English

Lyapunov stability of the subgradient method with constant step size

Optimization and Control 2023-03-08 v2

Abstract

We consider the subgradient method with constant step size for minimizing locally Lipschitz semi-algebraic functions. In order to analyze the behavior of its iterates in the vicinity of a local minimum, we introduce a notion of discrete Lyapunov stability and propose necessary and sufficient conditions for stability.

Keywords

Cite

@article{arxiv.2211.14850,
  title  = {Lyapunov stability of the subgradient method with constant step size},
  author = {Cédric Josz and Lexiao Lai},
  journal= {arXiv preprint arXiv:2211.14850},
  year   = {2023}
}

Comments

11 pages, 2 figures

R2 v1 2026-06-28T07:14:02.691Z