| Issue |
RAIRO-Theor. Inf. Appl.
Volume 50, Number 1, January-March 2016
Special issue dedicated to the 15th "Journées Montoises d'Informatique Théorique"
|
|
|---|---|---|
| Page(s) | 3 - 20 | |
| DOI | https://doi.org/10.1051/ita/2016006 | |
| Published online | 08 June 2016 | |
Reduction in non-(k + 1)-power-free morphisms
L.A.M.F.A., UMR 7352 du CNRS, Université de Picardie Jules
Verne, 33 rue
Saint-Leu, 80039
Amiens cedex 1,
France.
francis.wlazinski@u-picardie.fr
Received:
24
March
2016
Accepted:
24
March
2016
Under some hypotheses, if the image by a morphism of a (k + 1)-power-free word contains a (k + 1)-power, we can reduce this word to obtain a new word with the same scheme. These hypotheses are satisfied in the case of uniform morphisms. This allows us to state that, when k ≥ 4, a k-power-free uniform morphism is a (k + 1)-power-free morphism.
Mathematics Subject Classification: 68R15
Key words: Word / morphism / uniform and k-power
© EDP Sciences 2016
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