English

Contracting thin disks

Differential Geometry 2013-09-18 v2

Abstract

We answer a question of Liokumovich-Nabutovsky-Rotman showing that if D is a Riemannian 2-disc with boundary length L, diameter d and area A << d then D can be filled by a homotopy where the lengths of the intermediate curves are bounded by L+2d+O(A)L+2d+O(\sqrt A).

Keywords

Cite

@article{arxiv.1309.2967,
  title  = {Contracting thin disks},
  author = {Panos Papasoglu},
  journal= {arXiv preprint arXiv:1309.2967},
  year   = {2013}
}

Comments

6 pages, revised the questions section

R2 v1 2026-06-22T01:25:14.635Z