English

Centre manifold theorem for maps along manifolds of fixed points

Dynamical Systems 2026-04-21 v1 Machine Learning

Abstract

We prove a centre manifold theorem for a map along a manifold-with-boundary of fixed points, and provide an application to the study of gradient descent with large step size on two-layer matrix factorisation problems.

Keywords

Cite

@article{arxiv.2604.18202,
  title  = {Centre manifold theorem for maps along manifolds of fixed points},
  author = {Lachlan Ewen MacDonald},
  journal= {arXiv preprint arXiv:2604.18202},
  year   = {2026}
}

Comments

28 pages, comments welcome