2 papers
math.CO2024
Arc-transitive maps with edge number coprime to the Euler characteristic -- I
Cai Heng Li, Luyi Liu
This is one of a series of papers which aim towards a classification of edge-transitive maps of which the Euler characteristic and the edge number are coprime. This one establishes…
math.CO2018
Constructing 2-Arc-Transitive Covers of Hypercubes
Michael Giudici, Cai Heng Li, Yian Xu
We introduce the notion of a symmetric basis of a vector space equipped with a quadratic form, and provide a sufficient and necessary condition for the existence to such a basis. S…