Invariant star-products on S^2 and the canonical trace
High Energy Physics - Theory
2009-11-10 v1 Quantum Algebra
Abstract
In the literature there are two different ways of describing an invariant star product on . We show that the products are actually the same. We also calculate the canonical trace and use the Fedosov-Nest-Tsygan index theorem to obtain the characteristic class of this product.
Cite
@article{arxiv.hep-th/0402031,
title = {Invariant star-products on S^2 and the canonical trace},
author = {Keizo Matsubara and Mårten Stenmark},
journal= {arXiv preprint arXiv:hep-th/0402031},
year = {2009}
}
Comments
10 pages, LaTeX