Journal of the London Mathematical Society Advance Access originally published online on February 20, 2008
Journal of the London Mathematical Society 2008 77(2):465-480; doi:10.1112/jlms/jdm115
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© 2008 London Mathematical Society
Hochschild cohomology via incidence algebras
Instituto de Matemática
Universidad Nacional del Sur
Av. Alem 1253
(8000) Bahía Blanca
Argentina
Given an algebra A, we associate an incidence algebra A(
) and compare their Hochschild cohomology groups.
The author is a research member of CONICET (Argentina).
2000 Mathematics Subject Classification 16E40, 16G20.
Received November 23, 2006; revised July 13, 2007; published online February 20, 2008.