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Hochschild cohomology of triangular string algebras and its ring structure

✍ Scribed by Redondo, María Julia; Román, Lucrecia

Book ID
122227210
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
284 KB
Volume
218
Category
Article
ISSN
0022-4049

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group of linear automorphisms of A . In this paper, we compute the multiplicative n ⅷ Ž G . structure on the Hochschild cohomology HH A of the algebra of invariants of n ⅷ Ž G . G. We prove that, as a graded algebra, HH A is isomorphic to the graded n algebra associated to the center of the group al