Member of editorial boards:
Advances in Mathematical Science and Applications, since January 1991.
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid since May 1996 [Founder and first Editor-in-Chief of RACSAM (Serie A: Matemáticas) from 2001 to 2004]
Differential Equations Journal, since January 2001.
and Integral Equations, since October 2001.
Journal of Mathematical and Physical Sciences, since
The Annals of the University of Craiova - Mathematics and Computer Science since June 2006
Differential Equations and Applications (DEA), since January 2011.
Abstract and Applied Analysis, since July 2012.
Mediterranean Journal of Mathematics (MedJM), since February 2016
* Journal of the European Mathematical Society, from 2003 to 2015.
*Revista Matemática de la Univ. Complutense, from 1987 to 1995.
* Annales de la Faculté des Sciences de Toulouse, from 1991 to 2002.
*La Gaceta de la Real Sociedad Matemática Española, from 1998 to 2002.
*Journal Interfaces and free boundaries: Modelling, Analysis and Computation, from 1997 to 2003.
*Matemáticas Aplicadas, Santiago de Chile (Chile), from 1987 to 2007.
*Publicacions Matematiques, from 1987 to 2008.
*Nonlinear Analysis: Theory and Applications (Series A: Theory and Methods), from May 2002 to January 2010.