Mather β-Function for Ellipses and Rigidity

Michael Bialy*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The goal of the first part of this note is to get an explicit formula for rotation number and Mather (Formula presented.) -function for ellipse. This is done here with the help of non-standard generating function of billiard problem. In this way the derivation is especially simple. In the second part we discuss application of Mather (Formula presented.) -function to rigidity problem.

Original languageEnglish
Article number1600
JournalEntropy
Volume24
Issue number11
DOIs
StatePublished - Nov 2022

Funding

FundersFunder number
Deutsche ForschungsgemeinschaftMA-2565/7-1
Israel Science Foundation580/20

    Keywords

    • Birkhoff billiard
    • action minimizers: rigidity, integrable billiards
    • invariant curve

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