On galois descent for Hochschild and cyclic homology |
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Authors: | Martin Lorenz |
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Institution: | (1) Department of Mathematics, Temple University, 19122 Philadelphia, PA |
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Abstract: | LetG be a finite group acting by automorphisms on an algebraS over some commutative ringk. We show that if the action ofG restricted to the center ofS is Galois in the sense of C-H-R], thenHH
*(S
G)≊HH
*
(S)
G. An analogous result holds for cyclic homology, provided the order ofG is invertible ink.
The author was supported in part by a grant from the NSF. |
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Keywords: | 19D55 18G60 16W20 16E40 |
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