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On the centers of the set of weakly square-free words on a two letter alphabet

โœ Scribed by Arturo Carpi

Book ID
113162693
Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
313 KB
Volume
19
Category
Article
ISSN
0020-0190

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๐Ÿ“œ SIMILAR VOLUMES

On the number of Abelian square-free wor
On the number of Abelian square-free words on four letters
โœ Arturo Carpi ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 786 KB

An Abelian square-free substitution on four letters is exhibited. We derive that. on a fourletter alphabet, the number of Abelian square-free words of each length grows exponentially. infinite Abelian square-free words are uncountable and the monoid of Abelian square-free endomorphisms is not finit

On a generalization of the dyck-language
On a generalization of the dyck-language over a two letter alphabet
โœ Helmut Prodinger ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 509 KB

Some properties of the language {w E (a, b}\* 1 d;) = (g)}, which can be regarded as a generalization of the (unrestricted) Dyck-language, are given. (Q are the binomial coefficients for words.)