### Membership in Scientific Society

- The London Mathematical Society, Member, National, 1976/01/01, 1732/03/21
- Senior associate of the International Abdus -Salam center for theoretical physics(ICTP), Member, National, 2002/01/01, 1732/03/21
- The American Mathematical Society , Member, National, 1977/01/01, 1732/03/21
- The executive council and the editor -in-chief of the news letter of the Iranian Mathematical Society, Member, National, 1988/01/01, 1990/01/01
- The national Committe for mathematics Olympiads, Member, National, 1991/01/01, 1995/01/01
- The editorial board of the Bulletin of the Iranian Mathematical Society, Member, National, 1991/01/01, 1996/01/01
- Assciate of International Center for theoretical Physics ,Trieste,Italy, Member, National, 1991/01/01, 1997/01/01
- The Mathematical Association of America , Member, National, 1983/01/01, 1997/01/01
- The executive Council of the Iranian Mathematical Society, Member, National, 1996/01/01, 1998/01/01
- The editorial board of the Farhang va Andisheh Riazy ,Iranian Mathematical Society , Member, National, 1988/01/01, 2000/01/01
- The executive Council of the Iranian Mathematical Society, Member, National, 2003/01/01, 2006/01/01

### Papers in International Journals

- darafsheh, mohammadreza, and moghadam far . "A characterization of some finite groups by their elements orders." Algebra Colloquium 7, no. 4 (1732): 467-476.
- darafsheh, mohammadreza. "Decomposition numbers of certain linear groups." Buulletin of the Iranian Mathematical society -, no. --- (1732): -.
- darafsheh, mohammadreza. "Maximal subgroups of PSLn ( q ) ,q=pm,p prime,which contain a Sylow p - subgroup." Bolletino dell Unione Matematica Italiana -, no. 3 (1983): 351-353.
- darafsheh, mohammadreza. "Maximal subgroups of the group GL6 - 2." Bulletin of the Malaysian Mathematical Sciences Society 7, no. 2 (1984): 55-49.
- darafsheh, mohammadreza. "Maximal 2 - locat subguoups of C1." BULLETIN OF THE IRANIAN MATHEMATICAL SOCIETY 11, no. 1 (1984): 1-18.
- darafsheh, mohammadreza. "on some characters of GLn ( 2 )." Journal of Pure and Applied Algebra 35, no. --- (1985): 247-252.
- darafsheh, mohammadreza. "Computing the irreducible characters of the group GL6(2)." Mathematics of Computation 46, no. 137 (1986): 301-319.
- darafsheh, mohammadreza. "On a certain permutation character of the general linear group." Communications in Algebra 14, no. 7 (1986): 1343-1355.
- darafsheh, mohammadreza. "Characters of the automorphism group of the group GL6 ( 2 )." Journal of Algebra 108, no. 1 (1987): 256-268.
- darafsheh, mohammadreza. "Finite simple groups." Payk -Riazi 2, no. 3 (1987): 229-241.
- darafsheh, mohammadreza. "On commutative non - associative algebras associated with a group of automorphisms of a 2 - design." Communications in Algebra 17, no. 8 (1989): 1885-1899.
- darafsheh, mohammadreza. "Maheiu groups." Nashr-i-Riazi -, no. 1-2 (1990): 13-22.
- darafsheh, mohammadreza. "Dexomposition numbers of certain linear groups." BULLETIN OF THE IRANIAN MATHEMATICAL SOCIETY 18, no. 1 (1992): -.
- darafsheh, mohammadreza, M Rajabi Tarkhorani , and S Abbasbandi . "The t - designs on 13 points with a primitive group of order 78 as a group of automorphism." Inst.Math.&Comp.Sci.(math.Ser.) 5, no. 2 (1992): 171-180.
- , Ali Reza Ashrafi, and mohammadreza darafsheh. "( p,q,r ) Generations and nX - Complementary Generations of the Thompson Group Th." Journal of Algebra 1, no. 304 (1993): 101-109.
- , M Rajabi Tarkhorani, and mohammadreza darafsheh. "An explicit isomorphism between a symplectic group and a symmetric group." Southeast Asian Bulletin of Mathematics 18, no. 1 (1994): 19-25.
