2 papers
math.CO2025
Odd clique minors and chromatic bounds of {3, paraglider}-free graphs
Yuqing Ji, Yue Wang, Yujun Yang +1
A paraglider, house, 4-wheel, is the graph that consists of a cycle plus an additional vertex adjacent to three vertices, two adjacent vertices, all the vertices of the …
math.CO2025
Odd clique minors in graphs with independence number two
Yuqing Ji, Zi-Xia Song, Evan Weiss +1
A -expansion consists of vertex-disjoint trees, every two of which are joined by an edge. We call such an expansion odd if its vertices can be two-colored so that the edge…