanisms of chaos in various models of disordered nonlinear lattices in one and two dimensions.

10. Chaotic energy transport in disordered nonlinear lattices  
    Principal Investigator, Research Office of the University of Cape Town, Oct. 2014 – Sept. 2016 
    Subject: Study of the characteristics of the chaotic wave packet spreading in disordered variants of two typical one-dimensional Hamiltonian lattice models, namely the Klein-Gordon (KG) oscillator chain and the discrete nonlinear Schrödinger equation (DNLS).

11. Mathematical modeling of complex systems with applications to biomedicine, physics and the technology of materials (MACOMSYS) 
    Aristotle University of Thessaloniki, Jan. 2012 – Dec. 2015
    Subject: Study of the chaotic behavior of multi-dimensional Hamiltonian systems with emphasis to the problem of energy transport in nonlinear lattices.

12. Chaotic energy spreading in disordered nonlinear lattices  
    Principal Investigator, Research Committee of the Aristotle University of Thessaloniki (Prog. No 89317), Feb. 2013 – Jan. 2014
    Subject: Study of the chaotic nature of energy spreading in disordered nonlinear lattices.

13. Critical phenomena and collective behaviour of multi-particle complex systems (Complex Matter)  
    University of Patras, Jan. 2011 – Dec. 2012
    Subject: Development of numerical techniques for the integration of differential equations, the distinction between order and chaos, as well as the control of chaotic behavior, and applications to multi-dimensional systems.

14. Beam Stability in Modern Light Sources via Frequency Map Analysis   
    Observatory of Paris, Feb. 2006 – Jan. 2008
    Subject: Application of Frequency Map Analysis for understanding the beam stability limitations in modern light sources.

15. Non-linear dynamics and complex systems: Theory and applications to physical and biomedical sciences    
    Department of Mathematics, University of Patras, Apr. 2005 – Dec. 2006
    Subject: Statistical properties of non-linear dynamical systems. Computation of the size of chaotic regions in the phase space of Hamiltonian systems by the Smaller Alignment Index (SALI) method. Study of the complex behavior of coupled non-linear oscillators.

16. Orbital structure of 3 dimensional N-body models of barred galaxies  
    Principal Investigator, Empeirikeion Foundation, Aug. 2004 – Jan. 2006 
    Subject: Study of the periodic orbits in analytic potentials of N-body simulations of barred galaxies. Comparison of the morphological features of the simulations to the structures observed in real galaxies.

17. Qualitative and quantitative analysis of chaotic regions of three-dimensional galactic potentials  
    Academy of Athens, Jan. 2005 – Dec. 2005
    Subject: Study of the phase space’s structure in the neighborhood of periodic orbits in 3D galactic potentials by the Smaller Alignment Index (SALI) method.

18. Dynamics and fractal structures in discrete dynamical systems   
    Empeirikeion Foundation, Aug. 2004 – Sept. 2005  
    Subject: Study of the dynamics and diffusion properties of non-periodic orbits in discrete dynamical systems, which are influenced by the presence of a fractal set of periodic orbits in the phase space.  

19. Study of the orbital structure of barred galaxies in N-body simulations
    Academy of Athens, Jan. 2002 - Dec. 2004
    Subject: Study of periodic orbits in potentials derived by N-body simulations.

20. Chaotic dynamics and statistical behavior of dynamical systems
    Department of Mathematics, University of Patras, Jan. 2002 - Dec. 2003
    Subject: Dynamical and statistical study of ordered and chaotic behavior of mappings and Hamiltonian dynamical systems.

21. Chaos in three-dimensional N-body models of barred galaxies. Specialized software and new technologies 
    Greek State Scholarship's Foundation, Dec. 2002 - Nov. 2003
    Subject: Study of the chaotic behavior in potentials of N-body systems, derived by using different algorithms and hardware (GRAPEs and common computers).  

22. Vertical structure in barred galaxies  
    Centre National de la Recherche Scientifique (CNRS) France, July 2000 - Feb. 2003
    Subject:  Orbital structure of analytic potentials and N-body simulations of barred galaxies 

23. Theoretical study of galaxies
    E.U., Greek Ministry of Industry Research and Technology and Academy of Athens, Jan. 1999 - Dec. 2001
    Subject: Numerical methods for detecting the chaotic behavior of orbits in dynamical systems with n≥3 degrees of freedom. Study of periodic orbits in 3D Ferrers bar potentials which are believed to approximate the dynamics of real barred galaxies. Comparison of the morphological features of the periodic orbits to the observed structures in real galaxies.

24. National program of controlled thermonuclear fusion
    E.U., Contract ERB5005CT990100, July 1999 - Dec. 2000
    Subject: Study of the different stability types of periodic orbits of high dimensional autonomous Hamiltonian systems.

25. YouRA: Young researchers in action
    E.U., Sept. 1999 - Feb. 2000 
    Subject: Implementation of Open Distance Learning in Didactics of Physics.

26. Gravitational collapse and structure of the phase space
    Greek Ministry of Industry Research and Technology, March 1996 - March 1997
    Subject: Theoretical and numerical study of the structures in the phase space of dynamical systems with three degrees of freedom and 4D maps.

27. Human Capital and Mobility Program EPB4050PL930312
    E.E.C., 1996
    Subject: Study of the features of non-periodic orbits of 4D maps composed of two coupled 2D maps

28.  Human Capital and Mobility Program ERBCHRXCT930330 
    E.E.C., 1995
    Subject: Study of the bifurcations of periodic orbits in a class of Hénon-like 2D maps, which are simple models of a particle accelerator, having same linear parts but different non-linear behavior.

29. Classical and quantum study of dynamical systems of three degrees of freedom
    Greek Ministry of Industry Research and Technology, May 1993 - Feb. 1994
    Subject: Study of the irregular periodic orbits in a chemical three body problem, the interaction of two atoms of hydrogen and one atom of fluorine.

30. ERASMUS
    University of Milan (Italy), Visiting postgraduate student, Oct. 1992 - Dec. 1992
    Subject: Theoretical and numerical study of the effective stability in the restricted problem of three bodies. Application to the Trojan asteroids

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Grants, Fellowships, Proposals, Awards

1. National Research Foundation (South Africa), Principal Investigator, NRF Grant 2025: SA/Wallonia-Brussel Federation Science and technology Research Collaboration, 2025, 500,000 ZAR (Grant Number: WABR240401211578), Jan. 2025 – Dec. 2026.

2. Wilhelm and Else Heraeus Foundation (Germany), Oct. 2024: funding (90,000 EUR) for the organization of the workshop "Nonlinear Dynamics and Anomalous Transport in Low Dimension" in the framework of the foundation's Binatioal Seminars Series ("South African-German Wilhelm and Else Heraeus Seminar"), Cape Town, South Africa, 2 - 6 Feb. 2026.

3. Elected Member of the Academy of Science of South Africa (ASSAf) (Sept. 2024 – present).

4. Elected Fellow of the University of Cape Town (South Africa) by the university’s College of Fellows in recognition of my research activity (Sept. 2024 – present).

5. University of Cape Town (South Africa), Science Faculty Block Grant, 13,676 ZAR, July 2024.

6. University of Cape Town (South Africa), Enabling Grant Seeker Excellence Award, 20,000 ZAR, July 2024.

7. University of Cape Town (South Africa), University Research Committee Short Research Visit Grant, 30,000 ZAR, June 2024. Visit at the Khalifa University, Abu Dhabi Campus (United Arab Emirates) to collaborate with Prof. H. Susanto.

8. University of Cape Town (South Africa), Science Faculty, Deputy Dean Research Allowance, 71,506 ZAR, March 2024.

9. European Union (EU), Principal Investigator (with G. Kalosakas), Erasmus+ programme, Bilateral collaborative project between the University of Patras, Greece and the University of Cape Town, South Africa, 16,100 EUR, Jan. 2024 – June 2025.

10. Max Planck Institute for the Physics of Complex Systems (Germany), Conference Travel Grant, 1,400 EUR. Participation in the Scientific Workshop: 30 years MPI-PKS (Dresden, Germany, 6 – 9 Sept. 2023).

11. University of Cape Town (South Africa), Science Faculty Block Grant, 11,798 ZAR, Aug. 2023.

12. University of Cape Town (South Africa), University Research Committee Conference Travel Grant, 31,664.64 ZAR, May 2023. Invited participation in the International Conference on Statistical Physics 2023, SigmaPhi 2023 (Chania, Crete, Greece, 2023).

13. Isaac Newton Institute for Mathematical Sciences, Cambridge (UK), invited participant to the programme "Mathematical theory and applications of multiple wave scattering", ≈ 1,300 GBP, May 20 – June 3, 2023.

14. University of Cape Town (South Africa), Science Faculty, Deputy Dean Research Allowance, 68,101 ZAR, May 2023.

15. Laboratoire d'Acoustique de l'Université du Maine (France), invited visitor grant, 2,898.27 EUR, Nov. 5 – Nov. 19, 2022.

16. University of Cape Town (South Africa), Science Faculty, Deputy Dean Research Allowance, 66,150 ZAR, Nov. 2022.

17. Institute of Mathematical Sciences (ICMAT), Spanish National Research council, Madrid (Spain), invited visitor grant, 1,287.70 EUR, Oct. 22 – Oct. 28, 2022.

18. University of Cape Town (South Africa), Science Faculty Block Grant, 10,238 ZAR, July 2022.

19. University of Cape Town (South Africa), Merit Award 2022-2023 'in recognition of continued strong performance in research', Jan. 2022 – Dec. 2023.

20. University of Cape Town (South Africa), Science Faculty Block Grant, 8,645 ZAR, Nov. 2021.

21. Awarded a rating of B1 (internationally acclaimed researcher) from the National Research Foundation (South Africa), with Incentive Funding for Rated Researchers 30,000 ZAR and a top-up of 50,000 ZAR from the University of Cape Town, Jan. 2021 – Dec. 2026. (Note: The NRF rating system is a tool for benchmarking the quality of researchers in South Africa against the best in the world. NRF ratings last for 6 years and are allocated based on a researcher’s recent research outputs and impact as perceived by international peer reviewers.)

22. University of Cape Town (South Africa), Science Faculty Block Grant, 7,129 ZAR, Nov. 2020.

23. University of Cape Town (South Africa), Science Faculty, Head of Department Research Allowance, 25,500 ZAR, July 2020.

24. European Union (EU), Principal Investigator (with Y. Kominis), Erasmus+ programme, Bilateral collaborative project between the National Technical University of Athens, Greece and the University of Cape Town, South Africa, 23,910 EUR, June 2020 – July 2023.

25. University of Cape Town (South Africa), Study Travel Grant, 7,500 ZAR, June 2020.

26. European Union (EU), Principal Investigator (with G. Kalosakas), Erasmus+ programme, Bilateral collaborative project between the University of Patras, Greece and the University of Cape Town, South Africa, ≈ 2,000 EUR, Jan. 2020 – May 2021.

