2011/12/12 by Nguyen Tien Quang, Quang, Nguyen Tien, Pham Thi Cuc +3
Mathematics · #18D10 (Primary) 20J05 #20J06 (Secondary) #Category Theory (math.CT) #FOS: Mathematics #math.CT #msc:18D10 #msc:20J05 #msc:20J06
paper · pdf · doi:10.48550/arxiv.1112.2440
16 pages
arxiv created 2011/12/12 · arxiv updated 2011/12/13
In this paper we state some applications of Gr-category theory on the classification of crossed modules and on the classification of extensions of groups of the type of a crossed module.