English

On $t$-perfect triangulations of the projective plane

Combinatorics 2017-02-15 v2

Abstract

We prove that a triangulation of the projective plane is (strongly) tt-perfect if and only if it is perfect and contains no K4K_4.

Keywords

Cite

@article{arxiv.1702.03175,
  title  = {On $t$-perfect triangulations of the projective plane},
  author = {Elke Fuchs and Laura Gellert},
  journal= {arXiv preprint arXiv:1702.03175},
  year   = {2017}
}

Comments

23 pages, 12 figures, contains minor typo correction