The "Not-Too-Heavy Spanning Tree" Constraint

  • Authors:
  • Grégoire Dooms;Irit Katriel

  • Affiliations:
  • Department of Computer Science, Brown University, Providence, RI,;Department of Computer Science, Brown University, Providence, RI,

  • Venue:
  • CPAIOR '07 Proceedings of the 4th international conference on Integration of AI and OR Techniques in Constraint Programming for Combinatorial Optimization Problems
  • Year:
  • 2007

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Abstract

We develop filtering algorithms for the Weight-Bounded Spanning Tree (WBST(G,T,I,W)) constraint, which is defined on undirected graph variables Gand T, a scalar variable Iand a vector of scalar variables W. It specifies that Tis a spanning tree of Gwhose total weight is at most I, where Wis a vector of the edge weights.