27. University of Cape Town (South Africa), University Research Committee Short Research Visit Grant, 25,000 ZAR, October 2019. Visit at the Technical University Dresden (Germany) to collaborate with Prof. A. Bäcker and Dr. E. Gerlach (Dec. 2019 - Jan. 2020).

28. University of Cape Town (South Africa), Science Faculty Block Grant, 4,934 ZAR, Nov. 2019.

29. Laboratoire d'Acoustique de l'Université du Maine, Le Mans (France), Invited Teaching Professor, 2,730 EUR,  Oct. 21 – Nov. 16, 2019.

30. University of Cape Town (South Africa), Enabling Grant Seeker Excellence Award, 100,000 ZAR, July 2019.

31. European Union (EU), Principal Investigator (with Y. Kominis), Erasmus+ programme, Bilateral collaborative project between the National Technical University of Athens, Greece and the University of Cape Town, South Africa, 20,510 EUR, June 2019 – July 2022.

32. University of Cape Town (South Africa), University Research Committee Conference Travel Grant, 20,130 ZAR, May 2019. Participation in the 6th PhD School/Conference on Mathematical Modeling of Complex Systems (Pescara, Italy, 2019).

33. University of Cape Town (South Africa), Science Faculty Block Grant, 8,420 ZAR, Nov. 2018.

34. Max Planck Institute for the Physics of Complex Systems (Germany), guest scientist grant (UCT sabbatical leave), 14,430 EUR, Aug. 3, 2018 – Jan. 3, 2019.

35. European Union (EU), Principal Investigator (with Y. Kominis), Erasmus+ programme, Bilateral collaborative project between the National Technical University of Athens, Greece and the University of Cape Town, South Africa, 14,430 EUR, June 2018 – July 2021.

36. University of Cape Town (South Africa), Study Travel Grant, 7,500 ZAR, Jan. 2018.

37. University of Cape Town (South Africa), Science Faculty Block Grant, 10,130 ZAR, Dec. 2017.

38. Laboratoire d'Acoustique de l'Université du Maine, Le Mans (France), Invited Teaching Professor, 4,000 EUR,  Sept. 17 – Sept. 29, 2017 & Jan. 21 – Feb. 3, 2018.

39. Center for Theoretical Physics of Complex Systems, Institute for Basic Science (South Korea), guest scientist grant, 1,765,500 KRW, Aug. 15 – Aug. 23, 2017.

40. University of Cape Town (South Africa), University Research Committee Conference Travel Grant, 16,455 ZAR, May 2017. Participation in the International Scientific Workshop "Recent Advances in Hamiltonian and Nonholonomic Dynamics" (Moscow, Russia, 2017).

41. University of Cape Town (South Africa), Principal Investigator, International Collaborative Research Project Award, 50,000 ZAR, Feb. 2017 – Jan. 2018.

42. European Union (EU), Principal Investigator (with G. Kalosakas), Erasmus+ programme, Bilateral collaborative project between the University of Patras, Greece and the University of Cape Town, South Africa, ≈ 6,000 EUR, Jan. 2017 – May 2018.

43. University of Cape Town (South Africa), Science Faculty Block Grant, 3,745 ZAR, Aug. 2016.

44. Lohrmann Observatory, Technical University Dresden (Germany), visitor grant, 389 EUR, July 4 – July 9, 2016.

45. National Research Foundation (South Africa), Principal Investigator, Competitive Programme for Rated Researchers (CPRR) 2016, 630,000 ZAR, Jan. 2016 – Dec. 2018.

46. University of Cape Town (South Africa), Science Faculty Block Grant, 4,547 ZAR, Aug. 2015.

47. Lohrmann Observatory, Technical University Dresden (Germany), visitor grant, 610 EUR, Nov. 21 – Nov. 27, 2015.

48. Laboratoire d'Acoustique de l'Université du Maine (France), visitor grant, 409.86 EUR, Nov. 16 – Nov. 21, 2015.

49. Laboratoire d'Acoustique de l'Université du Maine (France), visitor grant, 650.43 EUR, June 22 – June 28, 2015.

50. Awarded a rating of B1 (internationally acclaimed researcher) from the National Research Foundation (South Africa), with Incentive Funding for Rated Researchers, 480,000 ZAR, Jan. 2015 – Dec. 2020. [Note: The NRF rating system is a tool for benchmarking the quality of researchers in South Africa against the best in the world. NRF ratings last for 6 years and are allocated based on a researcher’s recent research outputs and impact as perceived by international peer reviewers (https://www.nrf.ac.za/rating)]

51. Max Planck Institute for the Physics of Complex Systems (Germany), guest scientist grant, 3,150 EUR, Dec. 13, 2014 – Jan. 18, 2015.

52. University of Cape Town (South Africa), Principal Investigator, Research Development Grant, 30,862 ZAR, Oct. 2014 – Sept. 2016.

53. University of Cape Town (South Africa), New Academic Practitioner Programme (NAPP) Start-up Teaching Grant, 5,000 ZAR, June 2014.

54. University of Cape Town (South Africa), Start-up Grant, 20,000 ZAR, Oct. 2013.

55. Max Planck Institute for the Physics of Complex Systems (Germany), funding (≈ 40,000 EUR) for the organization of the workshop "Methods of Chaos Detection and Predictability: Theory and Applications" (MCDPTA13), Dresden, Germany, 17 - 21 June 2013.

56. Max Planck Institute for the Physics of Complex Systems (Germany), guest scientist grant, 5,291 EUR, May 30 – July 31, 2013.

57. Research Committee of the Aristotle University of Thessaloniki (Greece), Principal Investigator of a research project, 4,000 EUR, Feb. 2013 – Jan. 2014.

58. Max Planck Institute for the Physics of Complex Systems (Germany), guest scientist grant, 2,760 EUR, Jan. 20 – Feb. 20, 2013.

59. Max Planck Institute for the Physics of Complex Systems (Germany), guest scientist grant, 3,658 EUR, July 16 – Aug. 31, 2012.

60. Max Planck Institute for the Physics of Complex Systems (Germany), guest scientist grant, 2,670 EUR, Jan. 13 – Feb. 12, 2012.

61. 'Maître de conférences' Qualification from the French state permitting job applications to French Universities in the field of 'Astronomy and Astrophysics' (section 34). Qualification number: 11234219123, 27 Jan. 2011 - 31 Dec. 2015.

62. Observatoire de Paris (France), Marie Curie Intra-European Fellowship (EIF), ≈ 202,000 EUR, Feb. 2006 - Jan. 2008.

63. Principal Investigator of an Empeirikeion Foundation Grant (Greece),  ≈ 2,000 EUR, Aug. 2004 - Jan. 2006.

64. State Scholarships Foundation of Greece, postdoc fellowship, ≈ 4,000 EUR, Dec. 2002 - Nov. 2003.

65. University of Patras (Greece), Department of Mathematics, 'Karatheodoris' postdoc fellowship,  ≈ 32,000 €,  Jan. 2002 - Dec. 2003. 

66. National Observatory of Athens (Greece), Institute of Astronomy, fellowship, Dec. 1993 - Dec. 1994.

67. ERASMUS grant, University of Milan (Italy), Visiting postgraduate student, Oct. 1992 - Dec. 1992.

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Editorial board memberships

1. International Journal of Bifurcation and Chaos (World Scientific), Editor-in-Chief: Chen G.R. & Chua L.O..
   Associate Editor: 1/1/2012 - present.
   Guest  Associate Editor: 1/1/2011 - 31/12/2011

2. Punjab University Journal of Mathematics (Department of Mathematics, Punjab University) 
   Associate Editor: 1/2018 - present.

3. Russian Journal of Nonlinear Dynamics (Izhevsk Institute of Computer Science, Izhevsk, Russia) 
   Member of the Editorial Board: 12/2018 - present.

4. Journal of Applied Nonlinear Dynamics (L&H Scientific Publishing). 
   Member of the Editorial Board: 1/2020 - present.

5. Chaos Theory and Applications (Sakarya University of Applied Sciences) 
   Member of the Editorial Board: 5/2020 - present.

6. International Journal of Modern Physics B (World Scientific).
   Member of the Editorial Board: 5/2023 - present.

7. Modern Physics Letters B (World Scientific).
   Member of the Editorial Board: 5/2023 - present.

8. Discrete Dynamics in Nature and Society (Hindawi Publishing Corporation).
   Member of the Editorial Board: 12/2014 - 12/2022.

9. Frontiers in Applied Mathematics and Statistics (Frontiers).
   Review Editor in Dynamical Systems: 12/2015 - 10/2021. 

10. Heliyon (Elsevier)
    Member of the Physics Advisory Board: 5/2015 - 12/2018.

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Editorial activity

1. Jan. 2017 – Dec. 2019: member of the editorial team of the Newsletter of the Department of Mathematics and Applied Mathematics of the University of Cape Town, South Africa.

2. Co – editor (with Gottwald G. and Laskar J.) of the ‘Lecture Notes in Physics’ volume ‘Chaos Detection and Predictability’.
   2016, Lect. Notes Phys., Vol. 915.

3. Co – editor (with Gottwald G.) of the Focus Issue: ‘Chaos Detection Methods And Predictability’ of the journal ‘Chaos: An Interdisciplinary Journal of Nonlinear Science’, where the proceeding of the International Workshop "Methods of Chaos Detection and Predictability: Theory and Applications (MCDPTA13)" (Dresden, Germany, June 2013) were published.
   2014, Chaos, Volume 21, Issue 2.

4. Co – editor (with  Nicolis G.,  Robnik M. and  Rothos V.) of two special issues of the International Journal of Bifurcation and Chaos, where the proceedings of the International Conference "Nonlinear Dynamics and Complexity: Theory, Methods and Applications" (Thessaloniki, Greece, July 2010) were published.
   Issue 1: 2011, Int. J. Bifurc. Chaos, Volume 21, Issue 8.
   Issue 2: 2012, Int. J. Bifurc. Chaos, Volume 22, Issue 9.

5. November 2012 – Sept. 2013: co-editor of "Fainomenon", the magazine of the Physics Department of the Aristotle University of Thessaloniki, Greece.
   2013, Fainomenon, Issue (D)18,
   2013, Fainomenon, Issue (D)19.

6. 1991 – 1992: member of the editorial team of "Fysikos Kosmos" the magazine published by the Greek Physicists Society.

