English

Rigidity of critical circle maps

Dynamical Systems 2018-11-14 v1

Abstract

We prove that any two C4C^4 critical circle maps with the same irrational rotation number and the same odd criticality are conjugate to each other by a C1C^1 circle diffeomorphism. The conjugacy is C1+αC^{1+\alpha} for Lebesgue almost every rotation number.

Keywords

Cite

@article{arxiv.1511.02792,
  title  = {Rigidity of critical circle maps},
  author = {Pablo Guarino and Marco Martens and Welington de Melo},
  journal= {arXiv preprint arXiv:1511.02792},
  year   = {2018}
}

Comments

46 pages, 5 figures

R2 v1 2026-06-22T11:40:45.483Z