On t-perfect triangulations of the projective plane [article]

Elke Fuchs, Laura Gellert
2017 arXiv   pre-print
We prove that a triangulation of the projective plane is (strongly) t-perfect if and only if it is perfect and contains no K_4.
arXiv:1702.03175v2 fatcat:gut4bvrj7zfl7djcbckcjxe33m