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Cohomology classes of algebraic functions invariant under Tschirnhausen transformations

✍ Scribed by V. I. Arnol'd


Publisher
Springer US
Year
1970
Tongue
English
Weight
164 KB
Volume
4
Category
Article
ISSN
0016-2663

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group of linear automorphisms of A . In this paper, we compute the multiplicative n β…· Ε½ G . structure on the Hochschild cohomology HH A of the algebra of invariants of n β…· Ε½ 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