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Reviewer

for journals

• Acta Physica Polonica A  

• Advances in Space Research    

• AIMS Mathematics   

• Applied Numerical Mathematics  

• Astronomical Journal    

• Astronomy & Astrophysics     

• Canadian Journal of Physics  

• Celestial Mechanics and Dynamical Astronomy   

• Chaos     

• Chaos, Solitons & Fractals 

• Chinese Physics B  

• Communications in Nonlinear Science and Numerical Simulations  

• Composites Part B: Engineering   

• Differential Equations and Dynamical Systems 

• Discrete and Continuous Dynamical System Series-B 

• Entropy 

• European Physical Journal C 

• European Physical Journal - Special Topics  

• Europhysics Letters 

• International Journal of Bifurcation and Chaos 

• International Journal of Computer Mathematics 

• International Journal of Modern Physics D   

• International Journal of Non-Linear Mechanics  

• International Journal of Nonlinear Sciences and Numerical Simulation   

• Journal of Algorithms and Computational Technology 

• Journal of Applied Mathematics and Computing 

• Journal of Applied Mechanics 

• Journal of Computational Physics

• Journal of Computational and Applied Mathematics 

• Journal of Physical and Natural Sciences  

• Journal of Physics A: Mathematical and General   

• Journal of The Franklin Institute   

• Mathematics and Computers in Simulation 

• Mathematics in Engineering  

• Meccanica  

• Modern Physics Letters A  

• Modern Physics Letters B  

• Monthly Notices of the Royal Astronomical Society 

• New Journal of Physics  

• Nonlinear Dynamics 

• Physica A  

• Physica D   

• Physical Review A 

• Physical Review E

• Physical Review Letters 

• Physical Review Research    

• Physica Scripta   

• Physics Letters A      

• Physics of Plasmas  

• Proceedings of the Royal Society A  

• Punjab University Journal of Mathematics  

• Superlattices and Microstructures  

• The Open Applied Informatics Journal  

for research organizations

• Expert/evaluator for the Fund for Scientific Research of Belgium (F.R.S. - FNRS Fonds de la Recherche Scientifique). 
  ► 2010: reviewer of 2 postdoctoral research funding proposals.
  ► 2012: reviewer of 2 postdoctoral research funding proposals.
  ► 2013: reviewer of 1 postdoctoral research funding proposal.
  ► 2014: reviewer of 1 postdoctoral research funding proposal.
  ► 2017: reviewer of 1 postdoctoral research funding proposal. 
  ► 2019: reviewer of 1 bilateral (Belgium-China) research funding proposal.
  ► 2020: reviewer of 1 research associate funding proposal.
  ► 2022: reviewer of 1 research associate funding proposal.

• Expert/evaluator for the Research Promotion Foundation of Cyprus.  
  ► 2013: evaluator of 1 postdoctoral research proposal.

• Expert/evaluator for the The Czech Academy of Sciences (Czech Republic). 
  ► 2015: reviewer of 25 research publications.
  ► 2020: reviewer of 15 research publications.

• Expert/evaluator for the National Research Agency of France (ANR - Agence Nationale de la Recherche).  
  ► 2011: reviewer of 1 research grant proposal.
  ► 2021: reviewer of 1 collaborative research project (PRC)

• Expert/evaluator for the State Scholarships Foundation of Greece.  
  ► 2012: reviewer of 3 fellowship proposals (2 MSc, 1 PhD).
  ► 2019: reviewer of 7 postdoctoral research funding proposals.

• Expert/evaluator for the Greek Ministry of Economics and Development, ΕΣΠΑ 2014-2020 program (Greece). 
  ► 2019: reviewer of 7 research grant proposals.

• Expert/evaluator for the Israel Science Foundation.  
  ► 2020: reviewer of 1 personal research grant proposal.

• Expert/evaluator for the National Research Foundation (NRF) of South Africa   
  ► 2016: Member of the ‘Mathematical Sciences and Physics’ review panel: reviewing applications of the Competitive Programme for Rated Researcher (CPRR), Competitive Support for Unrated Researchers (CSUR) and Research Development Grants for Y-Rated Researchers funding instruments.
  ► 2017: reviewer of 6 research grant proposals (2 CPRR and 4 CSUR projects).
  ► 2017: reviewer of 1 rating application.
  ► 2018: reviewer of 1 rating application.
  ► 2019: Member of the ‘Physics and Astronomy’ review panel: reviewing applications of the Competitive Programme for Rated Researcher (CPRR), Competitive Support for Unrated Researchers (CSUR) and Research Development Grants for Y-Rated Researchers funding instruments.
  ► 2019: Member of the ‘Physics, Astronomy, Mathematics and ICT, Thuthuka Research Grants’ review panel: reviewing ‘PhD track’, ‘Post PhD track’ and ‘NRF rating track’ funding applications.
  ► 2020: Member of the standing panel for 'Physics, Astronomy, Mathematics and ICT' for the period 2020 – 2022/2023.
  ► 2020: Member of the ‘COVID-19 Africa Rapid Grant Fund’ review panel: reviewing and evaluating research proposals associated with the COVID-19 pandemic.
  ► 2020 Member of the ‘Physics, Astronomy, Mathematics and ICT’ review panel: reviewing applications of the Competitive Programme for Rated Researcher (CPRR), Competitive Support for Unrated Researchers (CSUR) and Research Development Grants for Y-Rated Researchers funding instruments.
  ► 2021 Member of the ‘Physics, Astronomy, Mathematics and ICT’ review panel: reviewing applications of the Competitive Programme for Rated Researcher (CPRR), Competitive Support for Unrated Researchers (CSUR) and Research Development Grants for Y-Rated Researchers funding instruments.
  ► 2021: reviewer of 1 rating application.
  ► 2022 Member of the ‘Physics, Astronomy, Mathematics and ICT’ review panel: reviewing applications of the Competitive Programme for Rated Researcher (CPRR), Competitive Support for Unrated Researchers (CSUR) and Research Development Grants for Y-Rated Researchers funding instruments.
  ► 2022: reviewer of 1 rating application.
  ► 2024: Member of the Mathematical Sciences (Applied Maths) Specialist Committee of the NRF Rating Panel (June 2024 – Feb. 2027).

• Research Center for Astronomy and Applied Mathematics, Academy of Athens, Greece: Regular member of a Researcher B Position Electoral Committee (December 2024 – March 2025). Person appointed: Dr. Matthaios Katsanikas.

• Physics Department, Aristotle University of Thessaloniki, Greece: Regular member of a Full Professor Position Electoral Committee (July 2024 – Oct. 2024). Person appointed: Prof. Christos Efthymiopoulos.

• University of Namibia, Namibia: Evaluator of an academic staff promotion application (March - April 2024).

• Physics Department, Aristotle University of Thessaloniki, Greece: Regular member of an Associate Professor Position Electoral Committee (Nov. 2017 – Apr. 2018). Person appointed: Prof. Efthymia Meletlidou.

• Department of Applied Mathematical and Physical Sciences, National Technical University of Athens, Greece: substitute member of an Assistant Professor Position Electoral Committee (Oct. 2019 – Feb. 2020). Person appointed: Dr. Yannis Kominis.

• Department of Applied Mathematical and Physical Sciences, National Technical University of Athens, Greece: substitute member of an Associate Professor Position Electoral Committee (Jan. 2021 – Aug. 2021). Person appointed: Prof. Yannis Kominis.

for web sites

• Mathematical Reviews   

• Physics Comments server   

of M.Sc. Theses

• Otlaadisa P.: 2022, "Generation of dissipative and non-dissipative matter-wave soliton trains in spin-orbit coupled Bose-Einstein condensates", M.Sc. Thesis, Botswana International University of Science and Technology, Palapye, Botswana (external reviewer).

of Ph.D. Theses

• Gómez M.R.: 2006, "The role of invariant manifolds in the formation of spiral arms and rings in barred galaxies", Ph.D. Thesis, Universitat Politècnica de Catalunya, Spain (external reviewer).

• Manos A. : 2008, "A study of Hamiltonian dynamics with applications to models of barred galaxies", Ph.D. Thesis, Université de Provence, France & University of Patras, Greece (external reviewer).

• Pal A.K.: 2016, "Study of the Sun-Earth-Moon system with Poynting-Robertson drag and solar wind drag", Ph.D. Thesis, Indian School of Mines, Dhanbad, India (external reviewer).

• Daza A.: 2016, "Unpredictability and fractality in nonlinear dynamics", Ph.D. Thesis, Universidad Rey Juan Carlos, Madrid, Spain (external reviewer).

• Mia R.: 2017, "Stability and orbital dynamics in exoplanetary systems", Ph.D. Thesis, Indian School of Mines, Dhanbad, India (external reviewer).

• Srivastava V.K.: 2017, "Lagrangian point halo orbits and transfer trajectories in photogravitational system", Ph.D. Thesis, Indian School of Mines, Dhanbad, India (external reviewer).

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Teaching experience

• University of Cape Town (South Africa), Sept. 2013 – present.
  Undergraduate Courses:
  ► Mathematics 1A for Engineers (MAM1020F). Content: Differential and Integral Calculus of One Variable Real Functions. Sequences and Series.
  Fall 2016, approximately 700 students, 60 lecture and 24 tutorial hours, course convenor.
  Fall 2017, approximately 650 students, 31 lecture and 28 tutorial hours, course convenor.
  Fall 2018, approximately 620 students, 60 lecture and 24 tutorial hours, course convenor.
  Fall 2021, approximately 650 students, workload: 30 lecture and 14 tutorial hours (online teaching).
  Fall 2022, approximately 650 students, workload: 30 lecture and 12 tutorial hours.
  Fall 2023, approximately 600 students, workload: 30 lecture and 12 tutorial hours.
  ► Mathematics 1A for Engineers (MAM1020S), course convenor. Content: Differential and Integral Calculus of One Variable Real Functions. Sequences and Series.
  Spring 2014, approximately 25 students, 30 lecture and 12 tutorial hours.
  Spring 2015, approximately 35 students, 30 lecture and 12 tutorial hours.
  ► Methods of Functions of Complex Variables (MAM3040W 3CV). Content: Complex Calculus.
  Fall 2014, approximately 20 students, 30 lecture and 12 tutorial hours.
  Fall 2015, approximately 20 students, 30 lecture and 12 tutorial hours.
  Fall 2016, approximately 25 students, 30 lecture and 12 tutorial hours.
  Fall 2017, approximately 20 students, 32 lecture and 14 tutorial hours.
  Fall 2019, approximately 25 students, 30 lecture and 10 tutorial hours.
  ► Applied Mathematics, Third Year Project (MAM3055Z).
  2014, 1 student. Topic: ‘Chaos in Hamiltonian systems’.
  2015, 1 student. Topic: ‘Numerical symplectic integration techniques for multi-dimensional Hamiltonian systems’.
  2019, 2 students. Topics: ‘Low dimensional chaos’ and ‘Symplectic integrators’.
  2021, 2 students. Topics: ‘Nonlinear dynamics of a Hamiltonian prototypical dynamical system’ and ‘Numerical investigation of the efficacy of high order symplectic integrators’.
  2023, 1 student. Topic: ‘Numerical investigation of the efficacy of high order symplectic integrators’.
  2024, 1 student. Topic: ‘Using symplectic integrators to investigate the dynamical behavior of the Hénon–Heiles system’.
  ► Computing for Chemical Engineers (MAM3085F), course convenor. Content: Scientific Programming by utilizing the Scilab computing environment for solving chemical engineering problems, Elements of Numerical Analysis.
  Fall 2014, approximately 90 students, 15 lecture and 33 tutorial hours.
  Fall 2015, approximately 160 students, 24 lecture and 24 tutorial hours.
  Postgraduate Courses:
  ► Advanced Mathematical Methods 1 (MAM4001W). Content: Numerical investigation of chaos in nonlinear Hamiltonian systems.
  Fall 2019, 9 students, 30 lecture hours.  
  Fall 2020, 4 students, 30 lecture hours.
  Fall 2021, 9 students, 30 lecture hours (online teaching).
  Fall 2022, 8 students, 30 lecture hours (hybrid teaching: online and face-to-face activities).
  Fall 2023, 4 students, 30 lecture hours.
  Fall 2024, 3 students, 30 lecture hours.
  Fall 2025, 8 students, 30 lecture hours.
  ► Honors Reading Module (MAM4001W).
  Spring 2016, 1 student. Subject: 'Scientific computing with FORTRAN. Application to Hamiltonian dynamics'.
  Spring 2017, 1 student. Subject: 'Methods of chaos detection'.
  Spring 2025, 1 student. Subject: 'Hamiltonian formalism of the N-body problem'.

