Discrete Mathematics, Volume 232

Volume 232, Number 1-3, April 2001

• Michael H. Albert, Derek A. Holton, Richard J. Nowakowski:
  The ultimate categorical matching in a graph. 1-9
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• Javier Bracho, Ricardo Strausz:
  Nonisomorphic complete triangulations of a surface. 11-18
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• Gary Gordon, Elizabeth W. McMahon:
  A characteristic polynomial for rooted graphs and rooted digraphs. 19-33
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• Ivan Gutman, Irene Sciriha:
  On the nullity of line graphs of trees. 35-45
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• Masahiro Hachimori:
  Deciding constructibility of 3-balls with at most two interior vertices. 47-58
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• Alexej P. Pynko:
  Implicational classes of De Morgan Boolean algebras. 59-66
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• Constantin Smadici:
  On a combinatorial problem. 67-76
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• George E. Andrews, Richard P. Lewis:
  An algebraic identity of F.H. Jackson and its implications for partitions. 77-83
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• George E. Andrews, Richard P. Lewis:
  Restricted bipartitions. 85-89
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• M. Bayat, H. Teimoori:
  Minimal polynomial of Pascal matrices over the field Z_p . 91-94
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• Joseph E. Bonin, Hongxun Qin:
  Tutte polynomials of q-cones. 95-103
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• Celina M. Herrera de Figueiredo, Sylvain Gravier, Cláudia Linhares Sales:
  On Tucker's proof of the strong perfect graph conjecture for (K₄-e)-free graphs. 105-108
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• Jeffrey H. Dinitz, Alan C. H. Ling:
  The existence of referee squares. 109-112
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• Frank G. Garvan:
  A generalization of the Hirschhorn-Farkas-Kra septagonal numbers identity. 113-118
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• Ira M. Gessel:
  Acyclic orientations and chromatic generating functions. 119-130
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• Jochen Harant, Ingo Schiermeyer:
  On the independence number of a graph in terms of order and size. 131-138
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• Ferran Hurtado, Marc Noy:
  On the number of visibility graphs of simple polygons. 139-143
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• Mark Jarvis, Bing Zhou:
  Bounded vertex coloring of trees. 145-151
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• Khee Meng Koh, Eng Guan Tay:
  On a conjecture concerning optimal orientations of the cartesian product of a triangle and an odd cycle. 153-161
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• Daphne Der-Fen Liu:
  Hamiltonicity and circular distance two labellings. 163-169
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• Gregory L. Mayhew:
  Further results on de Bruijn weight classes. 171-173
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• Behnaz Omoomi, Yee-Hock Peng:
  Chromatic equivalence classes of certain cycles with edges. 175-183
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• Martin Sutton, Mirka Miller:
  On the sum number of wheels. 185-188
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• Thomas Zaslavsky:
  The largest demigenus of a bipartite signed graph. 189-193
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