K-Theory of the Commutator Ideal |
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| Authors: | Emmanuel Germain |
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| Institution: | (1) UFR de Mathématiques, Université Paris 7, 2 place Jussieu, 75251 Paris Cedex 05 |
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| Abstract: | We consider for unital c
*-algebras the short exact sequence 0 I A *
C
B A  max B 0and give an explicit formula for the boundary map for separable C
*-algebras for which the Künneth formula for tensor products holds without Tor-terms. In the course of the article, we study the similar case of an ideal concerning one-relator groups. |
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| Keywords: | one-relator groups commutators cyclic cohomology Maple |
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