Kleidis Kostas

Fullname: Kleidis Kostas
Specialty: Applied Mathematics
Telephone: 2321049219, 2321049122
email: kleidis@teiser.gr

 

Organization: Technological Education Institute (TEI) of Serres, Greece.
Academic Qualifications: BSc in Physics (1990), PhD in Physics (1999).
Current Position: Assistant Professor in the Department of Mechanical Engineering, of the Technological Education Institute of Serres, Greece.

 

Career History:

  • 1999 – 2010: Scientific Collaborator, Department of Mechanical Engineering, Technological Education Institute of Serres, Greece.
  • 1999 – 2009: Scientific Collaborator, Department of Civil Engineering, Technological Education Institute of Serres, Greece.
  • 2000 – 2006: Member of the Educational Staff of the Hellenic Open University, Patrai, Greece.
  • 2004 – 2006: Research Associate, Department of Physics, Aristotle University of Thessaloniki, Greece.

 

Research:  

  • General Theory of Relativity, Theoretical Cosmology, Quantum Field Theory in Curved Spacetime, Magnetohydrodynamics (MHD) & Plasma Cosmology,  Hamiltonian Systems, and related applications.
  • Author of twenty-three (23) papers of original research and one (1) review article in international refereed journals, one (1) chapter in a refereed special volume (book) and seven (7) papers in refereed proceedings of international and local meetings – fifty (50) citations to my work.

 

Scientific Projects:

  • Participation as a Researcher in six (6) scientific projects.
  • Participation in two (2) educational projects.

 

Conferences – Summer Schools:

I have participated in nine (9) international and five (5) local conferences and workshops, as well as in three (3) international Summer Schools.

 

Seminars:

I have delivered twenty-three (23) lectures, on subjects related to my research work.

 

Course coordination/Teaching:

Calculus, Differential Equations and Numerical Analysis for undergraduate students.

 

Computer Experience:

  • Programming in Fortran, Mathematica and Maple – Work on computer networks (TCP-IP, LAN, Novel).
  • Numerical simulations of Dynamical Systems (with applications to General Relativity and Theoretical Cosmology), Numerical Recipes.
  • Graphic applications for educational purposes.

 

Academic Issues:

  • Head of the Department of Mechanical Engineering, Technological Education Institute of Serres, Greece (September 2010 – today).
  • Three (3) participations in Conference or/and Summer School Organizations – one as Head of the Organizing Committee.
  • Referee for six (6) International Scientific Journals.
  • Member of the Hellenic Astronomical Society, the European Astronomical Society, the American Mathematical Society and the Hellenic Society of Relativity, Gravity and Cosmology.

 

Publications:

  In international refereed journals 

• “Interaction of charged particles with gravitational waves of various polarizations and directions of propagation”, K. Kleidis, H. Varvoglis and D. B. Papadopoulos, A&A 275, 309 (1993).

• “Non-linear interaction of a gravitational wave with a distribution of particles”, K. Kleidis, H. Varvoglis, D. B. Papadopoulos and F. P. Esposito, A&A 294, 313 (1995).

• “Conditions on the stability of the external space solutions in a higher-dimensional quadratic theory of gravity”, K. Kleidis, H. Varvoglis and D. B. Papadopoulos, J. Math. Phys. 37, 4025 (1996).

• “Parametric resonant acceleration of particles by gravitational waves”, K. Kleidis, H. Varvoglis and D. B. Papadopoulos, Class. Quantum Grav. 13, 2547 (1996).

• “On the adiabatic expansion of the visible space in a higher-dimensional cosmology”, K. Kleidis and D. B. Papadopoulos, Gen. Relativ. Gravit. 29, 275 (1997).

• “Kinetic description of particle interaction with a gravitational wave”, A. Anastasiadis, K. Kleidis and H. Varvoglis, Gen. Relativ. Gravit. 29, 499 (1997).

• “Higher-dimensional models in gravitational theories of quartic Lagrangians”, K. Kleidis, A. Kuiroukidis, D. B. Papadopoulos and H. Varvoglis, J. Math. Phys. 38, 3166 (1997).

• “Cosmological solutions in Kaluza-Klein theories of quadratic Lagrangians”, K. Kleidis and D. B. Papadopoulos, J. Math. Phys. 38, 3189 (1997).

• “Particle creation, renormalizability conditions and the mass-energy spectrum in gravity theories of quadratic Lagrangians”, K. Kleidis and D. B. Papadopoulos, Class. Quantum Grav. 15, 2217 (1998).

• “Anisotropic null-string cosmologies”, I. Giannakis, K. Kleidis, A. Kuiroukidis and D. B. Papadopoulos, Mod. Phys. Lett. A 13, 3169 (1998).

• “Null strings in Bianchi I models: Dynamical anisotropy damping and consequences”, A. Kuiroukidis,  K. Kleidis and D. B. Papadopoulos, Class. Quantum Grav. 16, 2763 (1999).

