Box and segment intersection graphs with large girth and chromatic number

28 Nov 2020  ·  James Davies ·

We prove that there are intersection graphs of axis-aligned boxes in $\mathbb{R}^3$ and intersection graphs of straight lines in $\mathbb{R}^3$ that have arbitrarily large girth and chromatic number...

PDF Abstract
No code implementations yet. Submit your code now

Categories


Combinatorics 05C15, 05C62