Evans, David Emrys and Kishimoto, Akitaka 1991. Compact group actions on UHF algebras obtained by folding the interval. Journal of Functional Analysis 98 (2) , pp. 346-360. 10.1016/0022-1236(91)90082-G |
Official URL: http://dx.doi.org/10.1016/0022-1236(91)90082-G
Abstract
We show that for any integer p greater than one, there exists a C-∗ algebra , which is not AF, such that Mp∞⊗A≃Mp∞, where Mpα = Mp⊗ ∞ is the UHF algebra of type p∞. Using this construction of UHF algebras, as inductive limits of subhomogeneous algebras on an interval, embedded in each other via a folding operation on the interval, we exhibit actions of compact groups on UHF algebras whose fixed point algebras are not AF. In particular for any compact group G ≠ {e}, there exists an action of G on Mp∞ whose fixed point algebra is not AF.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Mathematics |
Subjects: | Q Science > QA Mathematics |
Publisher: | Elsevier |
ISSN: | 0022-1236 |
Last Modified: | 04 Jul 2024 08:44 |
URI: | https://orca.cardiff.ac.uk/id/eprint/32972 |
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