3 papers
math.RT2025
Strongly Hopfian and Co-Hopfian Acts over Monoids: Structure and Characterizations
Ali Madanshekaf, Farideh Farsad
In this paper, we introduce and explore new classes of S-acts over a monoid S, namely, strongly Hopfian and strongly co-Hopfian acts, as well as their weaker counterparts, Hopfian…
math.RT2015
On the Generators in the Category of Actions of Pomonoids on Posets and its Slices
Farideh Farsad, Ali Madanshekaf
Let be a pomonoid, in this paper, {\bf Pos}-, the category of -posets and -poset maps, is considered. First, we characterize some pomonoids on which all projectives in…
math.CT2014
Weak Factorization System for Actions of Po-monoids on Posets
Farideh Farsad, Ali Madanshekaf
Let be a pomonoid. In this paper, {\bf Pos}-, the category of -posets and -poset maps, is considered. One of the main aims of this paper is to draw attention to the no…