• South African Theory School (SATS), Aug. 2021 – Dec. 2021. 
  Postgraduate Courses:
  ► Nonlinear Hamiltonian Dynamics and Chaos (NHDC). Content: Numerical investigation of chaos in nonlinear Hamiltonian systems.
  Spring 2021, 2 students, 30 lecture hours.

• Aristotle University of Thessaloniki (Greece), July 2011 – Sept. 2013.
  Undergraduate Courses (Physics Department):
  ► General Mathematics I. Content: Differential and Integral Calculus of One Variable Real Functions. Sequences and Series. 
  Fall 2012, approximately 70 students, 50 lecture hours.
  ► Theoretical Mechanics I. Content: Newtonian Mechanics.
  Spring 2012, approximately 100 students, 50 lecture hours.
  Spring 2013, approximately 100 students, 50 lecture hours.
  ► Theoretical Mechanics II. Content: Lagrangian and Hamiltonian Mechanics.
  Fall 2011, approximately 100 students, 50 lecture hours.
  Fall 2012, approximately 100 students, 50 lecture hours.
  ► Calculus I. Content: Differential and Integral Calculus of One Variable Real Functions.
  Fall 2011, approximately 120 students, 40 lecture hours.
  Undergraduate Courses (Department of Mathematics):
  ► Mechanics of Continuous Media. Content: Introduction to tensor analysis. Deformation of elastic bodies. Ideal and Newtonian fluids.
  Spring 2012, approximately 10 students, 40 lecture hours.
  Spring 2013, approximately 15 students, 40 lecture hours (and Physics Department).
  Postgraduate Courses (Program of Postgraduate Studies in ‘Computational Physics’, Physics Department):  
  ► Simulation of chaotic systems. Content: Numerical methods for nonlinear dynamical systems. Symplectic integrators. Chaos detection techniques.
  Spring 2012, approximately 10 students, 40 lecture hours.
  Spring 2013, approximately 5 students, 40 lecture hours.

• Hellenic Open University (Greece), June 2000 - July 2005 and Oct. 2006 – July 2013. 
  Undergraduate Courses:
  ► Mathematics for Informatics I (annual course). Content: Linear Algebra, Single Variable Calculus, Introduction to Probability Theory, Introduction to Matlab and Mathematica (2006 – 2013, 7 academic years, approximately 30 students per annum).
  ► Classical Physics I (annual course). Content: Mechanics, Thermodynamics, Electromagnetism (2000 – 2005, 5 academic years, approximately 30 students per annum).

• Technological Educational Institute of Messolonghi (Greece), Sept. 2004 – Sept. 2005. 
  Undergraduate Courses:
  ► Econometrics (2 semesters, approximately 100 students and 25 lecture hours per semester). 
  ► C programming language (lab) (2 semesters, approximately 110 students and 160 lecture hours per semester). 

• "Hellenic Center of Information Technology" (Greece), a private Educational and Consulting Company specialized in Informatics, Management and Finance, Dec. 1998 - July 1999 and Sept. - Oct. 2003. 
  Courses:
  ► Windows 98.
  ► Microsoft Office 97.

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Student Advising, Supervision and Mentoring

Postdoctoral researchers

1. Ngapasare A.: Apr. 2021 – March 2024, "Quasi one-dimensional classical lattices: Flat bands and disorder", postdoctoral fellow, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

2. Hillebrand M.: Jan. 2021 – Dec. 2022, "Nonlinear dynamics of Hamiltonian systems: From DNA to galaxies", postdoctoral fellow, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

Ph.D. Theses

1. Du Plessis J.-J.: 2024 - present, "Investigating the chaotic dynamics of nonlinear lattices using symplectic integrators", Ph.D. Thesis, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

2. Erasmus S.: 2023 - present, "Chaotic dynamics of multidimensional Hamiltonian systems: from nanomaterials to topological discrete lattices", Ph.D. Thesis, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa (main supervisor, co-supervisors: G. Kalosakas and B. Many Manda).

3. Chrysovalantis Ch.: 2021 - present, "Nonlinear lattice differential equations", Ph.D. Thesis, Department of Mathematics, University of Thessaly, Greece (co-supervision with N. Karachalios and V. Achilleos).

4. Krypotos A.: 2021 - present, "Emergence of spatiotemporal patterns in continuous and discrete dynamical systems", Ph.D. Thesis, Department of Mathematics, University of Thessaly, Greece (co-supervision with N. Karachalios and G. Theocharis).

5. Georgiou P.D.: 2020 - present, "Study of networks of quantum dot vertical surface emitting lasers and applications", Ph.D. Thesis, Department of Materials Science, University of Patras, Greece (co-supervision with D. Alexandropoulos and Ch. Mesaritakis).

6. Moges H.T.: 2025, "Hamiltonian chaos: From galactic dynamics to plasma physics", Ph.D. Thesis, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

7. Senyange B.: 2021, "Chaotic behavior of disordered nonlinear lattices", Ph.D. Thesis, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

8. Many Manda B.: 2021, "Nonlinear dynamics and chaos in multidimensional disordered Hamiltonian systems", Ph.D. Thesis, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

9. Hillebrand M.: 2021, "Chaotic dynamics of polyatomic systems with an emphasis on DNA models", Ph.D. Thesis, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

M.Sc. Theses

1. Theron D.: 2024, "Application of the Lagrangian descriptors method to Hamiltonian systems with emphasis to models of barred galaxies", M.Sc. Thesis (with distinction, mark: 95%), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

2. Du Plessis J.-J.: 2024, "Covariant Lyapunov vectors: investigating the dynamics of multidimensional Hamiltonian systems with application to DNA models", M.Sc. Thesis (with distinction, mark: 95%), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa (main supervisor, co-supervisor: M. Hillebrand).

3. Cheong S.: 2023, "Chaotic behavior and energy polarization in flatband lattice models", M.Sc. Thesis (with distinction, mark: 88%), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa (main supervisor, co-supervisor: A. Ngapasare).

4. Zimper S.: 2023, "Investigating the phase space dynamics of conservative dynamical systems by the Lagrangian descriptors method", M.Sc. Thesis (with distinction, mark: 90%), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa (main supervisor, co-supervisor: A. Ngapasare).

5. Moges H.T.: 2020, "Investigating chaos by the Generalized Alignment Index (GALI) method", M.Sc. Thesis (with distinction), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

6. Ani C. J.: 2019, "Chaotic behavior of charged particles in electromagnetic fields", M.Sc. Thesis (with distinction), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

7. Ngapasare A.: 2017, "Dynamical behavior of graphene models", M.Sc. Thesis (with distinction), Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

8. Ani C. J.: 2017, "Chaotic behavior of Hamiltonian systems: Application to plasma physics", Structured M.Sc. Thesis, minor dissertation (with distinction), African Institute for Mathematical Sciences (AIMS), Muizenberg, South Africa.

9. Rajaobelina Iarilala E.D.: 2015, "Numerical Investigation of Chaos", Structured M.Sc. Thesis, minor dissertation (with distinction), African Institute for Mathematical Sciences (AIMS), Muizenberg, South Africa.

10. Yemata Mekondjou R. M.: 2015, "Numerical investigation of chaos by the Smaller (SALI) and the Generalized (GALI) Alignment Index methods", Structured M.Sc. Thesis, minor dissertation (with distinction), African Institute for Mathematical Sciences (AIMS), Muizenberg, South Africa.

11. Gkolias I.: 2013, "Chaos in 1-dimensional nonlinear disordered lattices", M.Sc. Thesis (with distinction), Physics Department, Aristotle University of Thessaloniki.

12. Manika D.: 2013, "Application of the Compound Matrix Theory for the computation of Lyapunov exponents of autonomous Hamiltonian systems", M.Sc. Thesis (with distinction), Physics Department, Aristotle University of Thessaloniki, Greece.

Honours Projects

1. Marais D.: 2025 - present, "Hamiltonian chaos in a PT-symmetric system", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa (co-supervision with I. Barashenkov).

2. Barbis C.: 2025 - present, "Numerical investigation of chaos in low dimensional dynamical systems", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

3. McMichael W.: 2021, "The Smaller Alignment Index (SALI): Theory and applications", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

4. Alturk A.: 2020, "Numerical investigation of the disordered discrete nonlinear Schrödinger equation (DDNLS)", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

5. Du Plessis J.-J.: 2019, "Chaotic diffusion in  disordered nonlinear lattices", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

6. Hillebrand M.: 2017, "Chaotic dynamics of DNA models", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

7. Schwellnus A.M.: 2016, "Chaotic behavior of a multi-dimensional Hamiltonian model of DNA", Honours project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

Undergraduate Projects

1. Higgo Moser F.: 2025 - present, "Investigating the phase space dynamics of Hamiltonian system by the origin-fate map", Internship project, International student from the Vrije Universiteit Amsterdam, Netherlands.

2. Albers R.: 2025 - present, "Symplectic integration techniques", Internship project, International student from the University of Twente, Netherlands.

3. Boeddinghaus M.: 2025 - present, "Numerical investigation of low dimensional chaos", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

4. Saloojee K.: 2025 - present, "Visualization of phase space structures by the Lagrangian descriptors method", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

5. Barbis C.: 2024, "Determining the preferred symplectic integrator to investigate the dynamical behavior of the Hénon–Heiles system", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

6. Greathead C.: 2023, "Numerical investigation of the efficacy of high order symplectic integrators", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

7. Modiba M.: 2021, "Nonlinear dynamics of a Hamiltonian prototypical dynamical system", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

8. Msani H.: 2021, "Numerical investigation of the Efficacy of high order symplectic integrators", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

9. Broodryk D.: 2019, "Symplectic integrators", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

10. Morton S.: 2019, "Low dimensional chaos", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

11. Schwellnus A.M.: 2015, "Numerical Symplectic Integration Techniques for Multi-Dimensional Hamiltonian Systems", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

12. Grunow W.: 2014, "Chaos in Hamiltonian systems", Third year project, Department of Mathematics and Applied Mathematics, University of Cape Town, South Africa.

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Member of Juries

for Ph.D. Theses

1. Ngapasare A.: 2020, "Waves in disordered and nonlinear mechanical structures", Ph.D. Thesis, Laboratoire d’Acoustique de l’Université du Mans, Le Mans, France, 17 December 2020.

