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2019 | OriginalPaper | Buchkapitel

On Infinite Prefix Normal Words

verfasst von : Ferdinando Cicalese, Zsuzsanna Lipták, Massimiliano Rossi

Erschienen in: SOFSEM 2019: Theory and Practice of Computer Science

Verlag: Springer International Publishing

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Abstract

Prefix normal words are binary words that have no factor with more 1s than the prefix of the same length. Finite prefix normal words were introduced in [Fici and Lipták, DLT 2011]. In this paper, we study infinite prefix normal words and explore their relationship to some known classes of infinite binary words. In particular, we establish a connection between prefix normal words and Sturmian words, between prefix normal words and abelian complexity, and between prefix normality and lexicographic order.

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Fußnoten
1
For ease of presentation, we use Lyndon to mean lexicographically greatest among its conjugates; this is equivalent to the usual definition up to renaming characters.
 
2
Note the different terminology in [17]: characteristic word \(\rightarrow \) proper standard Sturmian, Sturmian \(\rightarrow \) proper Sturmian, rational mechanical word \(\rightarrow \) periodic Sturmian.
 
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Metadaten
Titel
On Infinite Prefix Normal Words
verfasst von
Ferdinando Cicalese
Zsuzsanna Lipták
Massimiliano Rossi
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-10801-4_11