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1. CJM 2004 (vol 56 pp. 926)
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K-Homology of the Rotation Algebras $A_{\theta}$ We study the K-homology of the rotation algebras
$A_{\theta}$ using the six-term cyclic sequence
for the K-homology of a crossed product by
${\bf Z}$. In the case that $\theta$ is irrational,
we use Pimsner and Voiculescu's work on AF-embeddings
of the $A_{\theta}$ to search for the missing
generator of the even K-homology.
Categories:58B34, 19K33, 46L |