Discrete Mathematics, Volume 31
Volume 31, Number 1, 1980
Kenneth P. Bogart: Incidence codes of posets: Eulerian posets and Reed-Muller codes. 1-7- T. D. Parsons, Tomaz Pisanski, Brad Jackson: Dual imbeddings and wrapped quasi-coverings of graphs. 43-52
- George B. Purdy, John E. Wetzel: Two-coloring inequalities for Euclidean arrangements in general position. 53-58
- David W. Walkup: Matchings in random regular bipartite digraphs. 59-64
- Doron Zeilberger: Partial difference equations in m1>=m2>= ... >=mn>=0 and their applications to combinatorics. 65-77
- Tor Bu: Partitions of a vector space. 79-83
- M. L. Gardner: Forbidden configurations in intersection graphs of r-graphs. 85-88
- Yahya Ould Hamidoune: On the decomposition of a minimally strongly h-connected digraph into h+1 acircuitic sub-graphs. 89-90
- S. P. Mohanty: Shortest string containing all permutations. 91-95
- Anders Björner: Some matroid inequalities. 101-103
- Yahya Ould Hamidoune: A property of a-fragments of a digraph. 105-106
- Denis Naddef, Najiba Sbihi, Maurice Tchuente: Independence systems with continuous cardinality of bases. 107-109
- L. Zhu: A pair of orthogonal Steiner systems S(3, 5, 17). 111-113
Volume 31, Number 2, 1980
- Amos Altshuler, Jürgen Bokowski, Leon Steinberg: The classification of simplicial 3-spheres with nine vertices into polytopes and nonpolytopes. 115-124
- Lars Døvling Andersen, Anthony J. W. Hilton: Generalized Latin rectangles I: Construction and decomposition. 125-152
- Tom Brylawski, James G. Oxley: Several identities for the characteristic polynomial of a combinatorial geometry. 161-170
- Paul H. Edelman: Chain enumeration and non-crossing partitions. 171-180
- J. D. Henstridge, Cheryl E. Praeger: Note on primitive permutation groups and a diophantine equation. 181-183
- R. H. Johnson: Properties of unique realizations - a survey. 185-192
- Kevin T. Phelps: Automorphism free latin square graphs. 193-200
- Michael D. Plummer: On n-extendable graphs. 201-210
- Hans S. Witsenhausen: On intersections of interval graphs. 211-216
- Marie-Claude Heydemann: On cycles and paths in digraphs. 217-219
- Manfred Schulz: An example of a cubic graph with two orbits and simple eigenvalue sqrt(3). 221-222
Volume 31, Number 3, 1980
- Marilena Barnabei, Andrea Brini: Some properties of characteristic polynomials and applications to T-lattices. 261-270
- Günther Malle: Edge orientations on cubic graphs with a maximum number of pairs of oppositely oriented edges. 293-296
- Stephen B. Maurer, I. Rabinovitch, William T. Trotter: Large minimal realizers of a partial order II. 297-313
- Carsten Thomassen: On the number of Hamiltonian cycles in tournaments. 315-323
- Rudolf Halin: A note on infinite triangulated graphs. 325-326
- Michel Las Vergnas: Fundamental circuits and a characterization of binary matroids. 327
- J.-C. Fournier: Demonstration simple du theoreme de Kuratowski et de sa forme duale. 329-332
- Douglas R. Stinson: A skew room square of order 129. 333-335
- Jacques Wolfmann: A new construction of the binary golay code (24, 12, 8) using a group algebra over a finite field. 337-338
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