Zhao Wang

collaborators

2 papers

math.CO2026

Boolean lattice without small rainbow subposets

Gyula O. H. Katona, Yaping Mao, Kenta Ozeki +2

A Boolean lattice $B_{n} = (2^{X}, \leq)$ is the power set of an $n$ -element ground set $X$ equipped with inclusion relation. For two posets $P$ and $Q$ , we…

math.CO2026

Gallai-Ramsey Numbers for $ℓ$ -Connected Graphs

Zhao Wang, Lanyanni Zhang, Meiqin Wei +1

Given a nonempty graph $G$ , a collection of nonempty graphs $H$ , and a positive integer $k$ , the Gallai-Ramsey number $gr_{k} (G : H)$ is defined to be the mini…

Boolean lattice without small rainbow subposets

Gallai-Ramsey Numbers for ℓ-Connected Graphs

Gallai-Ramsey Numbers for $ℓ$ -Connected Graphs