Partitioned Factors in Christoffel and Sturmian Words

Norman Carey, David Clampitt

Borel and Reutenauer (2006) showed, \emph{inter alia}, that a word $w$ of length $n>1$ is conjugate to a Christoffel word if and only if for $k=0,1,\dots ,n-1$, $w$ has $k+1$ dis…