Group extensions and their trivialisation

zbMath0584.20023MaRDI QIDQ1070339

A. J. Berrick

Publication date: 1985

Published in: L'Enseignement Mathématique. 2e Série (Search for Journal in Brave)

zbMATH Keywords

Extsmall categoryhypercentreSteinberg groupsequivalence classes of extensionsMcLain groupsexact sequence of pointed setssuperperfect group

Mathematics Subject Classification ID

Homological methods in group theory (20J05) Extensions, wreath products, and other compositions of groups (20E22) Automorphism groups of groups (20F28) Ext and Tor, generalizations, Künneth formula (category-theoretic aspects) (18G15) Algebraic (K)-theory and (L)-theory (category-theoretic aspects) (18F25)

Related Items (3)

Théorie de Schreier supérieure ⋮ Perfect radicals and homology of group extensions ⋮ Two functions from Abelian groups to perfect groups

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