2. Vetas K.: 2018, "Dynamics of nonlinear lattice systems", Ph.D. Thesis, Department of Mathematics, University of the Aegean, Karlovasi, Samos, Greece, 5 October 2018.

3. Sánchez-Martín P.: 2015, "Application of Dynamical System Methods to Galactic Dynamics: from Warps to Double Bars", Ph.D. Thesis, Departament de Matemàtica Aplicada I, Universitat Politècnica de Catalunya, Barcelona, Spain, 29 June 2015. President of the jury.

4. Papadopoulos N. : 2012, "Dynamical study of galaxies as realistic physical systems", Ph.D. Thesis, Section of Astrophysics, Astronomy and Mechanics, Physics Department, Aristotle University of Thessaloniki, Greece, 12 June 2012.

5. Karanis G.I. : 2012, "Simulations of star motion in galactic models and their connection to the inverse problem of dynamics ", Ph.D. Thesis, Section of Astrophysics, Astronomy and Mechanics, Physics Department, Aristotle University of Thessaloniki, Greece, 25 May 2012.

for M.Sc. Theses

1. Sotiriadis S. : 2013, "Symplectic integration of the planetary N-body problem on GPU platforms", M.Sc. Thesis, Physics Department, Aristotle University of Thessaloniki, Greece, 4 September 2013.

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Professional memberships

• Member of the Academy of Science of South Africa (ASSAf).

• Member of the College of Fellows of the University of Cape Town.

• Associate member of the National Institute for Theoretical and Computational Sciences (NITheCS), South Africa.

• Member of the Centre for Theoretical and Mathematical Physics (CTMP) of the University of Cape Town.

• Member of the Complex Systems and Application (COSA) group, Greece.

• Member of the International Astronomical Union (IAU)  

• Member of the Governing Council of the Greek Physicists Society: May 2004 – May 2006.  

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Administrative activities

• Department of Mathematics and Applied Mathematics (MAM) of the University of Cape Town (South Africa)
  ► Jan. 2022 – Dec. 2024: Deputy Dean for Postgraduate Studies and Research, Faculty of Science.
  ► Jan. 2022 – Dec. 2024: Member of the Science Faculty Executive Committee (ExCo)
  ► Jan. 2020 – June 2020: Interim Head of Department.
  ► Jan. 2017 – Dec. 2019, July 2020 – Jan. 2021 and Aug. 2021 – Jan. 2022: Deputy Head of Department.
  ► Jan. 2017 – Jan. 2022: Member of the Department’s Executive Committee (ExCo).
  
  ► Jan. 2025 – present: Member of the Steering Committee for the 2024 University Research Committee (URC) Annual Research Report.
  ► Nov. 2024 – present: Member of the Executive Committee (ExCo) of the University of Cape Town node of the National Institute for Theoretical and Computational Sciences (NITheCS).
  ► Aug. 2024 – present: Deputy Chair of the University Research Committee (URC) of the University of Cape Town.
  ► July 2024 – June 2028: Member of the University of Cape Town University Research Committee (URC) Conference Travel Committee.
  ► Jan. 2022 – present and Jan. 2020 – June 2020: Member of the University of Cape Town Senate.
  ► Jan. 2023 – Dec. 2024: Member of the University of Cape Town International Relations Advisory Group (IRAG)
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town University Research Committee (URC).
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Doctoral Degrees Board (DDB).
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Postgraduate Studies Funding Committee.
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Board for Graduate Studies (BfGS).
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Postdoctoral Research Fellows (PDRF) sub-committee.
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Research Task Team (RTT).
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Postgrad Online Task Team (POTT).
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Committee on Research Reviews (CRR).
  ► Jan. 2022 – Dec. 2024: Member of the University of Cape Town Research Data Management Governance Committee (RDMGC).
  
  ► Jan. 2024 – present: Member of the Science Faculty Doctoral Degree Committee of Assessors (CoA) core group.
  ► Jan. 2022 – Dec. 2024: Chair of the Science Faculty Research Committee (SFRC).
       Selected activities: 
       ■ Science 'Inter-Faculty Dialogue' event.
          i. Topic: "Computational methods for applied research", 26 Oct. 2022.
          ii. Topic: "Social responsiveness and engaged scholarship", 27 Nov. 2023.
       ■ Science Faculty Dean's Dialogue.
          i. Topic: "The Climate Crisis: How is the UCT Science Faculty part of the solution?", 28 Nov. 2022.
          ii. Topic: "How to build and maintain research excellence", 13 Apr. 2023.
          iii. Topic: "Decoloniality and Science", 25 May 2023. 
       ■ Science Faculty Seminar Series.
          i. Prof. Russ Taylor, "The inter-university institute for data intensive astronomy", 23 March 2023.
          ii. Prof. Marcello Vichi, "The Marine and Antarctic Research Centre for Innovation and Sustainability and its role in South African polar research", 18 May 2023
          iii. Dr. Roger Diamond, "An introduction and overview of BIOGRIP", 20 June 2023.
          iv. Prof. Kelly Chibale, "The UCT Holis'c Drug Discovery and Development (H3D) Research Centre: Introduction and overview", 29 August 2023.
          v. Prof. Sheetal Silal, "The Modelling and Simulation Hub, Africa (MASHA): Using mathematics to understand and manage disease", 26 September 2023.
          vi. Prof. Susan Cunningham, "The FitzPatrick Institute of African Ornithology: birds as keys to ecology, evolution, and conservation", 26 October 2023.
          vii. Prof. Mark Blumenthal, "A beginners guide to capturing single electrons", 24 April 2024.
          viii. Dr. Alastair Sloan, "Beyond the rift: Southern Africa coming apart at the seams", 28 August 2024.
          ix. Prof. Nicci Illing, " Floral Asymmetry: distinguishing left from right", 25 September 2024.
          x. Prof. Kumar Venayagamoorthy (Clemson University, USA), "Artificial Intelligence based Analytics and Decision-Making for Complex Systems", 31 October 2024.
       ■ Science Faculty Post-Doc Day, 6 June 2023.
       ■ Science Faculty  Post-Grad Day, 23 June 2023.
       ■ Science Faculty Post-Doc Day, 18 June 2024.
       ■ Science Faculty Post-Grad Day, 23 Oct. 2024.
  ► Jan. 2022 – Dec. 2024 and Jan. 2020 – June 2020: Member of the Science Faculty Dean’s Advisory Committee (DAC).
  ► Jan. 2022 – Dec. 2024: Member of the Science Faculty Examination Committee (FEC).
  ► Jan. 2022 – Dec. 2024: Member of the Science Faculty MSc Degree Committee.
  ► Jan. 2022 – Dec. 2024: Member of the Science Faculty Scholarship Committee.
  ► Jan. 2022 – Dec. 2024: Member of the Science Faculty Teaching and Learning Committee.
  ► Jan. 2022 – Dec. 2024: Member of the Science Faculty Accreditation Committee.
  ► Sept. 2024 – Oct. 2024: Member of the SEA Head of Department position Selection Committee. Person appointed: Prof. Marcello Vichi.
  ► April. 2024 – July 2024: Chair of the Selection Committee for a Junior Research Fellow position for the Modelling and Simulation Hub, Africa (MASHA) at the Department of Statistical Sciences. Position was not filled.
  ► Feb. 2024 – July 2024: Chair of the Selection Committee for a Senior Research Officer/Chief Research Officer position for the African Climate and Development Initiative (ACDI) at the Department of Environmental and Geographical Science. Person appointed: Dr. Nicholas Simpson.
  ► Oct. 2023 – June 2024: Member of the Selection Committee for the Faculty of Science Dean’s Office Communication & Development and Marketing Manager. Person appointed: Mr. Hishamodien Hoosain. 
  ► Mar. 2023 – Apr. 2024: Chair of the Selection Committee for a Junior Research Fellow position, for the Artificial Intelligence Research Unit (AIRU) at the Department of Computer Science. Person appointed: Dr. Ezgi Su.
  ► Oct. 2023 – Jan. 2024: Chair of the Selection Committee for a Junior Research Fellow position at the Department of Molecular and Cell Biology. Person appointed: Dr. Johnson Moliki.
  ► Oct. 2023 – Jan. 2024: Chair of the Selection Committee for a Junior Research Fellow position at the Department of Molecular and Cell Biology. Person appointed: Dr. Alexis Bick.
  ► Aug. 2023 – Dec. 2023: Member of the Selection Committee for an AXA Research Chair position for the African Climate and Development Initiative (ACDI) at the Department of Environmental and Geographical Science. Person appointed: Dr. Chris Trisos.
  ► June 2023 – Sept. 2023: Member of the Selection Committee for a Junior Research Fellow position at the University of Cape Town Drug Discovery and Development (H3D) Centre. Person appointed: Dr. Devasha Redhi.
  ► Mar. 2023 – Sept. 2023: Member of the Selection Committee for an Administrative Officer at the Science Faculty Dean’s office. Person appointed: Ms. Portia Sithole.
  ► Apr. 2023 – Aug. 2023: Member of the Selection Committee for a Research Officer position at the University of Cape Town Drug Discovery and Development (H3D) Centre. Person appointed: Dr. John Woodland. 
  ► Oct. 2022 – Dec. 2022: Chair of the Selection Committee for a Junior Research Fellow position, for the African Climate and Development Initiative (ACDI) at the Department of Environmental and Geographical Science. Position was not filled. 
  ► Sept. 2022 – Nov. 2022: Member of the Selection Committee for a Research Officer position , for the Climate System Analysis Group (CSAG) at the Department of Environmental and Geographical Science. Person appointed: Dr. Sabina Abba Omar.
  ► Apr. 2016 – Dec. 2019: Member of the Science Faculty Research Committee (SFRC).
  