- darafsheh, mohammadreza, M Rajabi Tarkhorani , and Abbas Daneshkhah . "Irreducible complex characters of the full affine group." International Journal of Algebra and Computation 5, no. 1 (1995): -.
- darafsheh, mohammadreza. "P - steinberg chsracter of alternating and projective special linear groups." Journal of Algebra 181, no. 1 (1996): 196-206.
- darafsheh, mohammadreza. "On a permutation character of the group GLn ( q )." journal of science of the univercity of Tehran Int.Ed.i 1, no. --- (1996): 69-75.
- darafsheh, mohammadreza, and Z Mostaghim . "computation of the complex characters of the groups Aut ( GL7 ( 2 ) )." Journal of Computational and Applied Mathematics 4, no. 1 (1997): 193-210.
- darafsheh, mohammadreza. "some conjugacy classes in groups associated with the general linear groups." Algebras Groups and Geometries 15, no. --- (1998): 183-199.
- darafsheh, mohammadreza. "Affine subgroup of the classical groups and their charcater degrees." Journal of Science, Islamic Republic of Iran 9, no. 2 (1998): 181-186.
- darafsheh, mohammadreza, and M R Pournaki . "On the dimentions of cyclic symmetry classes of tensors." Journal of Algebra 205, no. 1 (1998): 325-317.
- darafsheh, mohammadreza, and NS Poursalavati . "Orthogonal basis of the symmetry classes of tensors associated with the direct product of permutation groups." Pure Mathematics and Application 10, no. 3 (1999): 241-248.
- darafsheh, mohammadreza, and A Rahnamaei . "Dual properties in table algebras." Italian Journal of Pure and Applied Mathematics 6, no. --- (1999): 73-80.
- darafsheh, mohammadreza, and F Noworoozi Larki . "Equivalence classes of matrices in GL2(q) and SL2(q." Computational and Applied Mathematics 6, no. 2 (1999): 331-344.
- darafsheh, mohammadreza, and A R BARGHI . "Composition series in C - algebras." Algebra Colloquium 6, no. 2 (1999): 125-132.
- darafsheh, mohammadreza, and B Davvaz . "Hv - rings of fractions." Italian Journal of Pure and Applied Mathematics 5, no. --- (2000): 25-34.
- darafsheh, mohammadreza, and AR Moghaddamfar . "A characterization of groups related to the linear groups PSL ( n,2 ) , n= 5,6,7,8." Pure Mathematics and Application 11, no. 4 (2000): 629-637.
- , A Rahnamaei Barghi, and mohammadreza darafsheh. "Towards a clsassification of integral table algebras of degree five." Beitrage zur Algebra und Geometrie 41, no. 1 (2000): 33-47.
- darafsheh, mohammadreza, and N S Poursalavati . "Some results on the orthogonal basis of a symmetry class of tensors." Pure Mathematics and Application 11, no. 1 (2000): 41-33.
- darafsheh, mohammadreza. "On some permutation character of the finite symplectic group." Hadromic Jourmal 23, no. 4 (2000): 425-438.
- darafsheh, mohammadreza, K Mallahi , and MR Pournaki . "A note on Cayley - Hamilton theorem for generalized matrix function." Pure Mathematics and Application 11, no. 4 (2000): 553-557.
- , Moham Reza Pournaki, and mohammadreza darafsheh. "On the orthogonal basis of the symmetry classes of tensors associated with the dicyclic group." Linear and Multilinear Algebra 47, no. --- (2000): 149-137.
- darafsheh, mohammadreza, and MR Pournaki . "Computation of the dimensions of symmetry classes of tensors associated with the finite two dimensional projective special linear group." Applicable Algebra in Engineering, Communications and Computing 10, no. 3 (2000): 237-250.
- darafsheh, mohammadreza, M Ghorbany , Abbas Daneshkhah , and H Behravesh . "Non - Vanishing and Orthogonal Basis of Symmetry Classes of Tensors." Southeast Asian Bulletin of Mathematics 24, no. 4 (2000): 525-531.
- darafsheh, mohammadreza, and F Nowroozi Larki . "The character table of the group GL2 ( q ) when extended by an automorphism of order two." Korean Journal of Computational and Applied Mathematics 7, no. 3 (2000): 654-643.
- darafsheh, mohammadreza, alireza Ashrafi , and G A Moghani . "( 2p q ) generations of the Conway's group Co1." Kumamoto journal of mathematics 13, no. --- (2001): 1-20.
