English

On the entropy norm on $Ham(S^2)$

Geometric Topology 2019-09-16 v1 Group Theory Symplectic Geometry

Abstract

In this note we prove that for each positive integer mm there exists a bi-Lipschitz embedding ZmHam(S2)Z^m\to Ham(S^2), where Ham(S2)Ham(S^2) is equipped with the entropy metric. In particular, the same result holds when the entropy metric is substituted with the autonomous metric.

Cite

@article{arxiv.1909.05939,
  title  = {On the entropy norm on $Ham(S^2)$},
  author = {Michael Brandenbursky and Egor Shelukhin},
  journal= {arXiv preprint arXiv:1909.05939},
  year   = {2019}
}

Comments

7 pages

R2 v1 2026-06-23T11:14:01.303Z