4 papers
math.CO2026
Monochromatic triangle-tilings in dense graphs without large independent sets
Xinmin Hou, Xiangyang Wang, Zhi Yin
Given two graphs and , an -tiling is a family of vertex-disjoint copies of in . A perfect -tiling covers all vertices of . The Corradi-Hajnal theorem (1963)…
math.CO2025
Divisible subdivisions of graphs in subdivisions of complete graphs
Xinmin Hou, Xiangyang Wang
Let denote the cyclic group of order . A -edge-weighted is the complete graph equipped with a weight function $ω: E(K_f) \to \mathbb{Z}_…
math.CO2025
Dirac-type condition for Hamilton-generated graphs
Xinmin Hou, Zhi Yin
The cycle space of a graph is defined as the linear space spanned by all cycles in . For an integer , let denote the subspace of…
math.CO2024
The maximal sum of sizes of cross intersecting families for multisets
Hongkui Wang, Xinmin Hou
Let , and be positive integers. A -multiset of is a collection of elements of with repetition and without ordering. We use $\left(\binom {[m]}{k}\righ…