1 citations · 1 across the 3 of their papers we have counts for
3 papers
math.CT2004★ 1 cited
Categorical non abelian cohomology, and the Schreier theory of groupoids
V. Blanco, M. Bullejos, E. Faro
By regarding the classical non abelian cohomology of groups from a 2-dimensional categorical viewpoint, we are led to a non abelian cohomology of groupoids which continues to satis…
math.CT2004
Postnikov Invariants of Crossed Complexes
M. Bullejos, E. Faro, M. A. García-Muñoz
We determine the Postnikov Tower and Postnikov Invariants of a Crossed Complex in a purely algebraic way. Using the fact that Crossed Complexes are homotopy types for filtered spac…
math.CT2004
A Full and faithful Nerve for 2-categories
M. Bullejos, E. Faro, V. Blanco
The notion of geometric nerve of a 2-category (Street, \cite{refstreet}) provides a full and faithful functor if regarded as defined on the category of 2-categories and lax 2-funct…