Symmetric ILP: Coloring and small integers

  • Authors:
  • FrançOis Margot

  • Affiliations:
  • Tepper School of Business, Carnegie Mellon University, Pittsburgh, PA 15213-3890, United States

  • Venue:
  • Discrete Optimization
  • Year:
  • 2007

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Abstract

This paper presents techniques for handling symmetries in integer linear programs where variables can take integer values, extending previous work dealing exclusively with binary variables. Orthogonal array construction and coloring problems are used as illustrations.