Rearrangement Models and Single-Cut Operations

  • Authors:
  • Paul Medvedev;Jens Stoye

  • Affiliations:
  • Department of Computer Science, University of Toronto,;Technische Fakultät, Universität Bielefeld, Germany

  • Venue:
  • RECOMB-CG '09 Proceedings of the International Workshop on Comparative Genomics
  • Year:
  • 2009

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Abstract

There have been many widely used genome rearrangement models, such as reversals, Hannenhalli-Pevzner, and double-cut and join. Though each one can be precisely defined, the general notion of a model remains undefined. In this paper, we give a formal set-theoretic definition, which allows us to investigate and prove relationships between distances under various existing and new models. We also initiate the formal study of single-cut operations by giving a linear time algorithm for the distance problem under a new single-cut and join model.