An exact algorithm for minimum distortion embedding

  • Authors:
  • Fedor V. Fomin;Daniel Lokshtanov;Saket Saurabh

  • Affiliations:
  • Department of Informatics, University of Bergen, Norway;Department of Computer Science and Engineering, University of California, San Diego, USA;The Institute of Mathematical Sciences, Chennai, India

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2011

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Abstract

Let G be an unweighted connected graph on n vertices. We show that an embedding of the shortest path metric of G into the line with minimum distortion can be found in time 5^n^+^o^(^n^). This is the first algorithm breaking the trivial n!-barrier.