Professional Activities
- Member of the Editorial Board of the Journal of Symbolic Computation.
- Member of the Editorial Team of Maple Transactions.
- Member of the Advisory Board of MEGA conferences.
- Member of the Organizing committee of MEGA 2019 conference.
- Organizer of special sessions at the IMACS-ACA Conference, 1995, 1996, 2014.
- Co-organizer of the Conferences "Encuentros de Algebra Computacional y Aplicaciones" EACA-1995 ( with F. Castro and L. Gonzalez-Vega), EACA-1998 (with M.E. Alonso), EACA2012 (Chair: Carlos Villarino).
- Member of the Local Program Committee of the ICM2006 (International Congress of Mathematicians, Madrid 2006).
- Proceeding Editor of the Conference ISSAC-03 (International Symposium on Symbolic and Algebraic Computation).
- Tutorial Chair of the Conference ISSAC-07 (International Symposium on Symbolic and Algebraic Computation)
- General Chair of the Conference ISSAC-08 (International Symposium on Symbolic and Algebraic Computation).
- Member of the Program Committee of the following ISSAC conferences:
- Program Committee Issac2000
- Program Committee Issac2004
- Program Committee Issac2011
- Program Committee Issac2015
- Member of the Network EACA.
- Member of the Program Committee of the Conference EACA (from 1994 till Nov. 2017).
- Reviewer of ZENTRALBLATT Für MATHEMATIK.
- Reviewer of MATH. REVIEWS.