English

An Index Theorem for Loop Spaces

K-Theory and Homology 2022-08-26 v1 Mathematical Physics Differential Geometry math.MP Operator Algebras

Abstract

We formulate and prove an index theorem for loop spaces of compact manifolds in the framework of KKKK-theory. It is a strong candidate for the noncommutative geometrical definition (or the analytic counterpart) of the Witten genus. In order to find out an "appropriate form" of the index theorem to formulate a loop space version, we formulate and prove an equivariant index theorem for non-compact manifolds equipped with S1S^1-actions with compact fixed-point sets. In order to formulate it, we use a ring of formal power series.

Keywords

Cite

@article{arxiv.2208.12129,
  title  = {An Index Theorem for Loop Spaces},
  author = {Doman Takata},
  journal= {arXiv preprint arXiv:2208.12129},
  year   = {2022}
}

Comments

41 pages

R2 v1 2026-06-25T01:58:38.616Z