English

Differentiability of Mather's beta function in low dimensions

Dynamical Systems 2012-11-30 v3 Analysis of PDEs

Abstract

Let L be a time-periodic Lagrangian on a two-torus. Then the beta-function of L is differentiable at least in k directions at any k-irrational homology class, for k= 0, 1, 2.

Keywords

Cite

@article{arxiv.0909.3371,
  title  = {Differentiability of Mather's beta function in low dimensions},
  author = {Daniel Massart},
  journal= {arXiv preprint arXiv:0909.3371},
  year   = {2012}
}

Comments

New version which focuses on the two-torus case

R2 v1 2026-06-21T13:47:50.892Z