Kraehmer, U., Rennie, A. and Senior, R. (2012) A residue formula for the fundamental Hochschild 3-cocycle for SUq(2). Journal of Lie Theory, 22(2), pp. 557-585.
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Publisher's URL: http://www.heldermann.de/JLT/JLT22/JLT222/jlt22024.htm
Abstract
An analogue of a spectral triple over SUq(2) is constructed for which the usual assumption of bounded commutators with the Dirac operator fails. An analytic expression analogous to that for the Hochschild class of the Chern character for spectral triples yields a non-trivial twisted Hochschild 3-cocycle. The problems arising from the unbounded commutators are overcome by defining a residue functional using projections to cut down the Hilbert space.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Kraehmer, Dr Ulrich |
| Authors: | Kraehmer, U., Rennie, A., and Senior, R. |
| College/School: | College of Science and Engineering > School of Mathematics and Statistics > Mathematics |
| Journal Name: | Journal of Lie Theory |
| Journal Abbr.: | J. Lie Theory |
| ISSN: | 0949-5932 |
| Related URLs: |
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