Some Presentations

1. “Existence and Stability of Discrete Breathers in a Triangular Lattice, Olympia”, Greece, July 2004, presentation
2. V. Koukouloyannis and I. Kourakis, "Existence and stability of mulltibreathers iin a dusty plasma crystal", Dynamics Days Europe 2006, Heraclion Crete, September 2006, poster
3. Thomas Tziotzios, Vassilis Koukouloyannis and George Voyatzis, “A study of the stability regions of systems of coupled symplectic maps” , Patras 2007, poster
4. “Existence and Stability of Discrete Breathers in a Hexagonal Lattice. Application in a Dusty Plasma Crystal”, Leiden, The Netherlands, October 2007, presentation, poster
5. I. Kourakis V. Koukouloyannis and P.K. Shukla, "Localized excitations in Debye crystals: a survey of theoretical results", 35th European Plasma Society Conference, Heraklion, Crete, Greece, June 2008, poster
6. V. Koukouloyannis, P.G. Kevrekidis, I. Kourakis, D.J. Frantzeskakis, K.J.H. Law, "Discrete breathers, multibreathers and vortices in 2D dust crystals", 35th European Plasma Society Conference, Heraklion, Crete, Greece, June 2008, poster
7. Existence and Stability of Localized Structures in Hexagonal and Honeycomb Lattices, SIAM Conference on Nonlinear Waves and Coherent Structures (NW08), Rome Italy, July 2008, presentation
8. Multisite Discrete Breathers in 1D and 2D Klein-Gordon lattices, in the Department of Mathematics and Statistics, UMASS, Amherst, 13-04-2009, presentation​​​​​
9. Multibreathers in Klein-Gordon chains with long range interactions, in “Tercentenary of the Laplace-Runge-Lenz vector”, Durban, South Africa, November 23-27 2011, presentation​​​​​