2 papers
math.CO2026
Some conjectures on -graphs and equivalences
Yulai Ma, Eckhard Steffen, Isaak H. Wolf +1
An -regular graph is an -graph, if every odd set of vertices is connected to its complement by at least edges. Seymour [On multicolourings of cubic graphs, and conjecture…
math.CO2025
Large cliques in graphs with forbidden semi-induced structures
Nannan Chen, Yulai Ma, Fan Yang
In 2022, Holmsen showed that any graph with at least \( c \binom{n}{r} \) \(r\)-cliques but no induced complete -partite graph must contain a clique of order \…