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An Application of Combinatorial Optimization to Statistical Physics and Circuit Layout Design

Author

Listed:
  • Francisco Barahona

    (University of Waterloo, Ontario, Canada)

  • Martin Grötschel

    (Universitat Augsburg, Augsburg, West Germany)

  • Michael Jünger

    (Universitat Augsburg, Augsburg, West Germany)

  • Gerhard Reinelt

    (Universitat Augsburg, Augsburg, West Germany)

Abstract

We study the problem of finding ground states of spin glasses with exterior magnetic field, and the problem of minimizing the number of vias (holes on a printed circuit board, or contacts on a chip) subject to pin preassignments and layer preferences. The former problem comes up in solid-state physics, and the latter in very-large-scale-integrated (VLSI) circuit design and in printed circuit board design. Both problems can be reduced to the max-cut problem in graphs. Based on a partial characterization of the cut polytope, we design a cutting plane algorithm and report on computational experience with it. Our method has been used to solve max-cut problems on graphs with up to 1,600 nodes.

Suggested Citation

  • Francisco Barahona & Martin Grötschel & Michael Jünger & Gerhard Reinelt, 1988. "An Application of Combinatorial Optimization to Statistical Physics and Circuit Layout Design," Operations Research, INFORMS, vol. 36(3), pages 493-513, June.
    • Handle: RePEc:inm:oropre:v:36:y:1988:i:3:p:493-513
    DOI: 10.1287/opre.36.3.493
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