Skip to main content

All Questions

2 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2 votes
0 answers
55 views

Expectation of Hadwiger number of a random graph

For any integer $n$, let ${\cal G}_n$ denote the set of simple, undirected graphs $G = (V, E)$ where $V = \{1,\ldots,n\}$. The Hadwiger number $\eta(G)$ of a finite graph $G$ is the maximum integer $m$...
Dominic van der Zypen's user avatar
1 vote
0 answers
78 views

Expected value of the difference of the Hadwiger number and the chromatic number

If $G$ is a finite, simple, undirected graph, its Hadwiger number $\eta(G)$ is the maximum integer $n$ such that $K_n$ is a minor of $G$. Given any integer $k>0$ let $E_k$ be the expected value of ...
Dominic van der Zypen's user avatar