Research Interests:

Combinatorics: Graph Colorings, Topological Combinatorics, The Probabilistic

Method, Algebraic Graph Theory, and their interconnections.

Academic Background:

Ph.D. Sharif University of Technology, Tehran, Iran.

Doctor of Philosophy in Mathematics, June, 1999.

Title of Thesis:

A study of some properties of graphs using associated Stanley-Reisner rings.

Supervisor: Professor E.S. Mahmoodian.

B.S. Sharif University of Technology, Tehran, Iran.

Bachelor of Science in Mathematics, June, 1994.

Professional Experiences:

Shahid Beheshti University(SBU), Tehran, Iran.

Department of Mathematical Sciences: Professor

Teaching courses in undergraduate and graduate level. Including:

Discrete Mathematics, Graph Theory, Stochastic Processes,

Differential Equation, Combinatorics, Probabilistic Methods in

Combinatorics, Algebraic Graph Theory, Problem Solving Through

Problems, Linear Algebra, General Mathematics (2002--present).

Technical University of Denmark, Lyngby, Denmark.

Department of Applied Mathematics & Computer Science: Postdoctoral

Fellowship, (2013-2015).

National Sun Yat-sen University, Kaohsiung, Taiwan.

Department of Mathematics: Postdoctoral Fellowship(2000-2001).

Institute for Studies in Theoretical Physics and Mathematics, Tehran, Iran.

Department of Mathematics: Postdoctoral Fellowship(1999-2000).

Work Experiences:

Teaching for the Training Sections of Iranian Team for International

Mathematics Olympiad(IMO), (1997, 2000).

Organizing and Teaching the Training of the ``Mathematics Competition

for Undergraduate University Students'' in Sharif University of Technology

and Shahid Beheshti University. This Competition is Held Annually by

the Iranian Mathematical Society, and the Participants are the Distinguished

Students from the Universities Throughout the Country (1993-2002).

Administrative Responsibilities:

Manager of Research Affairs of Shahid Beheshti University, 2015-2017.

Vice Dean of Research Affairs, Department of Mathematical Sciences,

Shahid Beheshti University, 2010-2012.

Vice Dean of Academic Affairs, Department of Mathematical Sciences,

Shahid Beheshti University, 2008-2010.

Manager of Group of Computer Science, Department of Mathematical Sciences,

Shahid Beheshti University, 2003--2007.

Professional Affiliations:

Iranian Mathematical Society(1999--present).

Editor of: Bulletin of Iranian Mathematical Society (2004--2010 & 2016--present).

Editor of: ISeCure, Bulletin of Iranian Cryptology Society (2008--2016).

Fellowships and Grants:

Program: Graphs, Hypergraphs, and Computing, Institut Mittag-Leffler,

The Royal Swedish of Academy of Science, Sweden, April 2014.

Sabbatical Leave, Zurcih University, Switzerland, 2007.

Postdoctoral Fellowship, National Sun Yat-sen University, Taiwan, 2000--2001.

Postdoctoral Fellowship, Institute for Theoretical Physics and Mathematics, Iran, 1999--2000.

International Center for Theoretical Physics (ICTP), Trieste, Italy, March 1995.

Department of Mathematics, Institute for Theoretical Physics and Mathematics, Iran, 1995--1998.

Talks:

Chromatic Number Via Turan Number, IPM Combinatorics and Computing Conference 2015, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran, April 29-30, 2015.

On the Altermatic Numbers of Graphs, Frontiers in Mathematical Sciences

(3rd Conference), Institute for Research in Fundamental Sciences (IPM),

Tehran, Iran, 29 December 2014 - 1 January 2015

Graph Colorings Via The Borsuk-Ulam Theorem, Mathematics Colloquium, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran, October 29, 2014.

On Alternating Chromatic Number, Program: Graphs, Hypergraphs, and Computing, Institut Mittag-Leffler, The Royal Swedish of Academy of Science, Sweden, April 15, 2014.

Visula Cryptography, The Weekly Seminar of Technical University of Denmark, Copenhagen, Denmark, October 23, 2013.

Graph homomorphisms through graph powers, Midsummer Combinatorial Workshop XIX, Prague, Czech Republic, July 29 - August 2, 2013.

On graph powers, 11th Nordic Combinatorial Conference, Stockholm, Sweden, June 17--19, 2013.

Graph powers and graph colorings, Workshop on Graph Theory, Nyborg, Denmark, November 1--4, 2012.

On Cover Free Family, IUT Combinatorics Day, Isfahan University of Technology, Isfahan, Iran, February 23, 2011.

On Nesetril's Pentagon Problem, HOMONOLO 2009 - Workshop on Graph Homomorphisms and Related Topics, Nova Louka, Czech Republic, November 23-27, 2009.

Combinatorial Generalizations of the Borsuk-Ulam Theorem, Workshop On Topological Combinatorics, Shahid Beheshti University, Tehran, Iran, October 21, 2009.

Graph Colorings via the Borsuk-Ulam Theorem, Workshop On Topological Combinatorics, Shahid Beheshti University, Tehran, Iran, October 21, 2009.

Visual Cryptography, 6th International ISC Conference on Information Security and Cryptology, Isfahan University, Isfahan, Iran, October 7-8, 2009.

Graph Homomorphisms and Spectral Conditions, Weekly Seminars of Department of Computer Science, ETH, Zurich, Switzerland, June 7, 2007.

Visual Cryptography, Weekly Seminars of Department of Mathematics, Zurich University, Zurich, Switzerland, April 11, 2007.

Graphs homomorphisms and spectral conditions, Workshop on Graphs, Morphisms and Applications, Barcelona, Spain, September 27-30, 2005

On some application of algebraic topology in combinatorics, Annual Iranian Mathematics Conferences (35th), Chamran University, Ahvaz, Iran, Jan. 25-28, 2005.

On no-homomorphism conditions, Workshop of Combinatorics, Linear Algebra, and Graph Coloring, Institute for Studies in Theoretical Physics and Mathematics, Tehran, Iran, Aug 9-14, 2003.

Sparse H-colorable graphs with large girth, International Congress of Mathematics (ICM 2002), Beijing, China, Aug. 20-28, 2002.

Chromatic Sum and Tabular Graphs (In Memorial of M.L. Mehrabadi), Workshop of Colorings and Homomorphisms, Simon Fraser University, Vancouver, Canada, July 17-28, 2000.

Clique Polynomial, Workshop of Colorings and Homomorphisms, Simon Fraser University, Vancouver, Canada, July 17-28, 2000.

Probabilistic Methods, Weekly colloquium, Institute for Studies in Theoretical Physics and Mathematics, Tehran, 2000.

Homomorphism in Graphs, Weekly colloquium, Institute for Studies in Theoretical Physics and Mathematics, Tehran, Iran, 1999.

Cohen-Macaulay graphs, Weekly colloquium, Institute for Studies in Theoretical Physics and Mathematics, Tehran, Iran, 1999.

Stanley-Reisner Rings, Weekly colloquium, Department of Mathematics, Shahid Beheshti University of Technology, Tehran, Iran, 1998.

Tabular Graphs, Department of Mathematics, Sharif University of Technology,

Tehran, Iran, 1998.

Algebraic Combinatorics, Weekly colloquium, Department of Mathematics, Sharif University of Technology, Tehran, Iran, 1995.

Division Rings, Weekly colloquium, Department of Mathematics, Sharif University of Technology, Tehran, Iran, 19933.