- darafsheh, mohammadreza, and G R Rezaeezadeh . "Facteorization of groups involving symmetric and alternating groups." International Journal of Mathematics and Mathematical Sciences 27, no. 3 (2001): 167-161.
- , Abbas Daneshkhah, H Behraves , M Ghrobany , and mohammadreza darafsheh. "The rational character table and quasi - permutation representations of the group PGL ( 2,q )." Italian Journal of Pure and Applied Mathematics 11, no. --- (2001): 9-18.
- darafsheh, mohammadreza. "Product of the symmetric group with the alternating group on seven letters." Quasigroups and related systems 9, no. --- (2002): 33-44.
- darafsheh, mohammadreza, and NS Karamzadeh . "A characterization of groupsPSL ( 3, q ) by their element orders for certainq." Journal of Computational and Applied Mathematics 9, no. 2 (2002): 409-421.
- , khademi m, and mohammadreza darafsheh. "On some permutation modules of the general linear groups." Algebras Groups and Geometries 20, no. 2 (2003): 125-139.
- , M ghrobany, and mohammadreza darafsheh. "Quasi-permutation representation of the groups SU(3,q2),and PSU(3q2)." Southeast Asian Bulletin of Mathematics 26, no. --- (2003): 406-395.
- , GL Walls, and mohammadreza darafsheh. "Groups which are theh product of S6 and a simple guoup." Algebra Colloquium 10, no. 2 (2003): 195-204.
- , A R Ashrafi, and mohammadreza darafsheh. "Generating pairs for the sporadic group RU." Journal of Applied Mathematics and Computing 12, no. 1&2 (2003): 143 - 154 .
- darafsheh, mohammadreza. "Finite groups which factor as product of an alternating group and a symmetric group." Communications in Algebra 32, no. 2 (2004): 637-647.
- darafsheh, mohammadreza, A R Moghaddamfar , and Ali Reza Zokayi . "A RECOGNITION OF SIMPLE GROUPS PSL ( 3, q ) BY THEIR ELEMENT ORDERS." Acta Mathematica Scientia 21, no. 1 (2004): 45-51.
- , A R Moghaddamfar, and mohammadreza darafsheh. "A Family of Finite Simple Groups Which Are 2 - Recognizable by Their Elements Order." Communications in Algebra 32, no. 11 (2004): 4507-4513.
- , G A Moghani , Ali Reza Ashrafi , and mohammadreza darafsheh. "nX - complementary generations of the sporadic group O'Nan." Southeast Asian Bulletin of Mathematics 28, no. 6 (2004): 1011-1019.
- darafsheh, mohammadreza, and A Mahmiani . "Factorizable Non - simple groups which factor as product of the linear fractional groups and the symmetric groups." Southeast Asian Bulletin of Mathematics 4, no. 28 (2004): 611-614.
- , moghadamfar a r, A R Zokayi , and mohammadreza darafsheh. "On characherizability of the authomorphism group by their element orders." Acta Mathematica Sinica, English Series 20, no. 4 (2004): 662-653.
- darafsheh, mohammadreza, and GM Moghani . "nX-complementary generations of the sporadic group He." Italian Journal of Pure and Applied Mathematics -, no. 16 (2004): 145-154.
- darafsheh, mohammadreza, and M Ghorbany . "Special representations of the group SP ( 4,q )." Acta Mathematica Hungarica 102, no. 4 (2004): 287-296.
- , SharifiYazdi, and mohammadreza darafsheh. "Frobenius Q - groups." Archiv der Mathematik 83, no. 2 (2004): 102-105.
- darafsheh, mohammadreza, Y Farjami , and ali reza Ashrafi . "Symmetries of weighted complete graph s of tetranitrocubane and octanitrocubane." MATCH 54, no. 2 (2005): -.
- darafsheh, mohammadreza, Y Farjami , M Khademi , and A R Moghaddamfar . "Some results on the characterizabklity of the linear groups over the binary field." Commentationes Mathematicae Universitatis Carolinae 46, no. 4 (2005): 600-589.
- darafsheh, mohammadreza, Y Farjami , and A R Ashrafi . "Computing the Full Non-Rigid Group of Tetranitrocubane and Octanitrocubane Using Wreath Produc." MATCH -, no. 54 (2005): 53-74.
