collaborators

1 paper

math.CO2026

Frustration index of a signed planar graph and the feedback vertex set

Sirui Chen, Jiaao Li, Zhouningxin Wang

A feedback vertex set of a graph is a set of vertices whose deletion leaves a forest. In 2016, Dross, Montassier, and Pinlou conjectured that every planar graph of girth at lea…