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CROSSED MODULES AND STRICT GR-CATEGORIES

Nguyen, Tien Quang;Pham, Thi Cuc;Nguyen, Thu Thuy

  • Received : 2012.09.24
  • Published : 2014.01.31

Abstract

In this paper we state some applications of Gr-category theory to the classification problem of crossed modules and to that of group extensions of the type of a crossed module.

Keywords

crossed module;Gr-category;group extension;group cohomology;obstruction

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Cited by

  1. EQUIVARIANT CROSSED MODULES AND COHOMOLOGY OF GROUPS WITH OPERATORS vol.52, pp.4, 2015, https://doi.org/10.4134/BKMS.2015.52.4.1077