English

Flat vector bundles and open coverings

Differential Geometry 2017-09-21 v3 Algebraic Topology

Abstract

We establish a generic counting formula for the Euler number of a flat vector bundle of rank 2n2n over a 2n2n dimensional closed manifold, in terms of vertices of transversal open coverings of the underlying manifold. We use the Mathai-Quillen formalism to prove our result.

Keywords

Cite

@article{arxiv.1603.07248,
  title  = {Flat vector bundles and open coverings},
  author = {Huitao Feng and Weiping Zhang},
  journal= {arXiv preprint arXiv:1603.07248},
  year   = {2017}
}

Comments

14 pages. Title changed. An error in the previous version was found. The current result counts the Euler number of a flat vector bundle in terms of vertices of transversal open coverings. The Chern conjecture remains open

R2 v1 2026-06-22T13:17:11.349Z