Algorithms for media

  • Authors:
  • David Eppstein;Jean-Claude Falmagne

  • Affiliations:
  • Computer Science Department, University of California, Irvine, Irvine, CA 92697, USA;Department of Cognitive Sciences, University of California, Irvine, Irvine, CA 92697, USA

  • Venue:
  • Discrete Applied Mathematics
  • Year:
  • 2008

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Abstract

Falmagne recently introduced the concept of a medium, a combinatorial object encompassing hyperplane arrangements, topological orderings, acyclic orientations, and many other familiar structures. We find efficient solutions for several algorithmic problems on media: finding short reset sequences, shortest paths, testing whether a medium has a closed orientation, and listing the states of a medium given a black-box description.