- darafsheh, mohammadreza, Ali Reza Ashrafi , and Arash Darafsheh . "Group theory for tetramethylethylene." Acta Chimica Slovenica 52, no. --- (2005): 282-287.
- darafsheh, mohammadreza, and Y Farjami . "A quantitative characterization of the linear group in dimension eleven over the binary field." Algebras Groups and Geometries 22, no. 1 (2005): 37-48.
- darafsheh, mohammadreza, and A R Moghaddamfar . "finite groups which are the product of L ( 2,7 ) or L ( 2,8 ) with a symmetric group." Algebra Colloquium 12, no. 1 (2005): -.
- darafsheh, mohammadreza, Y FARJAMI , and alireza ASHRAFI . "The non - rigid group of tetraamine platinum ( II ) as a wreath product." Bulletin of the Chemical Society of Japan 78, no. 6 (2005): 996-1000.
- darafsheh, mohammadreza. "Factorization of simple groups involving the alternating group." Quasigroups and related systems 13, no. --- (2005): 203-211.
- darafsheh, mohammadreza, Ali Reza Ashrafi , and Arash Darafsheh . "Computing the full nonrigid group of tetra - tert - butyltetrahedrane using wreath product." International Journal of Quantum Chemistry 105, no. 5 (2005): 485-492.
- , AR Moghaddamfar, Ali Reza Zokayi , and mohammadreza darafsheh. "a characterization of finite simple groups by the degree of vertices of their prime graphs." Algebra Colloquium 12, no. 3 (2005): 431-442.
- darafsheh, mohammadreza. "Order of elements in the groups related to the general linear group." Finite Fields and their Applications 11, no. 4 (2005): 738-747.
- darafsheh, mohammadreza, and Arash Darafsheh . "Computation of the character table for p - Xylene." Match 56, no. 2 (2006): 271-278.
- darafsheh, mohammadreza, Ali Reza Moghaddamfar , and Ali Reza Zokayi . "The Characterization of PGL ( 2,p ) for some p by their element orders." International Mathematical Forum , no. 37 (2006): 1833-1840.
- , Negar Shahni Karamzadeh, Ali Reza Moghaddamfar , and mohammadreza darafsheh. "Relation between Frobenius and 2 - Frobenius groups with order components of finite groups." Journal of Applied Mathematics and Computing 21, no. 2 (2006): 437-450.
- , Krishnan Balasubramanian, mohammadreza darafsheh, Ali Reza Ashrafi , and Arash Darafsheh . "The full non - rigid group of hexamethylbenzene using wreath product." CHEMICAL PHYSICS LETTERS -, no. --- (2006): -.
- darafsheh, mohammadreza, A Iranmanesh , and R Kahkeshani . "Designs from the groups PSL2 ( q ) for certain q." Designs, Codes, and Cryptography 32, no. 3 (2006): 297-306.
- darafsheh, mohammadreza, Yaghoub FARJAMI , and Ane galdi MAHMIANI . "recognition of the linear groups over the binary field by the set of their element orders." Acta Mathematica Vietnamica 33, no. 1 (2007): 27-39.
- darafsheh, mohammadreza, Arash Darafsheh , and Ali Reza Ashrafi . "Nonrigid group theory for 1,3,5 - trimethylbenzene." International Journal of Quantum Chemistry 107, no. 2 (2007): 344-340.
- darafsheh, mohammadreza, Yaghoub Farjami , and Abdollah Sadrudini . "A characterization property of the simple group PSL ( 4,5 ) by the set of its element orders." Archivum Mathematicum 43, no. 1 (2007): 31-37.
- darafsheh, mohammadreza. "on non - isomorphic groups with the same set of order components." Journal of the Korean Mathematical Society 45, no. 1 (2007): 137-150.
- darafsheh, mohammadreza, and Hessame din Sharifi . "Sylow 2 - subgroup of solvable Q - groups." Extracta mathematica 22, no. 1 (2007): 83-91.
- darafsheh, mohammadreza, alireza Ashrafi , and arash Darafsheh . "Non - rigid group theory for 2,3 - dimethylbutane." Match 58, no. 1 (2007): 47-57.
- darafsheh, mohammadreza, and Aneh galdi Mahmiani . "A quantitative characterization of the linear group Lp+1 ( 2 ) where p is a prime number." Kumamoto journal of mathematics 20, no. --- (2007): 33-50.
