Lei Zhang

collaborators

2 papers

math.CO2018

A homogeneous polynomial associated with general hypergraphs and its applications

Yuan Hou, An Chang, Lei Zhang

In this paper, we define a homogeneous polynomial for a general hypergraph, and establish a remarkable connection between clique number and the homogeneous polynomial of a general…

math.CO2018

New results on $k$ -independence of hypergraphs

Lei Zhang, An Chang

Let $H = (V, E)$ be an $s$ -uniform hypergraph of order $n$ and $k \geq 0$ be an integer. A $k$ -independent set $S \subseteq H$ is a set of vertices such that the maximum degree in the h…

A homogeneous polynomial associated with general hypergraphs and its applications

New results on k-independence of hypergraphs

New results on $k$ -independence of hypergraphs