Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
426870 | Information and Computation | 2009 | 10 Pages |
Abstract
We continue the investigation of representing a language as a catenation of languages, each of which cannot be further decomposed in a nontrivial fashion. We study such prime decompositions, both finite and infinite ones. The notion of a length code, an extension of the notion of a code leads to general results concerning decompositions of star languages. Special emphasis is on the decomposition of regular languages. Also some open problems are mentioned.
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Physical Sciences and Engineering
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Computational Theory and Mathematics