3 papers
math.CO2026
On clique-to-clique densities
Jie Ma, Tianhen Wang, Tianming Zhu
Let denote the number of -cliques in a graph and let be the Lovász--Simonovits -clique density function. For any integers , we determine…
math.CO2026
On a hypergraph Turán problem of Balogh-Bohman-Bollobás-Zhao
Heng Li, Jie Ma, Tianhen Wang +2
Let and be disjoint sets with and for , and let be the -graph on whose edges are the -subsets containing or…
math.CO2026
Books versus Triangles near the n/6 Threshold
Kaizhe Chen, Jie Ma, Tianhen Wang
The book number of a graph is the maximum number of triangles sharing a common edge. A strengthening of Mantel's theorem due to Rademacher states that every -vertex g…