A new invariant for sigma models
High Energy Physics - Theory
2007-05-23 v2
Abstract
We introduce a new invariant for foliations using the even pairing between K-homology and cyclic homology and discuss some possible applications in physics.
Cite
@article{arxiv.hep-th/9904001,
title = {A new invariant for sigma models},
author = {Ioannis P. Zois},
journal= {arXiv preprint arXiv:hep-th/9904001},
year = {2007}
}
Comments
45 pages, extended version. to appear in Commun. Math. Phys., communicated with A. Connes