Cohomology of cofibred categorical groups

DOI10.1016/S0022-4049(98)00109-1zbMath0944.18011OpenAlexW2058687745MaRDI QIDQ1818629

Yanyan Li

Publication date: 18 September 2000

Published in: Journal of Pure and Applied Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0022-4049(98)00109-1

zbMATH Keywords

Galois extensionEilenberg-MacLane spacecategorical grouptorsorscrossed modulelinear extensionsnon-abelian cohomology2-groupoidcofibrationhomotopy bigroupoid

Mathematics Subject Classification ID

Cohomology of groups (20J06) Nonabelian homological algebra (category-theoretic aspects) (18G50) Separable algebras (e.g., quaternion algebras, Azumaya algebras, etc.) (16H05) Brauer groups (algebraic aspects) (16K50)

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