- darafsheh, mohammadreza, d Y Farjami , A R Ashraﬁ , and M Hamadanian . "Full non - rigid group of sponge and pina." Journal of Mathematical Chemistry 41, no. 3 (2007): 326-315.
- , M Khademi, and mohammadreza darafsheh. "Simple groups which are product of the linear fractional group with the alternating or the symmetric group." Hadronic Journal -, no. --- (2007): 301-311.
- darafsheh, mohammadreza, Ali Reza Ashrafi , and Maryam Khademi . "some designs related to group actions." Ars Combinatoria 86, no. --- (2008): -.
- darafsheh, mohammadreza, Y Farjami , and M Khademi . "The simple group L ( 12,2 ) is characterizable by its element orders." Italian Journal of Pure and Applied Mathematics 21, no. --- (2008): 27-34.
- , Sheykhan M, Heydari A , Ma mani L , Badiei A , mohammadreza darafsheh, ALI REZA ASHRAFI , and ARASH DARAFSHEH . "The symmetry group of non - rigid Tetramethylsilane." International Journal of Quantum Chemistry 108, no. 3 (2011): 440-446.
- nosratpour, parivash, and mohammadreza darafsheh. "recognition of the group G(2,5) by the prime graph." journal of linear and topological algebra 1, no. 2 (2012): 105-109.
- , , and mohammadreza darafsheh. "od-characterization of almost simple groups related to U(3,11)." journal of linear and topological algebra 1, no. 1 (2012): 27-32.
- darafsheh, mohammadreza, and reza mohammadyari. "the PI index of polyomino chains of 2k-cycles." Acta Applicandae Mathematicae 22, no. 1 (2013): 89-94.
- darafsheh, mohammadreza, and . "characterization of the symmetric group by its non-commuting graph." international journal of group theory 2, no. 2 (2013): 47-72.
- yousefiazarinejad, Hassan, mohammadreza darafsheh, and Alireza Ashrafi. "Remarks on the Wiener index of unicyclic graphs." Journal of Applied Mathematics and Computing 41, no. 1-2 (2013): 49-59.
- aliabadi, mohsen, and mohammadreza darafsheh. "on maximal and minimal linear matching property." Algebra and Discrete Mathematics 15, no. 2 (2013): 174-178.
- darafsheh, mohammadreza, and masoumeh sajjadi. "OD-characterization of almost simple groups related to ^2E_6(2)." advances in algebra 6, no. 1 (2013): 45-54.
- darafsheh, mohammadreza, gholamreza rezaeezadeh, masoumeh sajjadi, and masoumeh bibak. "OD-characterization of almost simple groups related to U(3,17)." Quasigroups and related systems 21, no. 1 (2013): 49-58.
- darafsheh, mohammadreza, and sajjad mahmood robati. "products of conjugacy classes and products of irreducible characters in finite groups." Turkish Journal of Mathematics 37, no. 5 (2013): 607-616.
- nosratpour, parivash, and mohammadreza darafsheh. "characterization of G_2(q),where 2
- darafsheh, mohammadreza, and sajad mahmoud robati. "On Products of Irreducible Characters and Products of Conjugacy Classes in Finite Groups." Communications in Algebra 41, no. 8 (2013): 2879-2883.
- darafsheh, mohammadreza, M.H Khalifeh, and hasan jolany. "the hyper-wiener index of one-pentagonal carbone-nanocone." CURRENT NANOSCIENCE 9, no. 5 (2013): 557-560.
- darafsheh, mohammadreza, gholamreza rezaeezadeh, and mohammadreza dehghan koruki. "non-factorizable groups." Italian Journal of Pure and Applied Mathematics 31, no. 2 (2013): 43-48.
- , , and mohammadreza darafsheh. "characterization of the group D(p,5) by order components,where p>=5 is a prime number." Southeast Asian Bulletin of Mathematics 37, no. 2 (2014): 867-885.
- nosratpour, parivash, and mohammadreza darafsheh. "OD-characterization of all finite non-abelian simple groups with orders having prime divisors at most 13." Siberian Mathematical Journal 55, no. 4 (2014): 658-666.
