𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Homotopies and Automorphisms of Crossed Modules of Groupoids

✍ Scribed by Ronald Brown; İlhan İçen

Book ID
110437939
Publisher
Springer
Year
2003
Tongue
English
Weight
160 KB
Volume
11
Category
Article
ISSN
0927-2852

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📜 SIMILAR VOLUMES

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\*