There Are Ternary Circular Square-Free Words of Length $n$ for $n\ge 18$
Abstract
There are circular square-free words of length $n$ on three symbols for $n\ge 18$. This proves a conjecture of R. J. Simpson.
There are circular square-free words of length $n$ on three symbols for $n\ge 18$. This proves a conjecture of R. J. Simpson.