Properties of action-minimizing sets and weak KAM solutions via Mather's averaging functions

2022/10/31 by Shoya Motonaga, Motonaga, Shoya
Physics and Astronomy · #37J35 #37J50 (Primary) 70H03 #70H05 #70H20 (Secondary) #Dynamical Systems (math.DS) #FOS: Mathematics #Quantum chaos and dynamical systems

paper · pdf · doi:10.48550/arxiv.2210.17307

openalex publication_date 2022/10/31 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We study properties of action-minimizing invariant sets for Tonelli Lagrangian and Hamiltonian systems and weak KAM solutions to the Hamilton-Jacobi equation in terms of Mather's averaging functions. Our principal discovery is that exposed points and extreme points of Mather's alpha function are closely related to disjoint properties and graph properties of the action-minimizing invariant sets, which is also related to C⁰ integrability of the systems and the existence of smooth weak KAM solutions to the Hamilton-Jacobi equation.

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