Words avoiding 7/3-powers and the Thue-Morse morphism

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dc.creatorRampersad, Narad
dc.date2003-07-31
dc.date2003-08-21
dc.date.accessioned2026-07-07T04:59:59Z
dc.date.available2026-07-07T04:59:59Z
dc.descriptionIn 1982, Seebold showed that the only overlap-free binary words that are the fixed points of non-identity morphisms are the Thue-Morse word and its complement. We strengthen Seebold's result by showing that the same result holds if the term 'overlap-free' is replaced with '7/3-power-free'. Furthermore, the number 7/3 is best possible.
dc.description11 pages; details added for proof in section 4
dc.identifierhttps://arxiv.org/abs/math/0307401
dc.identifierhttp://arxiv.org/abs/math/0307401
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/68216
dc.subjectCombinatorics
dc.subject68R15
dc.titleWords avoiding 7/3-powers and the Thue-Morse morphism
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