Layout problems on lattice graphs

  • Authors:
  • Josep Díaz;Mathew D. Penrose;Jordi Petit;María Serna

  • Affiliations:
  • Departament de Llenguatges i Sistemes Informátics, Universitat Politècnica de Catalunya, Barcelona, Spain;Department of Mathematical Sciences, University of Durham, Durham, England;Departament de Llenguatges i Sistemes Informátics, Universitat Politècnica de Catalunya, Barcelona, Spain;Departament de Llenguatges i Sistemes Informátics, Universitat Politècnica de Catalunya, Barcelona, Spain

  • Venue:
  • COCOON'99 Proceedings of the 5th annual international conference on Computing and combinatorics
  • Year:
  • 1999

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Abstract

This work deals with bounds on the cost of layout problems for lattice graphs and random lattice graphs. Our main result in this paper is a convergence theorem for the optimal cost of the Minimum Linear Arrangement problem and the Minimum Sum Cut problem, for the case where the underlying graph is obtained through a subcritical site percolation process. This result can be viewed as an analogue of the Beardwood, Halton and Hammersley theorem for the Euclidian TSP. Finally we estimate empirically the value for the constant in the mentioned theorem.