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math.CT2000★ 1 cited
Sheaves and Local Subgroupoids
Ilhan Icen
This is an introduction to the notion of local subgroupoid introduced by the author and R. Brown. It can also serve as an introduction to an application of sheaf theory, and so cou…
math.CT2000
Some Results for the Local Subgroupoids
Ilhan Icen, Osman Mucuk
The notion of local subgroupoids as generalition of a local equivalence relations was defined by the first author and R.Brown. Here we investigate some relations between transitive…
math.CT2000★ 1 cited
Homotopies and automorphisms of crossed modules of groupoids
R. Brown, I. Icen
We give a detailed description of the structure of the actor 2-crossed module related to the automorphisms of a crossed module of groupoids. This generalises work of Brown and Gilb…