He Zhen

collaborators

3 papers

math.CO2024

Partite saturation number of cycles

Yiduo Xu, Zhen He, Mei Lu

A graph $H$ is said to be $F$ -saturated relative to $G$ , if $H$ does not contain any copy of $F$ , but the addition of any edge $e$ in $E (G) \ E (H)$ would create a copy of $…

math.CO2024

The saturation number for unions of four cliques

Ruo-Xuan Li, Rong-Xia Hao, Zhen He +1

A graph $G$ is $H$ -saturated if $H$ is not a subgraph of $G$ but $H$ is a subgraph of $G + e$ for any edge $e$ in $G$ . The saturation number $s a t (n, H)$ for a graph $H$ i…

math.CO2024

Saturation Numbers for Linear Forests $P_{7} + t P_{2}$

Yu Zhang, Rong-Xia Hao, Zhen He +1

Let $H$ be a fixed graph, a graph G is $H$ -saturated if it has no copy of $H$ in $G$ , but the addition of any edge in $E (G)$ to $G$ results in an $H$ -subgraph. The satura…

Partite saturation number of cycles

The saturation number for unions of four cliques

Saturation Numbers for Linear Forests P7​+tP2​

Saturation Numbers for Linear Forests $P_{7} + t P_{2}$