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Context-Free Languages & Primitive Words
Hardcover
General MathematicsProgramming
ISBN13: 9789814271660
Publisher: World Scientific Publishing Company
Published: Jun 30 2012
Pages: 520
Weight: 1.85
Height: 1.30 Width: 6.30 Depth: 9.00
Language: English
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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