2 papers
math.CO2015
Semi-Transitive Orientations and Word-Representable Graphs
Magnús M. Halldórsson, Sergey Kitaev, Artem Pyatkin
A graph is a \emph{word-representable graph} if there exists a word over the alphabet such that letters and alternate in if and only if f…
math.CO2014
Representing Graphs via Pattern Avoiding Words
Miles Jones, Sergey Kitaev, Artem Pyatkin +1
The notion of a word-representable graph has been studied in a series of papers in the literature. A graph is word-representable if there exists a word over the alpha…