Discrete Mathematics, Volume 235

Volume 235, Number 1-3, May 2001

• Bernhard Korte, Jaroslav Nesetril:
  Vojtech Jarni'k's work in combinatorial optimization. 1-17
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• Carme Àlvarez, Josep Díaz, Maria J. Serna:
  The hardness of intervalizing four colored caterpillars. 19-27
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• Luitpold Babel, Ton Kloks, Jan Kratochvíl, Dieter Kratsch, Haiko Müller, Stephan Olariu:
  Efficient algorithms for graphs with few P₄'s. 29-51
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• S. Bylka:
  Local improving algorithms for large cuts in graphs with maximum degree three. 53-67
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• Kathie Cameron:
  Thomason's algorithm for finding a second hamiltonian circuit through a given edge in a cubic graph is exponential on Krawczyk's graphs. 69-77
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• Massimiliano Caramia, Paolo Dell'Olmo:
  A lower bound on the chromatic number of Mycielski graphs. 79-86
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• Jirí Fiala:
  Computational complexity of covering cyclic graphs. 87-94
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• Petr Hlinený:
  Contact graphs of line segments are NP-complete. 95-106
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• Florian Roussel, Irena Rusu:
  An O(n²) algorithm to color Meyniel graphs. 107-123
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• Ping Wang, Gerhard W. Dueck, S. MacMillan:
  Using simulated annealing to construct extremal graphs. 125-135
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• Robert Babilon:
  3-colourability of Penrose kite-and-dart tilings. 137-143
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• Christian Bey:
  An intersection theorem for weighted sets. 145-150
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• Sylvain Gravier, Michel Mollard, Charles Payan:
  On the nonexistence of three-dimensional tiling in the Lee metric II. 151-157
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• Izolda Gorgol:
  A note on a triangle-free -- complete graph induced Ramsey number. 159-163
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• Charles Laywine:
  A derivation of an affine plane of order 4 from a triangle-free 3-colored K₁₆. 165-171
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• Uwe Leck:
  Optimal shadows and ideals in submatrix orders. 173-187
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• Ales Drápal:
  Hamming distances of groups and quasi-groups. 189-197
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• Shalom Eliahou, Michel Kervaire:
  Restricted sums of sets of cardinality 1+p in a vector space over F_p. 199-213
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• Hiroshi Era, Kenjiro Ogawa, Morimasa Tsuchiya:
  On transformations of posets which have the same bound graph. 215-220
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• Sergei Evdokimov, Ilia N. Ponomarenko:
  Two-closure of odd permutation group in polynomial time. 221-232
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• Miroslav Fiedler:
  A numerical approach to long cycles in graphs and digraphs. 233-236
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• Dragan Stevanovic:
  Hosoya polynomial of composite graphs. 237-244
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• Josep Díaz, Jordi Petit, Maria J. Serna, Luca Trevisan:
  Approximating layout problems on random graphs. 245-253
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• János Komlós, Gábor N. Sárközy, Endre Szemerédi:
  Proof of the Alon-Yuster conjecture. 255-269
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• Brendan Nagle, Vojtech Rödl:
  The asymptotic number of triple systems not containing a fixed one. 271-290
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• Ioan Tomescu:
  On the number of graphs and h-hypergraphs with bounded diameter. 291-299
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• Adam Idzik, Zsolt Tuza:
  Heredity properties of connectedness in edge-coloured complete graphs. 301-306
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• János Körner, Katalin Marton:
  Relative capacity and dimension of graphs. 307-315
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• Frantisek Matús:
  Excluded minors for Boolean polymatroids. 317-321
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• Ladislav Nebesky:
  The set of geodesics in a graph. 323-326
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• Jaroslav Nesetril, Ales Pultr:
  A note on homomorphism-independent families. 327-334
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• Václav Nýdl:
  Graph reconstruction from subgraphs. 335-341
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• Robert Sámal, Jan Vondrák:
  The limit checker number of a graph. 343-347
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• Bohdan Zelinka:
  Periodicity of graph operators. 349-351
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• Denise Amar, André Raspaud, Olivier Togni:
  All-to-all wavelength-routing in all-optical compound networks. 353-363
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• Elena V. Konstantinova, Vladimir A. Skorobogatov:
  Application of hypergraph theory in chemistry. 365-383
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• Tomoki Nakamigawa:
  Nakade -- a graph theoretic concept in Go. 385-397
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• Petr Pancoska, Vi't Janota, Jaroslav Nesetril:
  Novel matrix descriptor for determination of the connectivity of secondary structure segments in proteins. Analysis of general properties using graph theory. 399-423
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