English

The Lie algebra generated by gradient vector fields

Differential Geometry 2026-07-29 v1 Optimization and Control

Abstract

Let MM be a smooth compact manifold, and gg a smooth non-degenerate symmetric bilinear form on TMTM. We prove that every smooth vector field can be written as a finite linear combination of iterated Lie brackets of gradient vector fields.

Cite

@article{arxiv.2607.26890,
  title  = {The Lie algebra generated by gradient vector fields},
  author = {Bettina Kazandjian and Omar Mohsen and Eugenio Pozzoli},
  journal= {arXiv preprint arXiv:2607.26890},
  year   = {2026}
}