2nd International Conference on Nonlinear Analysis and Optimization
May 13-15, 2009, Isfahan, Iran

International Conference on Nonlinear Analysis and Optimization
April 25-27, 2007, Isfahan, Iran
Proceedings published in Vol. 43 No.4 (2009) of the Journal of Global Optimization (Issue editors: N. Hadjisavvas, M. Thera and J. Zafarani).

8th International Symposium on Generalized Convexity and Generalized Monotonicity
July 4-8, 2005, Varese, Italy
Proceedings published by Springer (Eds: I. Konnov, D.T. Luc and A. Rubinov).

7th International Symposium on Generalized Convexity and Generalized Monotonicity
August 27-31, 2002, Hanoi, Vietnam
Proceedings published by Springer (Eds: A. Eberhard, N. Hadjisavvas and D.T. Luc).

International Conference on Advances in Convex Analysis and Global Optimization 
June 5-9, 2000   Pythagorion,  Samos, Greece

Proceedings published by Kluwer Academic Publishers (Eds: N. Hadjisavvas and P. Pardalos).

6th International Symposium on Generalized Convexity/Monotonicity 
August 30 - September 3, 1999   Karlovassi, Samos, Greece 
Proceedings published by Springer-Verlag (Eds: N. Hadjisavvas, J.-E. Martinez-Legaz and J.-P. Penot).

Summer School on Generalized Convexity/Monotonicity 
August 25-28, 1999   Karlovassi, Samos, Greece.

2nd Samos meeting on Cosmology, Geometry and Relativity 
August 31 - September 4, 1998   Pythagorion, Samos, Greece 
Proceedings published by Springer-Verlag.

International Conference on the Teaching of Mathematics 
July 3-6, 1998   Pythagorion, Samos, Greece 
Proceedings published by John Wiley and Sons, Inc.