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Hochschild cohomology via incidence algebras
Author(s) -
Redondo María Julia
Publication year - 2008
Publication title -
journal of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.441
H-Index - 62
eISSN - 1469-7750
pISSN - 0024-6107
DOI - 10.1112/jlms/jdm115
Subject(s) - cohomology , mathematics , incidence (geometry) , algebra over a field , pure mathematics , group cohomology , sigma , physics , geometry , quantum mechanics
Given an algebra A , we associate an incidence algebra A (Σ) and compare their Hochschild cohomology groups.