- Rezaddzadeh, G.R, mohammadreza darafsheh, , and maryam bibak. "OD-characterization of almost simple groups related to L(3,25)." BULLETIN OF THE IRANIAN MATHEMATICAL SOCIETY 40, no. 3 (2014): 765-790.
- darafsheh, mohammadreza, and sajad mahmoud robati. "product of conjugacy classes in certain p-groups." international journal of mathematics , game theory and algebra 22, no. 3 (2014): 241-251.
- , , and mohammadreza darafsheh. "on od-characterizability of a certain alternating and symmetric group." Italian Journal of Pure and Applied Mathematics 32, no. 1 (2014): 7-14.
- darafsheh, mohammadreza, and sajad mahmoud robati. "poiwers of irreducible characters and conjugacy classes in finite groups." Journal of Algebra and its Applications 13, no. 8 (2014): 1-9.
- , , and mohammadreza darafsheh. "topological indices of the bipartite Kneser graph H(n,k)." Filomat 28, no. 10 (2015): 1989-1996.
- rezaeezadeh, gholamreza , mohammadreza darafsheh, masoumeh bibak, and M. Sajadi. "OD-characterization of almost simple groups related to D(4,4)." Iranian Journal of Mathematical Sciences and Informatics 10, no. 1 (2015): 23-43.
- alavi, seyed hasan, ashraf daneshkhah, and mohammadreza darafsheh. "On semi-rational Frobenius groups." Journal of Algebra and its Applications 15, no. 02 (2015): 1650033.
- rezaeezadeh, gholamreza, mohammadreza darafsheh, and seyed ebrahim mirdamadi. "finit simple groups which are the products of symmetric or alternating groups with L(3,4)." international journal of group theory 5, no. 5 (2016): 11-16.
- jahandideh, maryam, mohammadreza darafsheh, and N???? Shirali. "COMPUTATION OF TOPOLOGICAL INDICES OF NON-COMMUTING GRAPHS." Italian Journal of Pure and Applied Mathematics 34, no. 1 (2016): 299-310.
- darafsheh, mohammadreza, and majid abdollahi. "Normal edge-transitive Cayley graphs on certain groups of orders 4n and 8n." Quasigroups and related systems 24, no. 1 (2016): 17-23.

### Papers in National Journals

- , A Iranmanesh, and mohammadreza darafsheh. "Computation of the character table of affine groups using Fischer matrices." London Math Soc. Lecture Note Ser 1, no. 211 (1995): 131-137.
- darafsheh, mohammadreza. "constraction of the character table of the hyperoctahedral group." Rivista Matematica Pura Applicata 17, no. - (1996): 82-71.
- darafsheh, mohammadreza, and m ghorbani . "Quasi - Permutation representation of the groups SU - 3,q2, and PSL 3,q2." Iranian Journal of Science and Technology A:Science 26, no. A1 (2002): 145-154.
- darafsheh, mohammadreza, ali reza ashrafi , and GM Moghani . "p,q,r - generations of tje s[pratoc group O,N." London Math Soc. Lecture Note Ser 1, no. 304 (2003): 101-109.
- darafsheh, mohammadreza, and emad zahedi. "powers of irreducible characters of finite groups." journal of advanced mathematical modeling 1, no. 2 (2013): 19-27.
- darafsheh, mohammadreza, mehrdad namdari, and sara shokrolahi. "the topological indices of some dendrimer group." Iranian Journal of Mathematical Chemistry 8, no. 1 (2016): 25-36.

### Presented Papers in International Conferences

- darafsheh, mohammadreza. "Some maximal subgroups of the Conway's grouup Co1." 11th Annual iranian mathematics Conference, Mashhad, April 21-22, 1980 .
- darafsheh, mohammadreza. "On some characters of certain Iinear groups." 15th Annual Iranian Mathematics Conference, Shiraz, April 21-22, 1984 .
- darafsheh, mohammadreza. "Characters of automorphism group of a certain Iinear group." 2nd Nathonal Algebra seminar, Kashan, April 21-22, 1987 .
- darafsheh, mohammadreza. "Modular characters of finite groups." 4th national Algebra seminar, Mashhad, April 21-22, 1988 .
- darafsheh, mohammadreza. "On commutative non-associative algebras associated with a group of automorphism of a 2 design." 19th Annual iranian Mathematics Conference, Rasht, April 21-22, 1988 .
