**DOCTORAL DISSERTATIONS**

**Nikos Karachalios,**(October 1995 – February 1999),**Title:***«Asymptotic Behaviour of some Semilinear Hyperbolic Equations in »,*Ph. D. Dissertation, Dept of Mathematics, NTUA, February 1999.**Nikos Zographopoulos,**(October 1996 – February 2000**), Title:***«Bifurcation Results for Quasilinear Elliptic Systems in*Ph. D. Dissertation, Dept of Mathematics, NTUA, February 2000**»***.***Perikles Papadopoulos,**(October 1997–February 2003),**Title:***«Asymptotic Behaviour of some Quasilinear Hyperbolic Equations of Kirchoff Type in »,*Ph. D. Dissertation, Dept of Mathematics, NTUA, February 2003*.***Pavlos Xanthopoulos,**(October 1999 - October 2003),**Title:***«Modeling and Asymptotic Behaviour of some Nonlinear Dispersive Systems in Magnetic Fusion*Ph. D. Dissertation, Dept of Mathematics, NTUA, October 2003**»,***.***Marilena Poulou,**(October 2003 -22th of March 2007),**Title:***«Functional-Analytic Methods in nonlinear stationary and evolutionary problems»*Ph. D. Dissertation, Dept of Mathematics, NTUA, March 2007*.***Stylianos Stavroulakis**(October 2008 - …),**Title:**“Analytic study of a system of*Klein – Gordon – Schrodinger type”,*Dept of Mathematics, NTUA,