Decision problems for linear and circular splicing systems

  • Authors:
  • Paola Bonizzoni;Clelia De Felice;Giancarlo Mauri;Rosalba Zizza

  • Affiliations:
  • Dipartimento di Informatica Sistemistica e Comunicazione, Università degli Studi di Milano, Bicocca, Milano, Italy;Dipartimento di Informatica ed Applicazioni, Università di Salerno, Baronissi, SA, Italy;Dipartimento di Informatica Sistemistica e Comunicazione, Università degli Studi di Milano, Bicocca, Milano, Italy;Dipartimento di Informatica ed Applicazioni, Università di Salerno, Baronissi, SA, Italy

  • Venue:
  • DLT'02 Proceedings of the 6th international conference on Developments in language theory
  • Year:
  • 2002

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Abstract

We will consider here the splicing systems, generative devices inspired by cut and paste phenomena on DNA molecules under the action of restriction and ligase enzymes. A DNA strand can be viewed as a string over a four letter alphabet (the four deoxyribonucleotides), therefore we can model DNA computation within the framework of formal language theory. In spite of a vast literature on splicing systems, briefly surveyed here, a few problems related to their computational power are still open. We intend to evidence how classical techniques and concepts in automata theory are a legitimate tool for investigating some of these problems.