Details

Context-free Languages And Primitive Words


Context-free Languages And Primitive Words



von: Ito Masami Ito

70,00 €

Verlag: World Scientific Publishing
Format: EPUB, PDF
Veröffentl.: 25.09.2014
ISBN/EAN: 9789814616553
Sprache: englisch
Anzahl Seiten: 520

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Beschreibungen

A word is said to be primitive if it cannot be represented as any power of another word. It is a well-known conjecture that the set of all primitive words Q over a non-trivial alphabet is not context-free: this conjecture is still open. In this book, the authors deal with properties of primitive words over a non-primitive alphabet, the language consisting of all primitive words and related languages. Moreover, some decidable and undecidable problems with respect to the above languages are discussed as well. As another try, a search for a non-phrase structure grammar which generates Q is performed.

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