2 papers
math.CO2025
Extremal constructions for apex partite hypergraphs
Qiyuan Chen, Hong Liu, Ke Ye
We establish new lower bounds for the Turán and Zarankiewicz numbers of certain apex partite hypergraphs. Given a -partite -uniform hypergraph , let $\m…
math.CO2025
Multicolor ErdÅs--Rogers Functions
Hong Liu, Haoran Luo, Minghui Ouyang
In this paper, we study a multicolor variant of ErdÅs--Rogers functions. Let be the largest integer such that there is always an induce…