2 papers
math.AT2018
On Generalized Covering Groups of Topological Groups
Hamid Torabi, Mehdi Abdullahi Rashid, Majid Kowkabi
It is well-known that a homomorphism p between topological groups K, G is a covering homomorphism if and only if p is an open epimorphism with discrete kernel. In this paper we gen…
math.AT2016
On Semicovering, Subsemicovering and Subcovering Maps
Majid Kowkabi, Behrooz Mashayekhy, Hamid Torabi
In this paper, by reviewing the concept of subcovering and semicovering maps, we extend the notion of subcovering map to subsemicovering map. We present some necessary or sufficien…