Enumeration of Rosenberg hypergroups. - Irina Cristea; Morteza Jafarpour; Seyed S. Mousavi; Ali Soleymani (Comput. Math. Appl., 2010)

A class of semihypergroups connected to preordered weak Gamma-semigroups. - Morteza Jafarpour; Seyed S. Mousavi; Violeta Leoreanu Fotea (Comput. Math. Appl., 2011)

Enumeration of Varlet and Comer Hypergroups. - Hossien Aghabozorgi; Morteza Jafarpour; Bijan Davvaz (Electron. J. Comb., 2011)

Equivalence relations in semihypergroups and the corresponding quotient structures. - Seyed S. Mousavi; Violeta Leoreanu Fotea; Morteza Jafarpour; H. Babaei (Eur. J. Comb., 2012)

A class of hyperrings connected to preordered generalized Γ-rings. - Morteza Jafarpour; Hossien Aghabozorgi; Bijan Davvaz (Eur. J. Comb., 2015)

On Sperner (semi)hypergroups. - Morteza Jafarpour; Hossien Aghabozorgi; Violeta Leoreanu Fotea (Eur. J. Comb., 2015)

On dihedral hypergroups. - Morteza Jafarpour; Irina Cristea; F. Alizadeh (Eur. J. Comb., 2015)

On left (right) ρ-transitive geometric spaces. - Morteza Jafarpour; Violeta Leoreanu Fotea; M. Hassanzadeh (Eur. J. Comb., 2015)

A method to compute the number of regular reversible Rosenberg hypergroup. - Morteza Jafarpour; Irina Cristea; Ali Tavakoli (Ars Comb., 2016)

Soft intersection hyperstructures: Application in Krasner hyperrings. - Tahereh Zare; Morteza Jafarpour; Filiz Çitak; Hossien Aghabozorgi (J. Intell. Fuzzy Syst., 2019)

Hyperhomographies on Krasner Hyperfields. - Vahid Vahedi; Morteza Jafarpour; Irina Cristea (Symmetry, 2019)

From HX-Groups to HX-Polygroups. - Seyed S. Mousavi; Morteza Jafarpour; Irina Cristea (Axioms, 2024)