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math.CT2013
Braided equivariant crossed modules and cohomology of -modules
Nguyen Tien Quang, Che Thi Kim Phung, Pham Thi Cuc
If is a group, then braided -crossed modules are classified by braided strict -graded categorial groups. The Schreier theory obtained for -module extensions of the typ…
math.CT2013
Equivariant Crossed Modules and Cohomology of Groups with Operators
Nguyen Tien Quang, Pham Thi Cuc
In this paper we study equivariant crossed modules in its link with strict graded categorical groups. The resulting Schreier theory for equivariant group extensions of the type of…
math.CT2013★ 3 cited
Crossed Bimodules over Rings and Shukla Cohomology
Nguyen Tien Quang, Pham Thi Cuc
In this paper we present some applications of Ann-category theory to classification of crossed bimodules over rings, classification of ring extensions of the type of a crossed bimo…