Regular Splicing Languages Must Have a Constant

  • Paola Bonizzoni
  • Natasha Jonoska
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6795)

Abstract

In spite of wide investigations of finite splicing systems in formal language theory, basic questions, such as their characterization, remain unsolved. In search for understanding the class of finite splicing systems, it has been conjectured that a necessary condition for a regular language L to be a splicing language is that L must have a constant in the Schützenberger’s sense. We prove this longstanding conjecture to be true. The result is based on properties of strongly connected components of the minimal deterministic finite state automaton for a regular splicing language.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Paola Bonizzoni
    • 1
  • Natasha Jonoska
    • 2
  1. 1.Dipartimento di Informatica Sistemistica e ComunicazioneUniv. degli Studi di Milano - BicoccaMilanoItaly
  2. 2.Department of Mathematics and StatisticsUniversity of South FloridaTampaUSA

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