*
Assistant Professor in Department of Mathematics in Damghan
University (Damghan, Iran)
19982004
*
Associate Professor in Department of Mathematics in Damghan
University (Damghan, Iran)
20042005
*
Associate Professor in Department of Mathematics in Ferdowsi
University of Mashhad (Mashhad, Iran)
20052006
* MR reviewer for
American
Mathematical Society
Memberships:
*
Continuous Member Iranian Mathematical
Society
