English

Counting Polygon Triangulations is Hard

Computational Geometry 2020-12-07 v2 Computational Complexity

Abstract

We prove that it is #P\#\mathsf{P}-complete to count the triangulations of a (non-simple) polygon.

Cite

@article{arxiv.1903.04737,
  title  = {Counting Polygon Triangulations is Hard},
  author = {David Eppstein},
  journal= {arXiv preprint arXiv:1903.04737},
  year   = {2020}
}

Comments

24 pages, 11 figures. Expanded version of a paper from Proc. 35th International Symposium on Computational Geometry

R2 v1 2026-06-23T08:05:13.503Z