English

Symplectic capacities from Hamiltonian circle actions

Symplectic Geometry 2016-04-22 v3

Abstract

Let MM be a closed Fano symplectic manifold with a semifree Hamiltonian circle action with isolated maximum. We compute the Gromov width and the Hofer-Zehnder capacity of MM using a moment map.

Keywords

Cite

@article{arxiv.1305.2989,
  title  = {Symplectic capacities from Hamiltonian circle actions},
  author = {Taekgyu Hwang and Dong Youp Suh},
  journal= {arXiv preprint arXiv:1305.2989},
  year   = {2016}
}

Comments

14 pages, weakened the assumption to Fano case, added a result on the Hofer-Zehnder capacity, changed title

R2 v1 2026-06-22T00:15:57.361Z