2 papers
math.CO2026
ErdÅs-Hajnal beyond the five-vertex path
Shenwei Huang, Yiao Ju, Yidong Zhou
The well-known ErdÅs-Hajnal conjecture states that for any graph , there is a constant such that every -vertex graph with no induced copies of contains a…
math.CO2025
There are finitely many -vertex-critical -free graphs
Yiao Ju, Jorik Jooken, Jan Goedgebeur +1
In this paper, we are interested in -colouring algorithms for graphs that do not contain an induced path on vertices nor an induced bull, i.e., the graph with vertex set $\{…