The number of configurations in the full shift with a given least period

Alonso Castillo-Ramirez, Miguel Sánchez-Álvarez

For any group $G$ and any set $A$, consider the shift action of $G$ on the full shift $A^G$. A configuration $x\in A^G$ has \emph{least period} $H\le G$ if the stabiliser of $x$…