3 papers
math.CO2024
On the -chromatic numbers of the Cartesian products of graphs
Wipawee Tangjai, Witsarut Pho-on, Panupong Vichitkunakorn
In this work, we study the -chromatic number of a graph which is the chromatic number of the -complement of a graph. We give a structure of the -complements and sharp boun…
math.GT2021
A universal Cannon-Thurston map and the surviving curve complex
Funda Gültepe, Christopher J Leininger, Witsarut Pho-On
Using the Birmanexact sequence for pure mapping class groups, we construct a universal Cannon--Thurston map onto the boundary of a curve complex for a surface with punctures we cal…
math.GT2015
Infinite Unicorn Paths and Gromov Boundaries
Witsarut Pho-on
We extend the notion of unicorn paths between two arcs introduced by Hensel, Przytycki and Webb to the case where we replace one arc with a geodesic asymptotic to a lamination. Usi…