Discrete Mathematics, Volume 48

Volume 48, Number 1, January 1984

• Richard A. Brualdi, John L. Goldwasser:
  Permanent of the Laplacian matrix of trees and bipartite graphs. 1-21
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• G. F. Clements:
  Antichains in the set of subsets of a multiset. 23-45
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• S. Z. Ditor:
  Cardinality questions concerning semilattices of finite breadth. 47-59
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• Paul Erdös, N. Hindman:
  Enumeration of intersecting families. 61-65
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• Hortensia Galeana-Sánchez, Victor Neumann-Lara:
  On kernels and semikernels of digraphs. 67-76
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• Guan Meigu, Li Weixuan, Wang Zheming:
  The convex weighting of a graph and an alternative definition of a matroid. 77-81
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• Peter D. Johnson:
  Simple product colorings. 83-85
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• K. V. Menon:
  A determinant of symmetric forms. 87-93
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• D. Miklós:
  Great intersecting families of edges in hereditary hypergraphs. 95-99
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• Moshe Mor, Aviezri S. Fraenkel:
  Cayley permutations. 101-112
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• D. V. S. Sastry, B. Syam Prasad Raju:
  Graph equations for line graphs, total graphs, middle graphs and quasi-total graphs. 113-119
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• Cai Mao-cheng:
  On a problem of Katona on minimal completely separating systems with restrictions. 121-123
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• Peter Kleinschmidt, Carl W. Lee:
  On k-stacked polytopes. 125-127
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• Jozef Sirán:
  Infinite families of crossing-critical graphs with a given crossing number. 129-132
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Volume 48, Numbers 2-3, February 1984

• Ronald V. Book:
  Homogeneous Thue systems and the Church-Rosser property. 137-145
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• W. G. Brown, Miklós Simonovits:
  Digraph extremal problems, hypergraph extremal problems, and the densities of graph structures. 147-162
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• Marshall Buck, Douglas H. Wiedemann:
  Gray codes with restricted density. 163-171
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• L. R. A. Casse, David G. Glynn:
  On the uniqueness of (q + 1)₄-arcs of PG(4, q), Q = 2^h, h >=3. 173-186
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• Konrad Engel:
  Strong properties in partially ordered sets II. 187-196
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• Ralph J. Faudree, J. Sheehan:
  Regular graphs and edge chromatic number. 197-204
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• Peter Frankl, Zoltán Füredi:
  A new extremal property of Steiner triple-systems. 205-212
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• Afrodita Iorgulescu:
  On the construction of three-valued Lukasiewicz-Moisil algebras. 213-227
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• Stanislav Jendrol, Michal Tkác:
  On the simplicial 3-polytopes with only two types of edges. 229-241
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• Francesco Mazzocca, Nicola Melone:
  Caps and Veronese varieties in projective Galois spaces. 243-252
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• Jean-Pierre Pécuchet:
  Solutions principales et rang d'un système d'équations avec constantes dans le monoïde libre. 253-274
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• James W. Walker:
  Isotone relations and the fixed point property for posets. 275-288
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• Wang Shang-Zhi, Li Bo-Yu:
  On the minimal cofinal subsets of a directed quasi-ordered set. 289-306
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• M. L. H. Willems:
  Semi Laguerre i-structures. 307-314
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• L. Zhu:
  Orthogonal latin squares with subsquares. 315-321
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• A. Cambini:
  An explicit form of the inverse of a particular circulant matrix. 323-325
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• P. Frankl:
  A new short proof for the Kruskal-Katona theorem. 327-329
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• Paul Erdös, Zbigniew Palka:
  Addendum to "trees in random graphs". 331
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