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Title: Regular and context-free pattern languages over small alphabets
Authors: Reidenbach, Daniel
Schmid, Markus L.
Keywords: Pattern languages
Regular languages
Context-free languages
Issue Date: 2012
Publisher: © Springer-Verlag Berlin Heidelberg 2012
Citation: REIDENBACH, D. and SCHMID, M.L., 2012. Regular and context-free pattern languages over small alphabets. IN: Yen, H.-C. and Ibarra, O.H. (eds.). Developments in Language Theory: 16th International Conference, DLT 2012 Taipei, Taiwan, August 14-17, 2012 Proceedings. Lecture Notes In Computer Science; 7410, pp.130-141.
Series/Report no.: Lecture Notes In Computer Science; 7410
Abstract: Pattern languages are generalisations of the copy language, which is a standard textbook example of a context-sensitive and noncontext- free language. In this work, we investigate a counter-intuitive phenomenon: with respect to alphabets of size 2 and 3, pattern languages can be regular or context-free in an unexpected way. For this regularity and context-freeness of pattern languages, we give several sufficient and necessary conditions and improve known results.
Description: The final publication is available at www.springerlink.com.
Version: Accepted for publication
DOI: 10.1007/978-3-642-31653-1_13
URI: https://dspace.lboro.ac.uk/2134/10117
Publisher Link: http://dx.doi.org/10.1007/978-3-642-31653-1_13
ISBN: 9783642316524
ISSN: 0302-9743
Appears in Collections:Conference Papers and Presentations (Computer Science)

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