4 papers
math.CO2025
On Relative Ordered Turán Density
Dylan King, Bernard Lidický, Minghui Ouyang +3
For an ordered graph , denote the Turán density by . The relative Turán density, denoted by , is the supremum over such that every ordered graph …
math.CO2025
Multicolor Erdős--Rogers Functions
Hong Liu, Haoran Luo, Minghui Ouyang
In this paper, we study a multicolor variant of Erdős--Rogers functions. Let be the largest integer such that there is always an induced…
math.CO2025
Property O and Erdős--Szekeres properties in linear hypergraphs
Suyun Jiang, Ander Lamaison, Minghui Ouyang
An oriented -uniform hypergraph, or oriented -graph, is said to satisfy Property O if, for every linear ordering of its vertex set, there is some edge oriented consistently w…
math.CO2025
On restricted sumsets with bounded degree relations
Minghui Ouyang
Given two subsets and a binary relation , the restricted sumset of with respect to is defined a…