Research Center for Astronomy

Events

SEMINAR
Tuesday 28 May 2013

Panagiotis Koumantos
University of Athens, Dept. of Mathematics


Dynamical Systems and Thermodynamics-Magneto-hydrodynamics

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In Press...

The Speed of Arnold Diffusion
Christos Efthymiopoulos, Mirella Harsoula
(to appear in Physica D)

Magnetic Energy and Helicity Budgets in the Active-Region Solar Corona. II. Nonlinear Force-Free Approximation
M. K. Georgoulis, K. Tziotziou, N.-E. Raouafi

The Magnetic Energy - Helicity Diagram of Solar Active Regions
Kostas Tziotziou, Manolis K. Georgoulis, Nour-Eddine Raouafi

Non-neutralized Electric Current Patterns in Solar Active Regions: Origin of the Shear-Generating Lorentz Force
Manolis K. Georgoulis, Viacheslav S. Titov, Zoran Mikic

The structure of phase space close to fixed points in a 4D symplectic map
L. Zachilas, M. Katsanikas, P. A. Patsis

A generalized growth index parametrization: Applications to the LamdaCDM using the WiggleZ growth data
Basilakos, S.

Order in de Broglie - Bohm Quantum Mechanics
Contopoulos, G., Delis, N., and Efthymiopoulos, C.

(To appear in J. Phys. A.: Math. Theor. pp 1-23)

On Our Ability to Predict Major Solar Flares
Georgoulis, M.K.

(To appear in Astroph. Space Sci. Proc. V. N. Obridko, K. Georgieva, Yu. A. Nagovitsyn, Eds.)

A Consistent Comparison of Bias Models using Observational Data
A. Papageorgiou, M. Plionis, S. Basilakos, C. Ragone-Figueroa

To appear in MNRAS

Instabilities and stickiness in a 3D rotating galactic potential
M. Katsanikas, P.A. Patsis and G. Contopoulos

(to appear in IJBC)

Quantum Vortices and Trajectories in Particle Diffraction
N. Delis, C. Efthymiopoulos and G. Contopoulos

(to appear in an IJBC Special Issue edited by G. Nicolis, M. Robnik, V. Rothos and H. Skokos)

Dynamics and Constraints of the Massive Gravitons Dark Matter Flat Cosmologies
Basilakos, S., Plionis, M., Alves, M. E. S. and Lima, J. A. S.

Using the Noether symmetry approach to probe the nature of dark energy
Basilakos, S., Tsamparlis, M. and Paliathanasis, A.

Hubble expansion and structure formation in the "running FLRW model" of the cosmic evolution
Grande J., Sola, J., Basilakos S. and Plionis M.

Orbits in a non-Kerr Dynamical System
Contopoulos G., Lukes-Gerakopoulos G. and Apostolatos T.A.
(to appear in IJBC Special Issue edited by G. Nicolis, M. Robnik, V. Rothos and H. Skokos)

Structures out of Chaos in barred-spiral galaxies
Patsis P. A.
(Review paper to be published in IJBC)

Dynamical Mechanisms supporting Barred-Spiral Structures
Patsis P. A.
(AApTr 2012, 27, 113)

Chains of rotational tori and filamentary structures close to high multiplicity periodic orbits in a 3D galactic potential
Katsanikas, M., Patsis P. A. and Pinotsis A.
(IJBC, in press)

The structure and evolution of confined tori near a Hamiltonian Hopf Bifurcation
Katsanikas, M., Patsis P. A. and Contopoulos G.
(IJBC, in press)

The Generalized Uncertainty Principle and Quantum Gravity Phenomenology
Farag Ali, A., Das, S., Vagenas, E.C.

(Proceedings of the Eleventh Marcel Grossmann Meeting on General Relativity - World Scientific - in press)


News & Announcements

 

Conferences

 

13th European Solar Physics Meeting (Rhodes, 2011)

First Mediterranean Conference on Classical and Quantum Gravity (Crete, 2009)

Chaos in Astronomy (Athens, 2007)

Galaxies & Chaos: Theories & Observations (Athens, 2002)

 

 

 

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