Partial pullback complement rewriting. - A. R. Shir Ali Nasab; S. N. Hosseini (Theor. Comput. Sci., 2015)

Pullback in Partial Morphism Categories. - A. R. Shir Ali Nasab; S. N. Hosseini (Appl. Categorical Struct., 2017)

Quotients of Span Categories that are Allegories and the Representation of Regular Categories. - S. N. Hosseini; A. R. Shir Ali Nasab; Walter Tholen; Leila Yeganeh (Appl. Categorical Struct., 2022)