- darafsheh, mohammadreza. "Moonshine for certain groups." 6th Nathonal Algebra seminar, Tehran, April 21-22, 1989 .
- darafsheh, mohammadreza. "Short communication presented at the International Congress of Mathematicians." International Congress of Mathematicians, Kyoto, April 21-22, 1990 .
- darafsheh, mohammadreza. "Fischer Matrices characl tables." European congress of Mathematiciants, Paris, April 21-22, 1992 .
- darafsheh, mohammadreza. "Fischer matrices and charater table." 23th Annual Iranian Mathematics Conference, Kermanshah, April 21-22, 1992 .
- darafsheh, mohammadreza. "Degree problem in finite group theory." 24th Annual Iranian Mathematics Conference, Tehran, April 21-22, 1993 .
- darafsheh, mohammadreza, and Ahmad Ashouri. "The caracter tble of certain automorhism group." 26th Annual Iranian Mathematics conference Iranian, Kerman, April 21-22, 1995 .
- darafsheh, mohammadreza. "Geometric Charaters of the genarel linear groups." Invited talk presented at the I.R.B .International workshops, Monteroduni, September 30-3, 1995 .
- darafsheh, mohammadreza. "On the p-steinberg characters of some finite simple groups." 27th Annual Iranian Mathematics conference, Shiraz, April 20-21, 1996 .
- darafsheh, mohammadreza, and . "The problem of intervals in the subgroup lattice of a finite group." 27th Annual Iranian Mathematics conference, Shiraz, April 20-21, 1996 .
- darafsheh, mohammadreza. "Geometric characters of general linear group." procciding of New Frontiers Hyperstructurs,, April 21-22, 1997 .
- darafsheh, mohammadreza. "The characters and congugacy classes in the extension of the general linear group by the transpose - inverse involution." Proceedings of the 28th Annual Iranian Mathematics Conference, Tabriz, April 21-22, 1997 .
- darafsheh, mohammadreza. "The character tables of the group GL2(q) when extended by a certain group of order two." 4th international confrence theory of Groups , Grou , Korea 98 , Pusan korea,, January 1-2, 1998 .
- darafsheh, mohammadreza. "On the p-steinber characters of some fini simple group." proceedivg of the Second Asian Mathematical confrence,, January 1-2, 1998 .
- darafsheh, mohammadreza. "Characters and conjuge classes in the extension of general linear grou by transpose - inverese involution." Groups st.Andrews 98 in Bath,Univecity of Bth England,, April 21-22, 1998 .
- darafsheh, mohammadreza. "The character table of the grup GL2 P when extended by a certain group of order two." Short Communications presented at ICM 98, Berlin, September 9-18, 1998 .
- darafsheh, mohammadreza. "Geometric chracters of the classical groups." 11th National algebra seminar, Isfahan, April 21-22, 1999 .
- darafsheh, mohammadreza. "p,q,r- Generations of the Conway group Co1 for p > 5." 31st Annual Iranian Math .Conference, Tehran, April 20-21, 2000 .
- darafsheh, mohammadreza. "Factorizations of finite groups." 33rd Annual Iranian Mathematics Conference, Mashhad, April 21-22, 2002 .
- darafsheh, mohammadreza. "Factorization of finite groups as product of L2 q and a symmetreic group." ICM Satellite conference in Algebra and related topics, Hong Kong, September 5-8, 2002 .
- darafsheh, mohammadreza. "Factorizations of finite groups." ICM 2002, Beijing, September 10-20, 2002 .
- darafsheh, mohammadreza. "On recognition property of the projective special linear group over GF 3." Joint meeting of AMS, Special session on Groups , Representations and Character Theory, San Diego, January 26-29, 2008 .
- darafsheh, mohammadreza. "classifying groups with exactly two conjugacy classes of the same order." international conference on group theory,, June 16-20, 2013 .
- darafsheh, mohammadreza. "quantitative characterization of the projective special linear group." groups,group rings and related topics, Dubai, October 28-31, 2013 .
- darafsheh, mohammadreza. "towards classifying finite groups with exactly two conjugacy classes of the same order." Seoul ICM 2014, seoul, August 13-23, 2014 .
- darafsheh, mohammadreza. "On edge-transitivity of Cayley graphs." Biennial InternationalGroup Theory Conference 2017, Kuala Lumpur, January 23-26, 2017 .