Finiteness of pseudo-Anosov flows without perfect fits

Thomas Barthelmé; Chi Cheuk Tsang; Jonathan Zung

Finiteness of pseudo-Anosov flows without perfect fits

Geometric Topology 2026-07-11 v1 Dynamical Systems

Authors: Thomas Barthelmé , Chi Cheuk Tsang , Jonathan Zung

Abstract

We show that a fixed closed 3-manifold admits at most finitely many pseudo-Anosov flows without perfect fits and deduce finiteness of veering triangulations in a fixed 3-manifold.

Keywords

pseudo-Anosov flows perfect fits veering triangulations closed 3-manifolds finiteness

Cite

@article{arxiv.2607.10398,
  title  = {Finiteness of pseudo-Anosov flows without perfect fits},
  author = {Thomas Barthelmé and Chi Cheuk Tsang and Jonathan Zung},
  journal= {arXiv preprint arXiv:2607.10398},
  year   = {2026}
}