Local cuts revisited

  • Authors:
  • Christoph Buchheim;Frauke Liers;Marcus Oswald

  • Affiliations:
  • Universität zu Köln, Institut für Informatik, Pohligstraíe1, 50969 Köln, Germany;Universität zu Köln, Institut für Informatik, Pohligstraíe1, 50969 Köln, Germany;Universität Heidelberg, Institut für Informatik, Im Neuenheimer Feld 368, 69120 Heidelberg, Germany

  • Venue:
  • Operations Research Letters
  • Year:
  • 2008

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Abstract

We present a variant of the local cut generation procedure by Applegate, Bixby, Chvatal and Cook. Unlike the original procedure, our method immediately yields a facet of the projected polytope as the solution of a single LP, without the need for the time-consuming tilting step. Moreover, our facets have big volume in general.