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A bott periodicity map for crossed products of C*-algebras by discrete groups |
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| Authors: | George A Elliott and Toshikazu Natsume |
| Institution: | (1) Mathematics Institute, University of Copenhagen, Copenhagen, Denmark;(2) Department of Mathematics, University of Toronto, Toronto, Canada;(3) Department of Mathematics, Faculty of Science, Saitama University, Saitama, Japan |
| Abstract: | A generalization is given of the canonical map from a discrete group into K 1 of the group C *-algebra. Our map also generalizes Rieffel's construction of a projection in an irrational rotation C *-algebra. |
| Keywords: | C *-algebra crossed product Powers-Rieffel projection Bott periodicity |
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