A criterion for the half-plane property
Combinatorics
2007-09-11 v1
Abstract
We establish a convenient necessary and sufficient condition for a multiaffine real polynomial to be stable, and use it to verify that the half-plane property holds for seven small matroids that resisted the efforts of Choe, Oxley, Sokal, and Wagner [5].
Keywords
Cite
@article{arxiv.0709.1269,
title = {A criterion for the half-plane property},
author = {David G. Wagner and Yehua Wei},
journal= {arXiv preprint arXiv:0709.1269},
year = {2007}
}