An exact sequence in the first variable for torsor cohomology: the 2-dimensional theory of obstructions

DOI10.1016/0022-4049(86)90145-3zbMath0587.18007OpenAlexW1988251081MaRDI QIDQ1072635

Enrique R. Aznar, Antonio Martínez Cegarra

Publication date: 1986

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(86)90145-3

zbMATH Keywords

extensionsobstruction theorytorsor cohomology

Mathematics Subject Classification ID

(Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.) (16E40) Nonabelian homological algebra (category-theoretic aspects) (18G50) Topoi (18B25)

Related Items

Higher dimensional obstruction theory in algebraic categories ⋮ Structure and classification of monoidal groupoids ⋮ Group-theoretic algebraic models for homotopy types ⋮ Unnamed Item

Cites Work

• Realization of cohomology classes in arbitrary exact categories
• Cohomologie et groupe de Steinberg rélatifs
• On the deformation of rings and algebras. II
• Satellites and cohomology
• Exact categories and categories of sheaves
• Obstruction theory in algebraic categories. II
• Cohomology theory in abstract groups. II
• Cohomology and representations of associative algebras
• Commutative Algebras and Cohomology
• Simplicial methods and the interpretation of “triple” cohomology
• Homology and Presentations of Algebras
• Cohomologie des algèbres associatives
• Long exact sequences in the first variable for algebraic cohomology theories
• Cohomology of algebras relative to a variety
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