The Extremal Function and Colin de Verdière Graph Parameter
The Extremal Function and Colin de Verdière Graph Parameter
复制标题
极值函数和 Colin de Verdiere 图参数
DOI:
--
复制
发表时间:
2017
影响因子:
0.7
通讯作者:
Rose McCarty
中科院分区:
文献类型:
--
作者:
Rose McCarty
We study the maximum number of edges in an $n$ vertex graph with Colin de Verdiere parameter no more than $t$. We conjecture that for every integer $t$, if $G$ is a graph with at least $t$ vertices and Colin de Verdiere parameter at most $t$, then $|E(G)| leq t|V(G)|-inom{t+1}{2}$. We observe a relation to the graph complement conjecture for the Colin de Verdiere parameter and prove the conjectured edge upper bound for graphs $G$ such that either $mu(G) leq 7$, or $mu(G) geq |V(G)|-6$, or the complement of $G$ is chordal, or $G$ is chordal.
影响因子:
1
作者:
Thomas, Robin;Yoo, Youngho
通讯作者:
Yoo, Youngho