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The Local Index Formula for SU q (2)

✍ Scribed by Walter Van Suijlekom; Ludwik Dabrowski; Giovanni Landi; Andrzej Sitarz; Joseph C. Várilly


Publisher
Springer
Year
2005
Tongue
English
Weight
196 KB
Volume
35
Category
Article
ISSN
0920-3036

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The XXZ spin-chain Hamiltoman has been constructed to be su(2)q-invariant, but naively does not appear to be su(2)-invariant. However, using recently discovered deforming maps between representations of su(2)q and corresponding representations of su(2), we prove a theorem which states that if a Hami