Universal extensions.

DOI10.1016/j.crma.2011.04.009zbMath1231.16003OpenAlexW3023085741MaRDI QIDQ544895

George Peschke

Publication date: 16 June 2011

Published in: Comptes Rendus. Mathématique. Académie des Sciences, Paris (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.crma.2011.04.009

zbMATH Keywords

torsion theoriesuniversal extensionscategories of left moduleshomotopical reflectorsring epimorphismsuniversal central group extensions

Mathematics Subject Classification ID

Module categories in associative algebras (16D90) Adjoint functors (universal constructions, reflective subcategories, Kan extensions, etc.) (18A40) Homological functors on modules (Tor, Ext, etc.) in associative algebras (16E30) Localization and completion in homotopy theory (55P60) Torsion theories; radicals on module categories (associative algebraic aspects) (16S90)

Related Items

The Yoneda isomorphism commutes with homology

Cites Work

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• \(H^{q}_{2}(T,G,{\partial})\) and \(q\)-perfect crossed modules
• The plus construction, Postnikov towers and universal central module extensions
• Cellular spaces, null spaces and homotopy localization
• Vanishing Homology over Nilpotent Groups

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