Words and morphisms with Sturmian erasures

Fabien Durand, Adel Guerziz, Michel Koskas

We say $x \in \{0,1,2 \}^{\NN}$ is a word with Sturmian erasures if for any $a\in \{0,1,2\}$ the word obtained erasing all $a$ in $x$ is a Sturmian word. A large family of such wo…