  ► Feb. 2017 – present: Member of the Internationalization Committee.
  ► Aug. 2014 – present: Member of the UCT Mathematics Competition Committee.
  ► Nov. 2023 – Sept. 2024: Member of the Selection Committee for two MAM Lecturer positions. People appointed: Dr. Malcolm Hillebrand and Dr. Hendrick Jaconus van Zyl.
  ► Aug. 2021 – Jan. 2022: Coordinator for Applied Mathematics postgraduate studies.
  ► Aug. 2021 – Jan. 2022: Chair of the Lecture Schedule Committee.
  ► Feb. 2021 – Jan. 2022: Coordinator for Engineering Mathematics (EBE Coordinator).
  ► Feb. 2021 – Jan. 2022: Member of the Faculty of Engineering & the Built Environment (EBE) First Year Committee.
  ► Feb. 2021 – Jan. 2022: Member of the Faculty of Engineering & the Built Environment (EBE) Mathematics Working Group.
  ► Jan. 2021 – Jan. 2022: Member of the Research Funding Strategy Committee.
  ► Jan. 2017 – Jan. 2022: Member of the Planning Committee.
  ► Jan. 2017 – July 2021: Chair of the Workload Distribution Committee. 
  ► May 2015 – July 2021: Member of the New Departmental Business Plan Committee.
  ► June 2020 – Nov. 2020: Member of the MAM Head of Department position Selection Committee. Person appointed: Prof. David Erwin (Associate Professor).
  ► April 2020 – Nov. 2020: Member of a MAM position Selection Committee. Person appointed: Prof. Elena Berdysheva (Associate Professor).
  ► Aug. 2020 – Sept. 2020: International Mathematical Olympiad (IMO) Commissioner for South Africa (the IMO 2020 took place on September 21-22, 2020).
  ► May 2020 – Sept. 2020: Member of a MAM nGAP (new Generation of Academics Programme) position Selection Committee. Person appointed: Mr. Simon Chili (Lecturer).
  ► April 2020 – July 2020: Member of a  MAM position Selection Committee. Person appointed: Dr. Imran Allie (Lecturer).
  ► Aug. 2019 – Dec. 2019: Member of the 2-year Honours Program Committee.
  ► Jan. 2017 – Dec. 2019: Member of the editorial team of the Department’s Newsletter.
  ► Jan. 2017 – Dec. 2019: Line manager of Department's Chief Technical Officer (Mr. Mmoloki Nimrod Matotong).
  ► Feb. 2016 – Dec. 2018: Member of the Faculty of Engineering & the Built Environment (EBE) First Year Committee.
  ► May 2017 – Dec. 2017: Member of a MAM position Selection Committee and member of the Evaluation Subcommittee. Position was not filled.
  ► Feb. 2016 – Dec. 2016: Member of the Workload Distribution Committee.
  ► Jan. 2015 – Dec. 2015: Organizer of the "Colloquium Talks" series of the Department of Mathematics and Applied Mathematics.
  ► Aug. 2015 – Oct. 2015: Member of the Department of Mathematics and Applied Mathematics Chief Technical Officer Selection Committee. Person appointed: Mr. Mmoloki Nimrod Matotong.
  ► May 2015 – July 2015: Member of a MAM position Selection Committee. Person appointed: Dr. Bishop Mongwane (Lecturer).
  ► Nov. 2014 – Apr. 2015: Member of the MAM Business Plan Committee. 
  ► May 2014 – Nov. 2014: Member of the Committee for Subminima.

• Physics Department of the Aristotle University of Thessaloniki (Thessaloniki, Greece)
  ► Nov. 2011 – Sept. 2013: Member of the committee for Financial Issues.
  ► Nov. 2011 – Sept. 2013: Member of the committee for Courses and Lecture Halls Timetables.
  ► Nov. 2011 – Sept. 2013: Member of the committee for Reception of New Students (Educational Advisor).
  ► July 2011 – Sept. 2013: Co-organizer (with Stergioulas N.) of the "Astrophysics, Astronomy and Mechanics Section Seminar".

• Max Planck Institute for the Physics of Complex Systems (Dresden, Germany)
  ► June 2008 – June 2011: Organizer of the "Discrete Breathers Seminar".

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Meetings - Conferences
(a) Organization

1. International Workshop "Nonlinear Dynamics and Anomalous Transport in Low Dimension", Cape Town, South Africa, 2-6 February 2026
   Main Organizer (with R. Moessner).

2. International Conference on Nonlinear Science and Complexity, Rio Claro, Brazil, 4-8 August 2025
   Member of the International Technical Committee.

3. 6th International Interdisciplinary Symposium on Chaos and Complex Systems (SCCS2025), Istanbul, Turkey, 8-10 May 2025 
   Member of the Scientific Committee.

4. International Conference on Nonlinear Science and Complexity, Yibin, China, 5-10 August 2024
   Member of the International Technical Committee.

5. International Conference "Days of Applied NOnlinearity and Complexity (DANOC)", Thessaloniki, Greece, 12-14 January 2024 (online event)
   Member of the Scientific and Awards Committees.

6. 2022 Conference on Nonlinear Science and Complexity, Thessaloniki, Greece, 26-29 September 2022 (online event)  
   Member of the Scientific Organizing Committee.

7. 10^th International Scientific Conference on Physics and Control (PhysCon2021), Shanghai, China, 4-8 October 2021 (hybrid event).
   Member of the International Program Committee.

8. 27^th Summer School - Conference "Dynamical Systems and Complexity", Athens, Greece, 19 - 24 July 2021 (online event).
   Member of the Scientific Organizing Committee, Main Organizer (with G. Tsironis) of a 2-day event celebrating Tassos Bountis' 70^th birthday.

9. 62^nd Annual Congress of the South African Mathematical Society, Cape Town, South Africa, 2 - 4 December 2019.
   Chair of the Organizing Committee.

10. 26^th Summer School - Conference "Dynamical Systems and Complexity", Athens, Greece, 14 - 20 July 2019.
    Member of the Scientific Organizing Committee.

11. International Workshop "Methods of Chaos Detection and Predictability: Theory and Applications" (MCDPTA13), Dresden, Germany, 17 – 21 June 2013  
    Main Organizer (with J. Laskar and G. Gottwald).

12. International Conference: "Nonlinear Dynamics and Complexity: Theory, Methods and Applications", Thessaloniki, Greece, 12 – 16 July 2010  
    Main Organizer (with V. Rothos). Member of the Scientific Program Committee and the Organizing Committee.

13. 21^st International Conference "Nonlinear Science and Complexity", Athens, Greece, 21 July – 2 August 2008
    Member of the Local Organizing Committee.

14. 20^th International Summer School/Conference "Nonlinear Science and Complexity", Patras, Greece, 19 - 29 July 2007
    Member of the Local Organizing Committee.

15. 4^th Scientific Symposium "Great Moments of Physics: Current tendencies and achievements of Physical Sciences", Athens, Greece, 1 - 3 April 2005
    Member of the Organizing Committee.

16. International Conference & Summer School: Complexity in Science and Society, Patras & Ancient Olympia, Greece, 14 - 16 July 2004 
    Member of the Local Organizing Committee.

17. 3^rd Scientific Symposium "Great Moments of Physics: The current developments in Physics and their influence at society", Larisa, Greece, 7 - 9 May 2004 
    Member of the Organizing Committee.

18. 15^th Summer School / Panhellenic Conference "Non linear dynamics: Chaos and Complexity", Patras, Greece, 19 - 30 August 2002
    Member of the Local Organizing Committee.

(b) Invited Participation

1. International Conference on Nonlinear Science and Complexity, Rio Claro, Brazil, 4-8 August 2025
   Invited speaker 
   Oral presentation: Energy transport and chaos in a one-dimensional disordered nonlinear stub lattice

2. Advanced School and Workshop: StatPhys in Kigali, Kigali, Rwanda, 2025
   Invited speaker (did not attend)

3. 6th International Interdisciplinary Symposium on Chaos and Complex Systems (SCCS2025), Istanbul, Turkey, 2025 
   Invited speaker 
   Oral presentation: Lagrangian descriptors: a powerful method for investigating the behavior and chaoticity of dynamical systems

4. 5th International Conference on Integrable Systems and Nonlinear Dynamics (hybrid event – online participation), Yaroslavl, Russia, 2024
   Invited plenary speaker
   Oral presentation: Energy transport and chaos in a one-dimensional disordered nonlinear stub lattice model (pdf file, 3.75 Mb)

5. International Conference on Nonlinear Science and Complexity, Yibin, Sichuan, China, 2024.
   Invited speaker 
   Oral presentation: Quantifying chaos using Lagrangian descriptors (pdf file, 6.11 Mb)

6. 2024 International Workshop on Nonlinear Science, Chongqing, China, 2024.
   Invited speaker
   Oral presentation: Quantifying chaos in conservative dynamical systems by using Lagrangian descriptors (pdf file, 7.18 Mb)

7. Conference "Ergodicity in physical systems and beyond", Lincoln, UK, 2024.
   Invited speaker 
   Oral presentation: Energy transport and chaos in a one-dimensional disordered nonlinear stub lattice model (pdf file, 4.53 Mb)

8. International conference "Applied Nonlinear Dynamical Systems and Chaos" (dedicated to the 65th birthday of Prof. Stephen Wiggins), Madrid, Spain, 2024.
   Invited speaker 
   Oral presentation: Quantifying chaos using Lagrangian descriptors (pdf file, 7.35 Mb)

9. International Conference "Days of Applied NOnlinearity and Complexity (DANOC)" (online event), Thessaloniki, Greece, 2024. 
   Keynote speaker 
   Oral presentation: Numerical methods of chaos detection (pdf file, 11.49 Mb)

10. 20th Christmas Symposium of Physicists, Center for Applied Mathematics and Theoretical Physics (CAMTP), Maribor, Slovenia, 2023.
    Invited speaker
    Oral presentation: Numerical methods of chaos detection (pdf file, 11.51 Mb)

11. 4th International Conference on Integrable Systems and Nonlinear Dynamics (hybrid event – online participation), Yaroslavl, Russia, 2023
    Invited speaker 
    Oral presentation: Quantifying chaos using Lagrangian descriptors (pdf file, 4.05 Mb)

12. 29th Summer School – Conference "Dynamical Systems and Complexity" Athens, Greece, 2023.
    Invited speaker 
    Oral presentation: Chaos in Hamiltonian nonlinear lattices (pdf file, 5.87 Mb)

13. International Conference on Statistical Physics 2023 (SigmaPhi 2023), Chania, Crete, Greece, 2023 
    Invited speaker 
    Oral presentation: Numerical investigation of spatiotemporal chaos in nonlinear lattice models (pdf file, 4.87 Mb)
    Poster presentation: Instantaneous Lyapunov vectors in DNA

14. Workshop "Multiple scattering in engineering and applied sciences", Cambridge, United Kingdom, 2023 
    Invited speaker 
    Oral presentation: Numerical approaches for investigating the chaotic behavior of nonlinear disordered lattice models (pdf file, 5.46 Mb) 

15. 2022 Conference on Nonlinear Science and Complexity, Thessaloniki, Greece, 2022 (online event).
    Invited speaker 
    Oral presentation: Numerical investigation of spatiotemporal chaos in multidimensional Hamiltonian systems (pdf file, 4.67 Mb)

16. 28th Summer School "Dynamical Systems and Complexity" (hybrid event – online participation), Chania, Crete, Greece, 2022  
    Invited speaker 
    Oral presentation: Chaos in Hamiltonian systems (pdf file, 9.01 Mb)

17. Satellite International Conference on Nonlinear Dynamics & Integrability, and Scientific School "Nonlinear Days" (hybrid event – online participation), Yaroslavl, Russia, 2022  
    Invited plenary speaker
    Oral presentation: Numerical investigation of spatiotemporal chaos in multidimensional Hamiltonian systems (pdf file, 5.16 Mb)

18. Third International Conference on Integrable Systems & Nonlinear Dynamics, and School "Integrable and Nonlinear Days" (hybrid event – online participation), Yaroslavl, Russia, 2021 
    Invited speaker 
    Oral presentation: The Smaller (SALI) and the Generalized (GALI) Alignment Index methods of chaos detection (pdf file, 5.74 Mb)

19. 27^th Summer School - Conference "Dynamical Systems and Complexity", Athens, Greece, 2021 (online event).
    Invited speaker 
    Oral presentation: Chaotic dynamics of Hamiltonian systems (pdf file, 9.62 Mb)

