Avoiding approximate squares
Résumé
As is well-known, Axel Thue constructed an infinite word over a 3-letter alphabet that contains no squares, that is, no nonempty subwords of the form xx. In this paper we consider a variation on this problem, where we try to avoid approximate squares, that is, subwords of the form xx' where |x|=|x'| and x and x' are "nearly" identical.
Domaines
Autre [cs.OH]| Origine | Fichiers produits par l'(les) auteur(s) |
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