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Normality and Quotients in Crossed Modules and Group-groupoids

✍ Scribed by Mucuk, Osman; Şahan, Tunçar; Alemdar, Nazmiye

Book ID
121614284
Publisher
Springer
Year
2013
Tongue
English
Weight
346 KB
Volume
23
Category
Article
ISSN
0927-2852

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G-groupoids, crossed modules and the fun
G-groupoids, crossed modules and the fundamental groupoid of a topological group
✍ Ronald Brown; Christopher B Spencer 📂 Article 📅 1976 🏛 Elsevier Science ⚖ 427 KB

INTRODUUTION By a 8-groupoid is meant a group object in the category of groupoids. By a crossed m&.&. (A, B, b) is meant a pair A, B of groups together with an operation of the group B on the group A, and a morphism b: A + B of groups, satisfying: (i) b(a\*