20. 12^th International Conference on Nonlinear Mathematics and Physics (NoLineal 20-21 – online event), Madrid, Spain, 2021
    Invited speaker 
    Oral presentation: Chaotic behavior of disordered Hamiltonian systems

21. Second International Conference on Integrable Systems & Nonlinear Dynamics (hybrid event – online participation), Yaroslavl, Russia, 2020 
    Invited speaker 
    Oral presentation: Chaotic wave packet propagation in disordered nonlinear lattices with one and two spatial dimensions (pdf file, 5.64 Mb)

22. International Conference "6^th Dynamics Days Central Asia 2020" (online event), Nur-Sultan, Kazakhstan, 2020 
    Invited speaker 
    Oral presentation: Chaotic behavior of multidimensional Hamiltonian systems (pdf file, 5.87 Mb)

23. International Workshop "Chaos Indicators, Phase Space and Chemical Reaction Dynamics" (online event), Bristol, United Kingdom, 2020  
    Invited speaker 
    Oral presentation: The Smaller (SALI) and the Generalized (GALI) Alignment Index methods of chaos detection (pdf file, 5.52 Mb)

24. 6th PhD School/Conference on Mathematical Modeling of Complex Systems, Pescara, Italy, 2019 
    Invited speaker 
    Oral presentation: Chaotic behavior of multidimensional Hamiltonian systems: disordered lattices, granular chains and DNA models  (pdf file, 9.73 Mb)
    Poster presentation: Investigating Chaos by the Generalized Alignment Index (GALI) Method

25. International Workshop on Chaos-Fractals Theories and Applications, Chongqing, China, 2018 
    Invited plenary speaker
    Oral presentation: Methods of chaos detection (pdf file, 6.66 Mb)

26. International Conference on "Nonlinear Localization in Lattices", Spetses, Greece, 2018.
    Invited speaker 
    Oral presentation: Chaos in disordered nonlinear lattices (pdf file, 3.45 Mb)
    Poster presentation: Chaotic dynamics of one-dimensional disordered nonlinear lattices
    Poster presentation: Chaotic behaviour of the Peyrard-Bishop-Dauxois model of DNA
    Poster presentation: Dynamical behavior of a 2D planar model of graphene

27. Workshop "Write Science: An interactive learning experience", University of Cape Town, Cape Town, South Africa, 2017.
    Invited session panelist

28. International Scientific Workshop "Recent Advances in Hamiltonian and Nonholonomic Dynamics", Moscow, Russia, 2017. 
    Invited speaker 
    Oral presentation: Chaos in disordered nonlinear Hamiltonian systems (pdf file, 5.31 Mb)
    Poster presentation: A dynamical model for graphene 

29. International Conference "Dynamics Days Latin America and the Caribbean 2016", Puebla, Mexico, 2016.   
    Invited speaker 
    Oral presentation: Investigating the dynamics of a time-dependent barred galaxy model by the Smaller (SALI) and the Generalized (GALI) Alignment Index methods of chaos detection (pdf file, 4.14 Mb)
    Oral presentation: Chaos in disordered nonlinear lattices (pdf file, 3.62 Mb)
    Oral presentation: Efficient integration techniques for the long time simulation of the disordered discrete nonlinear Schrödinger equation (pdf file, 3.81 Mb)

30. International Workshop on "Analysis and Applications of Localized Structures in Nonlinear Media", Leiden, The Netherlands, 2016. 
    Invited speaker  
    Oral presentation: Symplectic longtime integration of the disordered discrete nonlinear Schrödinger equation  (pdf file, 642 Kb)

31. 5th European PhD Summer School-Conference on "Mathematical Modeling of Complex Systems", Patras, Greece, 2015.
    Invited speaker  
    Oral presentations: Numerical Methods for Hamiltonian Systems: Chaos Detection (Parts A and B) (pdf file, 12.62 Mb)

32. International Workshop in Astronomy and Dynamics, Paris, France, 2015.
    Invited speaker  
    Oral presentation: Chaotic dynamics of disordered nonlinear lattices (pdf file, 1.56 Mb and  Video)

33. Fourth International Workshop on Statistical Mechanics and Dynamical Systems, Athens, Greece, 2014. Invited speaker  
    Oral presentation: High order three part split symplectic integrators. Application to the disordered discrete nonlinear Schrödinger equation (pdf file, 3.86 Mb)

34. 9^th International Summer School / Conference "Let’s Face Chaos through Nonlinear Dynamics", Maribor, Slovenia, 2014. Invited speaker  
    Oral presentation: Chaotic behavior of disordered nonlinear lattices (pdf file, 5.43 Mb)

35. International Meeting "Perspectives in Nonlinear Dynamics" (A Satellite meeting of the STATPHYS 25 Conference), Hyderabad, India, 2013.  Invited speaker
    Oral presentation: Chaos in disordered nonlinear lattices (pdf file, 2.82 Mb)

36. 8^th International Summer School / Conference "Let’s Face Chaos through Nonlinear Dynamics", Maribor, Slovenia, 2011. Invited speaker
    Oral presentation: Efficient methods of chaos detection (pdf file, 9.45 Mb)

37. 8^th Alexander von Humboldt Colloquium for Celestial Mechanics, Bad Hofgastein, Austria, 2011. Invited speaker
    Oral presentation: Energy transport in disordered nonlinear chains (pps file, 20.8 Mb)

38. International Conference "CELMEC V: The Fifth International Meeting on Celestial Mechanics", San Martino al Cimino, Viterbo, Italy, 2009. Invited speaker
    Oral presentation: On the numerical integration of variational equations (pdf file, 680 Kb)
    Poster presentation: Some aspects of the numerical integration of variational equations

39. International Conference "Nonlinear Science and Complexity",  Pescara, Italy, 2009. Invited speaker
    Oral presentation: Spreading of wave packets in one dimensional disordered chains (pps file, 21.9 Mb)
    Poster presentation: Behavior of the GALI indices for periodic orbits  (pdf file, 1.13 Mb)

40. Ecole Thématique du CNRS "Récentes Investigations en Dynamique des Corps Célestes dans les Systèmes Solaire et Extra-solaires", Bad Hofgastein, Austria, 2007. Invited speaker
    Oral presentation: Mesure du chaos  

(c) Participation

1. International Conference: "From the nonlinear dynamical systems theory to observational chaos", Toulouse, France, 2023.
   Oral presentation: Numerical approaches for investigating the chaotic behavior of multidimensional Hamiltonian systems (pdf file, 5.13 Mb)

2. Scientific Workshop: 30 years MPI-PKS, Dresden, Germany, 2023.
   Oral presentation: Spatiotemporal chaos in disordered nonlinear lattices (pdf file, 5.87 Mb) 

3. Event "Wave scattering in complex matter: Advances in material characterisation and the design of materials", Cambridge, United Kingdom, 2023.

4. "Random operators Arising in the study of random Walks (RAW)" Graduate School (online event), Paris, France, 2021.

5. Workshop "Korteweg-de Vries equation, Toda lattice and their relevance to the FPUT problem" (online event), Lincoln, UK, 2021.

6. 59th Annual Congress of the South African Mathematical Society, Cape Town, South Africa, 2016.
   Oral presentation: The Smaller (SALI) and the Generalized (GALI) Alignment Indices: Efficient methods of chaos detection (pdf file, 6.44 Mb)
   Oral presentation: Efficient integration techniques for the long time simulation of the disordered discrete nonlinear Schrödinger equation (pdf file, 4.36 Mb)

7. Science, Technology, Engineering, Mathematics & Innovation (STEMI) Olympiads & Competitions Conference, Johannesburg, South Africa, 2015.

8. 4^th Ph.D. Summer School - Conference on "Mathematical Modeling of Complex Systems", Athens, Greece, 2014.

9. Workshop of UCT's New Academic Practitioners’ Programme (NAPP), Stellenbosch & Cape Town, South Africa, 2014. 
   Oral presentation: Teaching the new course: MAM3085F ‘Computing for Chemical Engineers’ (pdf file, 944 Kb)

10. International Workshop "Methods of Chaos Detection and Predictability: Theory and Applications (MCDPTA13)", Dresden, Germany, 2013. Main Organizer.  
    Oral presentation: The Smaller (SALI) and the Generalized (GALI) Alignment Index methods of chaos detection (pdf file, 2.14 Mb)
    Poster presentation: Chaos and Localization on 1-dimensional Nonlinear Disordered Lattices 
    Poster presentation: Computation of Lyapunov Characteristic Exponents Spectrum by the Compound Matrix Method   
    Poster presentation: Dynamical Behavior of a System of Interacting Vortices in a Confined Bose-Einstein Condensate  

11. 10^th HSTAM 2013 International Congress on Mechanics, Mini-Symposium "Complex Problems in Theoretical and Applied Mechanics", Chania, Greece, 2013.  
    Oral presentation: High order three part split symplectic integration schemes (pdf file, 2.57 Mb)

12. European Conference on Complex Systems (ECCS 12), Satellite Meeting "Critical Phenomena and Collective Behavior of Multi-Particle Systems", Brussels, Belgium, 2012.  
    Oral presentation: Efficient integration schemes for the discrete nonlinear Schrödinger (DNLS) equation (pdf file, 2.70 Mb)

13. 2^nd Conference on Localized Excitations in Nonlinear Complex Systems (LENCOS’ 12), Sevilla, Spain, 2012. 
    Oral presentation: Efficient integration schemes for the discrete nonlinear Schrödinger (DNLS) equation (pdf file, 2.42 Mb)

14. Third Plenary Meeting "Complex Matter", Manchester, UK, 2012. 
    Oral presentation: Chaos in disordered nonlinear lattices (pdf file, 4.02 Mb)

15. Second Plenary Meeting "Complex Matter", Patras, Greece, 2011. 
    Oral presentation: Energy localization in disordered nonlinear lattices (pdf file, 1.78 Mb)

16. Deutsche Physikalische Gesellschaft (DPG): 75th Annual Meeting of the DPG and DPG Spring Meeting, Dresden, Germany, 2011. 
    Oral presentation: Algorithms for the integration of variational equations of multidimensional Hamiltonian systems (pdf file, 447 Kb)

17. International Conference: "Nonlinear Dynamics and Complexity: Theory, Methods and Applications", Thessaloniki, Greece, 2010. Main Organizer
    Oral presentation: Numerical integration of variational equations (pdf file, 789 Kb)
    Poster presentation: A study of tangent dynamics using the GALI method: from the center of islands to the edge of chaos

18. International Focus Workshop: "Few Body Dynamics in Atoms, Molecules and Planetary Systems", Dresden, Germany, 2010.
    Oral presentation: The Smaller (SALI) and the Generalized (GALI) Alignment Index Methods of Chaos Detection: Theory and Applications (pdf file, 4.5 Mb)

19. American Institute of Mathematical Sciences’ (AIMS’) 8th International Conference on Dynamical Systems, Differential Equations and Applications, Dresden, Germany, 2010.
    Oral presentation: On the numerical integration of variational equations (pdf file, 789 Kb)

