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20102026
most citedTopological fundamental groups and small generated coverings

19 citations · 134 across the 64 of their papers we have counts for

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math.GR2017

On Varietal Capability of Infinite Direct Products of Groups

Hanieh Mirebrahimi, Behrooz Mashayekhy

Recently, the authors gave some conditions under which a direct product of finitely many groups is capable if and only if each of its factors is capable…

math.GR2017

On the Order of the Schur Multiplier of a Pair of Finite p-Groups II

Fahimeh Mohammadzadeh, Azam Hokmabadi, Behrooz Mashayekhy

Let be a finite -group and be a normal subgroup of , with and . A result of Ellis (1998) shows that the order of the Schur multiplier of such a p…

math.GR2016

On Relative Central Extensions and Covering Pairs

Azam Pourmirzaei, Mitra Hassanzadeh, Behrooz Mashayekhy

Let be a pair of groups. In this article, first we construct a relative central extension for the pair such that special types of covering pair of are homom…

math.GR2015★ 1 cited

On Nilpotent Multipliers of Pairs of Groups

Azam Hokmabadi, Fahimeh Mohammadzadeh, Behrooz Mashayekhy

In this paper, we determine the structure of the nilpotent multipliers of all pairs of finitely generated abelian groups where admits a complement in . Moreover, som…

math.GR2014

On Varietal Capability of Direct Products of Groups and Pair of Groups

Hanieh Mirebrahimi, Behrooz Mashayekhy

In this paper we give some conditions in which a direct product of groups is capable if and only if each of its factors is capable for some varieties $\…

math.GR2014

On the Exponent of the Schur multiplier of a Pair of Finite -Groups

Fahimeh Mohammadzadeh, Azam Hokmabadi, Behrooz Mashayekhy

In this paper, we find an upper bound for the exponent of the Schur multiplier of a pair of finite -groups, when admits a complement in . As a consequence, we sho…