English

Morse theory without nondegeneracy

Differential Geometry 2020-10-07 v2 High Energy Physics - Theory Algebraic Topology

Abstract

We describe an extension of Morse theory to smooth functions on compact Riemannian manifolds, without any nondegeneracy assumptions except that the critical locus must have only finitely many connected components.

Keywords

Cite

@article{arxiv.1906.10804,
  title  = {Morse theory without nondegeneracy},
  author = {Frances Kirwan and Geoffrey Penington},
  journal= {arXiv preprint arXiv:1906.10804},
  year   = {2020}
}

Comments

39 pages, 2 figures, v2 added examples and other small changes

R2 v1 2026-06-23T10:03:39.309Z