Discrete Applied Mathematics, Volume 81

Volume 81, Number 1-3, January 1998

• Jorge L. Ramírez Alfonsín:
  On Variations of the Subset Sum Problem. 1-7
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• Frank E. Bennett, Lisheng Wu:
  Minimum Matrix Representation of Sperner Systems. 9-17
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• Catherine Z. W. Hassell Sweatman, Gavin J. Gibson, Bernard Mulgrew:
  Exact Classification with Two-layer Neural Nets in N Dimensions. 19-39
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• Dih Jiun Guan:
  Routing a Vehicle of Capacity Greater than one. 41-57
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• Petr Hlinený:
  The Maximal Clique and Colourability of Curve Contact Graphs. 59-68
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• Yanpei Liu, Aurora Morgana, Bruno Simeone:
  A Linear Algorithm for 2-bend Embeddings of Planar Graphs in the Two-dimensional Grid. 69-91
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• Claire Hanen, Alix Munier Kordon:
  Performance of Coffman-Graham Schedules in the Presence of Unit Communication Delays. 93-108
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• James G. Oxley, Don Row:
  Panelling Planar Graphs. 109-122
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• Maria Grazia Scutellà:
  A Strongly Polynomial Algorithm for the Uniform Balanced Network Flow Problem. 123-131
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• Charles R. Blair:
  Sensitivity Analysis for Knapsack Problems: A Negative Result. 133-139
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• Dasong Cao, George L. Nemhauser:
  Polyhedral Characterizations, Perfection of Line Graphs. 141-154
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• Arturo Carpi:
  On the Number of Abelian Square-free Words on Four Letters. 155-167
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• Lenwood S. Heath, John Paul C. Vergara:
  Edge-packing Planar Graphs by Cyclic Graphs. 169-180
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• Ewa Kubicka, Grzegorz Kubicki, Ortrud Oellermann:
  Steiner Intervals in Graphs. 181-190
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• Rong Lin, Stephan Olariu:
  A Fast Parallel Algorithm to Recognize P4-sparse Graphs. 191-215
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• Gerard Sierksma:
  Interchange Graphs and the Hamiltonian Cycle Polytope. 217-224
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• Roberto Conti, Pierluigi Contucci, Corrado Falcolini:
  Polynomial Invariants for Trees a Statistical Mechanics Approach. 225-237
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• Kazuo Iwama, Eiji Miyano:
  Better Approximations of Non-Hamiltonian Graphs. 239-261
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