3 papers
math.CO2026
On -multicolor Turán number of hypergraph graphs
Ping Li
The Ruzsa-Szemerédi -problem can be equivalently stated as determining the maximum number of edge-disjoint triangles on vertices such that no triangle is formed by edge…
math.CO2025
Planar Turán number of disjoint union of and
Luyi Li, Ping Li, Guiying Yan +1
The planar Turán number of , denoted by , is the maximum number of edges in an -vertex -free planar graph. The planar Turán number of ve…
math.CO2025
The maximum number of cliques in disjoint copies of graphs
Zhipeng Gao, Ping Li, Changhong Lu +2
The problem of determining the maximum number of copies of in an -free graph, for any graphs and , was considered by Alon and Shikhelman. This is a variant of Turán'…