• “Geodesic motions versus hydrodynamic flows: Dynamical equivalence and consequences”, K. Kleidis and N. K. Spyrou, Class. Quantum Grav. 17, 2965 (2000).

• “String theory and higher-order gravity theories in relativity and modern cosmology”, A. Kuiroukidis,  K. Kleidis and D. B. Papadopoulos, invited review, Revue des Questions Scientifiques  172, 383 (2001).

• “Interactive quadratic gravity”, K. Kleidis, A. Kuiroukidis and D. B. Papadopoulos, Phys. Lett. B 546, 112 (2002).

• “Magnetohydrodynamics and Plasma Cosmology”, K. Kleidis, A. Kuiroukidis, D. B. Papadopoulos and L. Vlahos, IJTP 46, 2283 (2007).

• “Alfven modes driven non-linearly by metric perturbations in anisotropic magnetized cosmologies”, A. Kuiroukidis, K. Kleidis and D. B. Papadopoulos, IJMP A 22, 2197 (2007).

• “Excitation of MHD waves in magnetized, anisotropic cosmologies”, A. Kuiroukidis, K. Kleidis, D. B. Papadopoulos and L. Vlahos, A&A 471, 409 (2007).

• “Dynamo effects in magnetized ideal-plasma cosmologies”, K. Kleidis, A. Kuiroukidis, D. B. Papadopoulos and L. Vlahos, IJMP A 23, 1697 (2008).

• “Imprints of cosmic strings on the cosmological gravitational-wave background”, K. Kleidis, D. B. Papadopoulos, E. Verdaguer and L. Vlahos, Phys. Rev. D 78, 024027 (2008).

• “Gravito-magnetic instabilities in anisotropically expanding fluids”, K. Kleidis, A. Kuiroukidis, D. B. Papadopoulos and L. Vlahos, IJMP A 23, 4467 (2008).

• “Charged cosmic strings interacting with gravitational and electromagnetic waves”, K. Kleidis, A. Kuiroukidis, P. Nerantzi and D. B. Papadopoulos, Gen. Relativ. Gravit. 42, 31 (2010).

• “A conventional approach to the dark-energy concept”, K. Kleidis and N. K. Spyrou, A&A 529, Α26 (2011).

• “Testing extra dimensions with boundaries using Newton’s law modifi-cations”, V. K. Oikonomou and K. Kleidis, IJMP A26,  4633 (2011).

• “Graviton production in the scaling of a long-cosmic-string network”, K. Kleidis, A. Kuiroukidis, D. B. Papadopoulos and E. Verdaguer, Phys. Rev. D84, 124044  (2011).

In refereed special volumes

• “Hydrodynamic flows versus geodesic motions in contemporary Astrophysics and Cosmology”, N. K. Spyrou and K. Kleidis, in “New Developments in Hydrodynamics Research”, J. Ibragimov & M. A. Anisimov (eds.), Nova Science Publishers Inc. ISBN 978-1-62081-223-5, Chapter 2, pp.113 – 158 (2012).

In refereed conference proceedings

• “On the nature of nuclear galactic masses”, K. Kleidis and N. K. Spyrou, in Proceedings of the 4th Hellenic Astronomical Conference, Pythagoreion Samos,  September 16 – 18, 1999 (ed. J. Seimenis), p. 45 (2001).

• “String propagation in Bianchi Type I models”, A. Kuiroukidis, K. Kleidis and D. B. Papadopoulos, in Proceedings of the 4th Hellenic Astronomical Conference, Pythagoreion Samos, September 16 – 18, 1999 (ed. J. Seimenis), p. 359 (2001).

• “Introducing quadratic gravity”, K. Kleidis, in Proceedings of the International Workshop on “Cosmology and Gravitational Physics”, Thessaloniki, Greece, December, 15 – 16, 2005 (eds. N. K. Spyrou, N. Stergioulas and C. Tsagas), Aristotle University of Thessaloniki Conference Series, p. 103 (2006).

• “Exploring the Universe on the back of a gravitational wave”, K. Kleidis  and D. B. Papadopoulos, in Proceedings of the International Workshop on “Cosmology and Gravitational Physics”, Thessaloniki, Greece, December 15 – 16, 2005 (eds. N. K. Spyrou, N. Stergioulas and C. Tsagas), Aristotle University of Thessaloniki Conference Series, p. 77 (2006).

• “Kerr – NUT seeds for cosmic strings”, K. Kleidis, P. Nerantzi and D. B. Papadopoulos, in Proceedings of the International Conference on “Differential Geometry and Dynamical Systems”, Bucharest, Romania, October 5 – 7, 2007 (ed. V. Balán), Balkan Society of Geometers, Geometry Balkan Press, p. 110 (2008).

• “Gravitational waves versus cosmic strings”, K. Kleidis, Journal of Physics Conference Series 189, 012021  (2009).

• “A conventional form of dark energy”, K. Kleidis and N. K. Spyrou, Journal of Physics Conference Series 283, 012018 (2011).