Other Positions
Member of
CEMAT – Centro de Matemática e Aplicações do Instituto
Superior Técnico (http://cemat.ist.utl.pt/).
ISDE
- International Society of Difference Equations (http://isdeds.com/).
Member of editorial board
International Journal: Mathematical
Manuscripts (http://www.ripublication.com/ijmm.htm)
International
Journal of Mathematics and Computation (www.ceser.res.in/ijmc.com)
Invited editorial board
Advances
in Difference Equations (Special issue on Oscillation of Difference,
Differential, and Dynamic Equations)
International Journal of
Differential Equations (Special Issue on Difference and Differential Equations)
Referee
Applied Mathematical Letters
Electronic Journal of Differential Equations
Scientific
Journals International
Computers and Mathematics with Applications
International
Journal of Mathematics and Computation
Journal
of Inequalities and Applications
Scientific committee of
International
Conference in Dynamical Systems and Applications, July 1–6, 2007,
International
Conference on: Pure and Applied Mathematics, ICPAM’12, May 28-30, 2012,
Organising committee
of
International
Conference in Dynamical Systems and
Applications, July 1–6,
2007,
The 6th International Conference: Dynamical Systems and Applications, July 10-14, 2010,
Chair of
International
Conference on Mathematical Fluid Mechanics and Biomedical Applications, May 31 - June 4, 2011,
International
Conference on Differential & Difference Equations and Applications, July
4-8, 2011,
Symposium on Differential Equations &
Difference Equations 2012, October
27 - November 2, 2012,