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The Boolean Closure of Growing Context-Sensitive Languages

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Developments in Language Theory (DLT 2006)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 4036))

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Abstract

The class of growing context-sensitive languages (GCSL) is a naturally defined subclass of context-sensitive languages whose membership problem is solvable in polynomial time. GCSL and its deterministic counterpart called Church-Rosser Languages (CRL) complement the Chomsky hierarchy in a natural way [9]. In this paper, the extension of GCSL obtained by closures of this class under the boolean operations are investigated. We show that there exists an infinite intersection hierarchy, answering an open problem from [1]. Further, we compare the expressive power of the boolean closures of GCSL, CRL, CFL and LOGCFL.

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Jurdziński, T. (2006). The Boolean Closure of Growing Context-Sensitive Languages. In: Ibarra, O.H., Dang, Z. (eds) Developments in Language Theory. DLT 2006. Lecture Notes in Computer Science, vol 4036. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11779148_23

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  • DOI: https://doi.org/10.1007/11779148_23

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-35428-4

  • Online ISBN: 978-3-540-35430-7

  • eBook Packages: Computer ScienceComputer Science (R0)

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