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Induced Cat1-groups
Pullback Crossed module Cat1-group induced crossed modules induced cat1-groups Peiffer commutators cocomplete GAP
2010/3/1
In this paper we define the pullback cat1-group and show that this Pullback has a right adjoint which is the induced cat1-group. Later we show that this right adjoint is a pushout of category of cat1-...
Left Adjoint of Pullback Cat1 -Groups
Crossed modules cat1-groups pullback Cocomplete category Adjoint
2010/3/3
In [1] we define the pullback Cat1-groups and showed that the category of pullback Cat1-groups is equivalent to the category of pullback crossed modules. In this paper we proved that the pullback Cat1...
In this paper, wer define the pullback cat1-groups and we showed that the category of bullback cat1-group is equivalent to the category of pullback crossed modules. 1991 A. M. S. C.: 13D99, 16A99, 17B...