Mathematics – Combinatorics
Scientific paper
2008-08-10
Mathematics
Combinatorics
Scientific paper
Let us say that a Cayley graph $\Gamma$ of a group $G$ of order $n$ is a Cerny Cayley graph if every synchronizing automaton containing $\Gamma$ as a subgraph with the same vertex set admits a synchronizing word of length at most $(n-1)^2$. In this paper we use the representation theory of groups over the rational numbers to obtain a number of new infinite families of {\v{C}}ern{\'y} Cayley graphs.
Steinberg Benjamin
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