1- Some remarks on primal ideals over semigroups, 37th Annual Iranian Mathematics Conference September 2-5, 2006, Tabriz, Iran.

2- Some remarks on weakly primal ideals, 18th Iranian seminar On algebra, 4-5 April 2007, Damghan, Iran.

3- Zero-divisor graphs with respect to primal ideals, 19th Iranian seminar on algebra, March 1213, 2008, Semnan, Iran.

4- Some remarks on zero-divisor graphs, Warsaw University, 24 May, 2007, Poland.

5- Some remarks on ideal-based zero-divisor graphs, XIV-th international conference on Mathematics, informatics and related elds, November 2008, Utrzyky Dolne, Poland.

6- Some annihilator conditions in commutative rings, 20th Seminar on Algebra, Tarbiat Moallem University, April 2009, Tehran, Iran.

7- Almost primal ideals, 40th Annual Iranian Mathematics Conference, 17-20 August 2009, Sharif University of Technology, Tehran, Iran.

8- Characterization of the diameter of ideal-based zero-divisor graphs, XV-th international conference on Mathematics, informatics and related elds, November

2008, Naleczow, Poland.

9- Some new classes of ideals in subtraction algebras, International conference on algebras and lattices, June 2010, Prague, Czech republic.

10- On weakly prime ideals in commutative rings, 7th seminar on commutative algebra and related topics, December 1-2, IPM, Tehran, Iran.

11- On the diameter of 􀀀I (R), Third Algebraic Combinatorics Conference of Iran, February 24-25, 2011, University of Isfahan, Isfahan, Iran.

12- Zero-divisor graph with respect to ideals in commutative rings, 7th Slovenian International Conference on Graph Theory, June 19-25, Bled, Slovenia.

13- Topologies on Cl:Specg(M), International Conference on Applied Analysis and Algebra, June 29- July2, 2011, Istanbul, Turkey.

14- L-fuzzy ideal theory, The 4th Mathematics Annual National Conference of PNU, September 26-29, 2011, Ardabili, Iran (Joint with G. Ghasemi).

15- Nice generalizations of fuzzy prime ideals in semirings, The 4th Mathematics Annual National Conference of PNU, September 26-29, 2011, Ardabili, Iran.(Joint with A. Hashempoor).

16- New generalizations of prime submodules, The 4th Mathematics Annual National Conference of PNU, September 26-29, 2011, Ardabili, Iran (Joint with F.

Soheilnia).

17- The spectrum of classical prime L-submodules, 5th workshop of algebraic hyperstructures and fuzzy mathematics, November 16-17, 2011, Babolsar, Iran. 

18- Generalizations of zero-divisor graphs in noncommutative rings, The First Conference on Combinatorics and its Applications, May 18-19, 2012, Khansar, Iran.

19- A new approach to subacts of acts, Groups and Their Actions, July 9-13, 2012, Bedlewo, Poland.

20- Classical Prime Subhypermodules, S. Fathiye and A. Yousean Darani, Second Seminar on Algebra and its Applications, August 31-September 01, 2012, Ardabil, Iran.

21- On The Spectrum of Classical Prime Subhypermodules, S. Ebrahimian and A. Yousean Darani, Second Seminar on Algebra and its Applications, August 31-September 01, 2012, Ardabil, Iran.

22- Generalizations of Prime Ideals in Semirings, International Conference on Applied and Pure Mathematics, November 1-3, 2013, Iasi, Romania.

23- On Phi-Noetherian modules, Joint Conferences on Algebra, Logic and Number Theory, June 8-13 2014, Bedlewo, Poland.