3 papers
math.CO2023
More on Rainbow Cliques in Edge-Colored Graphs
Xiao-Chuan Liu, Danni Peng, Xu Yang
In an edge-colored graph , a rainbow clique is a -complete subgraph in which all the edges have distinct colors. Let and be the number of edges and colors…
math.CO2022
On Color Isomorphic Pairs in Proper Edge Colourings of Complete Graphs
Xiao-Chuan Liu, Xu Yang
Following the recent paper which initiated the study of colour isomorphism problems for complete graphs, we obtain upper bounds for for a family of graphs obtained a…
math.CO2019
The classification of local m-GCI-group on finite nonabelian simple groups
Xiao-Min Zhu, Xu Yang
Li and Praeger classified finite nonabelian simple groups, it has only one or two fusion classes of any certain value. As a by-product, they classified m-CI-groups, which is critic…