175 citations
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Showing 2016 · math.CTShow all
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math.CT2016★ 9 cited
Group-groupoid actions and liftings of crossed modules
Osman Mucuk, Tunçar Şahan
The aim of this paper is to define the notion of lifting of a crossed module via a group morphism and give some properties of this type of the lifting. Further we obtain a criterio…
math.CT2016
Normality and quotient in crossed modules, cat-groups and internal groupoids within groups with operations
Tunçar Şahan, Osman Mucuk
In this paper we define the notions of normal subcrossed module and quotient crossed module within groups with operations; and using the equivalence of crossed modules over groups…