20. International Conference "Dynamics Days Europe 2009", Göttingen, Germany, 2009.
    Oral presentation: Spreading of wave packets in one dimensional disordered chains: Different dynamical regimes (pps file, 20.6 Mb)

21. Deutsche Physikalische Gesellschaft (DPG) Spring Meeting of the Condensed Matter Section, Dresden, Germany, 2009. 
    Oral presentation: Spreading of wave packets in one dimensional disordered chains - I. Different dynamical regimes  (pdf file, 379 Kb)
    Poster presentation: Detecting chaos and determining the dimensions of tori in Fermi-Pasta-Ulam lattices by the Generalized Alignment Index method (pdf file, 540 Kb)

22. International Workshop on Anderson Localization in Nonlinear and Many-Body Systems, Dresden, Germany, 2009. 
    Poster presentation: Spreading of Wavepackets in One-Dimensional Disordered Chains: Different Dynamical Regimes (pdf file, 680 Kb)
    Poster presentation: Spreading of Wavepackets in One-Dimensional Disordered Chains. Spreading Mechanisms (pdf file, 220 Kb)
    Poster presentation: On the Energy Transfer in FPU Lattices (pdf file, 1.48 Mb)

23. 21^st International Conference "Nonlinear Science and Complexity", Athens, Greece, 2008. 
    Oral presentation: Chaos detection techniques

24. International Meeting on the Dynamics of Celestial Bodies, Litohoro,  Greece, 2008.
    Oral presentation: The Generalized Alignment Index (GALI) Method of Chaos Detection: Theory and Applications 

25. 7^th Alexander von Humboldt Colloquium for Celestial Mechanics, Bad Hofgastein, Austria, 2008. 
    Oral presentation: Detecting chaos, determining the dimensions of tori and predicting slow diffusion in Fermi-Pasta-Ulam lattices by the GALI method

26. Workshop on Mathematical Aspects of Celestial Mechanics, Paris, France, 2007.
    Oral presentation: Realistic estimations of the stability region of the Trojan asteroids

27. International Conference "Nonlinear Dynamics and Chaos: Advances and Perspectives", Aberdeen, Scotland, 2007. 
    Oral presentation: The Generalized Alignment Index (GALI) Method of Chaos Detection: Theory and Applications 
    Poster presentation: Studying the dynamics of particle accelerators by the Frequency Map Analysis method using multi-bpm data

28. 20^th International Summer School/Conference "Nonlinear Science and Complexity", Patras, Greece, 2007. 
    Oral presentation: Beam Stability in Modern Light Sources via Frequency Map Analysis 
    Poster presentation: Application of the Generalized Alignment Index Method to the Dynamics of Multi-dimensional Symplectic Maps

29. 22^nd Particle Accelerator Conference, PAC07, Albuquerque, USA, 2007.
    Poster presentation: Precise tune measurements from multiple beam position monitors

30. Workshop "Asteroids and resonances: open problems and perspectives", Commemorative workshop for the 70-th anniversary of Prof. Sylvio Ferraz Mello, Meudon, France, 2006.

31. 19^th Conference and Summer School "Complexity and Nonlinear Dynamics", Thessaloniki, Greece, 2006.
    Oral presentation: A new method for distinguishing chaos from order in Hamiltonian systems 
    Poster presentation: Chaotic dynamics of N-degree of freedom Hamiltonian systems

32. American Institute of Mathematical Sciences’ (AIMS’) Sixth International Conference on Dynamical Systems, Differential Equations and Applications, Poitiers, France, 2006.  
    Oral presentation: The Generalized Alignment Index (GALI) method: Detecting order and chaos in conservative dynamical systems  

33. International Conference "Carles Simó Fest", S’ Agaró, Spain, 2006.   
    Poster presentation: The Generalized Alignment Index (GALI) method: Detecting order and chaos in conservative dynamical systems 

34. International Conference "CELMEC IV : A Meeting on Celestial Mechanics", San Martino al Cimino, Viterbo, Italy, 2005.
    Oral presentation: The importance of periodic orbits in three-dimensional galactic bars and modern numerical techniques for tracing them  

35. 18^th Summer School / Panhellenic Conference "Non linear Science and Complexity", Volos, Greece, 2005.
    Oral presentation: Dynamical study of three-dimensional galactic bars: Periodic orbits and new techniques for tracing them
    Poster presentation: Chaotic dynamics of N-degree of freedom Hamiltonian systems

36. 6^th International Summer School / Conference "Let’s Face Chaos through Nonlinear Dynamics", Maribor, Slovenia, 2005.     
    Oral presentation: The importance of periodic orbits in three-dimensional galactic bars and modern numerical techniques for tracing them
    Poster presentation: Chaotic dynamics of N-degree of freedom Hamiltonian systems

37. 4^th Scientific Symposium "Great Moments of Physics: Current tendencies and achievements of Physical Sciences", Athens, Greece, 2005.

38. International Conference on Numerical Analysis and Applied Mathematics, Chalkida, Greece, 2004.     
    Oral presentation: A Numerical Study of Soliton Solutions of the Boussinesq Equation using Spectral methods

39. 1st International Conference 'From Scientific Computing to Computational Engineering',  Athens, Greece, 2004.     
    Oral presentation: Tracing Periodic Orbits in 3D Galactic Potentials by the Particle Swarm Optimization method
    Oral presentation: Numerical Solution of the Boussinesq Equation using Spectral Methods and Stability of Solitary Wave Propagation

40. International Conference & Summer School: Complexity in Science and Society, Patras & Ancient Olympia, Greece, 2004.  
    Oral presentation: Detecting Chaos by the Smaller Alignment Index (SALI) method (pdf file, 1.61 Mb)
    Oral presentation: Detecting Chaos in Autonomous Hamiltonian Systems and Symplectic Maps (pdf file, 2.06 Mb)
    Poster presentation: SALI: An Efficient Indicator of Regular and Chaotic motion of Multi – Degree of Freedom Hamiltonian Systems 

41. Workshop "Experimental Frequency Map Analysis in Accelerator Physics", Paris, France, 2003.

42. 6^th Hellenic Astronomical Conference, Penteli, Greece, 2003. 
    Poster presentation: Tracing periodic orbits in 3D galactic potentials by the Particle Swarm Optimization method 
    Poster presentation: Face-on views of 3D barred galaxies.

43. NATO ASI "Chaotic Worlds: From Order to Disorder in Gravitational N-Body Dynamical Systems",  Cortina d’ Ampezzo, Italy, 2003.   
    Oral presentation: Smaller Alignment Index - SALI: A Simple Tool to Distinguish Chaotic from Ordered Motion
    Poster presentation: Tracing periodic orbits in 3D galactic potentials by the Particle Swarm Optimization method.

44. International Astronomical Union XXVth General Assembly, Symposium 220 "Dark Matter in Galaxies",  Sydney, Australia, 2003.  
    Poster presentation: Boxy isophotes in face-on views of barred galaxies
    Poster presentation: Formation of inner rings in 3D potentials of barred galaxies.

45. International Workshop on Galaxies and Chaos, Theory and Observations, Athens, Greece, 2002.
    Oral presentation: Detecting ordered or chaotic motion in Hamiltonian systems by the Smaller Alignment Index (SALI) method. 

46. 15^th Summer School / Panhellenic Conference "Non linear dynamics: Chaos and Complexity", Patras, Greece, 2002.
    Oral presentation: Indices for distinguishing between regular and chaotic dynamics.

47. 5^th International Summer School / Conference "Let’s Face Chaos through Nonlinear Dynamics", Maribor, Slovenia, 2002.
    Oral presentation: Determining the ordered or chaotic nature of orbits in Hamiltonian systems by the Smaller Alignment Index (SALI) method. 
    Poster presentation: Finding periodic orbits in area preserving mapping by Topological Degree theory.

48. GRACM 2002 - 4^th GRACM Congress on Computational Mechanics, Patras, Greece, 2002.
    Oral presentation: Smaller alignment index (SALI): Detecting order and chaos in conservative dynamical systems.

49. International Conference on Libration Point Orbits and Applications, Aiguablava, Spain, 2002.
    Oral presentation: Smaller alignment index (SALI): Determining the ordered or chaotic nature of orbits in conservative dynamical systems.
    Poster presentation: Locating periodic orbits by Topological Degree theory. (pdf file, 407 Kb)

50. 5^th Hellenic Astronomical Conference, Fodele, Crete, Greece, 2001.
    Oral presentation: Alignment indices: a new method for determining the ordered or chaotic nature of orbits.
    Poster presentation: Stability types of periodic orbits of multidimensional Hamiltonian systems.
    Poster presentation: Realistic estimations of the effective stability region of the Trojan asteroids.
    Poster presentation: The backbone of 3D bars.

51. 14^th Summer School / Panhellenic Conference "Non linear dynamics: Chaos and Complexity", Patras, Greece, 2001.
    Oral presentation: Stability of periodic orbits in multi-dimensional Hamiltonian systems.

52. International Conference "CELMEC III : Third Meeting on Celestial Mechanics", Monte Porzio Catone, Italy, 2001.
    Oral presentation: On the effective stability of the Trojan asteroids.
    Poster presentation: Αlignment indices: a new indicator distinguishing between ordered and chaotic orbits. 

53. 1^st Interdisciplinary Symposium on Nonlinear Problems, Athens, Greece, 2000.

54. International Workshop "Galactic Disks 99", Heidelberg, Germany, 1999.

55. 4^th Hellenic Astronomical Conference, Samos, Greece, 1999.
    Oral presentation: Regions of effective stability in the restricted problem of three bodies.
    Oral presentation: Dynamical spectra in systems with three degrees of freedom.

56. 12th Summer School / Panhellenic Conference "Non linear dynamics: Chaos and Complexity", Patras, Greece, 1999.
    Oral presentation: Dynamical spectra and structures in the phase space of a four-dimensional symplectic map.

57. International Workshop "Astronomy 2000+", Athens, Greece, 1998. 

58. 8^th Summer School / 3^rd Panhellenic Conference "Complexity and chaotic dynamics of nonlinear systems", Patras, Greece, 1996.
    Poster presentation: Periodic orbits in the potential of FH₂.

59. One-day course "Nonlinear dynamics, chaos, fractals, fractal kinetics in drug research", Athens, Greece, 1996.
    Oral presentation: Introduction to nonlinear dynamics.

60. International Conference "Hamiltonian systems with three or more degrees of freedom", S' Agaro, Barcelona, Spain, 1995.
    Poster presentation: Numerical study of the phase space of a four dimensional symplectic map.

61. First Panhellenic Astronomical Meeting, Athens, Greece, 1992.
    Oral presentation: Study of a 4-D mapping.

62. 5^th Summer School of Nonlinear Physics and Mathematics, Heraklion, Crete, Greece, 1992.

63. International Conference "Chaotic dynamics: theory and practice", Patras, Greece, 1991.

64. 4^th Summer School of Nonlinear Physics and Mathematics, Samos, Greece, 1990.

65. 2^nd Summer School of Nonlinear Physics and Mathematics, Samos, Greece, 1988.

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