Brieskorn spheres with two fillable contact structures
Geometric Topology
2026-05-19 v1
Abstract
Applying our recent classification of negative-twisting tight contact structures on Seifert fibered spaces whose base orbifold is a sphere, we provide the complete list of all the Brieskorn spheres carrying at most two symplectically fillable structures, up to isotopy, compatible with a given orientation.
Keywords
Cite
@article{arxiv.2605.17567,
title = {Brieskorn spheres with two fillable contact structures},
author = {Alberto Cavallo},
journal= {arXiv preprint arXiv:2605.17567},
year = {2026}
}