On extension categories and Schur multiplicators of profinite groups

DOI10.1016/0022-4049(83)90014-2zbMath0551.20038OpenAlexW2084724165MaRDI QIDQ801161

Eng-Tjioe Tan

Publication date: 1983

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

Full work available at URL: https://doi.org/10.1016/0022-4049(83)90014-2

zbMATH Keywords

Schur multiplicatorcovering theory of groupsextendability of group homomorphismsextension categorieshomology and cohomology of profinite groupsisoclinism of central extensionsorientable Poincaré-duality groupspro-p groups

Mathematics Subject Classification ID

Generators, relations, and presentations of groups (20F05) Galois cohomology (12G05) Homological methods in group theory (20J05) Extensions, wreath products, and other compositions of groups (20E22) Generalized (extraordinary) homology and cohomology theories in algebraic topology (55N20) Limits, profinite groups (20E18) Poincaré duality spaces (57P10)

Related Items

A remark on Scholz's Abelian crossings

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Homology in group theory
• Group extensions, representations, and the Schur multiplicator
• On isoclinic groups
• Profinite duality groups. I
• Nielsen equivalence of presentations of some solvable groups
• Pseudocompact algebras, profinite groups and class formations
• Cohomological topics in group theory.
• On central group extensions and homology
• On the homology theory of central group extensions. I: The commutator map and stem extensions
• On the second cohomology groups of semidirect products
• Isoclinisms and covering groups
• HOMOLOGY OF PROFINITE GROUPS, SCHUR MULTIPLIERS, AND CLASS FIELD THEORY