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EJC
1998
13 years 4 months ago
On Weak Maps of Ternary Matroids
James G. Oxley, Geoffrey P. Whittle
EJC
1998
13 years 4 months ago
On Normal Cayley Graphs and Hom-idempotent Graphs
Benoit Larose, François Laviolette, Claude ...
EJC
1998
13 years 4 months ago
Isotropic Vectors of Non-negative Integral Quadratic Forms
Hans-Joachim von Höhne, José Antonio d...
EJC
1998
13 years 4 months ago
Isotopy of Polygonal Domains for Generalized Polygons
in Proceedings of EuroCG, Berlin, M¨arz 2001, pp. 142–145. [14] Branched coverings, triangulations, and 3-manifolds, (mit Ivan Izmestiev). Adv. Geometry, 3:191–225, 2003. [15]...
Michael Joswig
EJC
1998
13 years 4 months ago
A Convexity Lemma and Expansion Procedures for Bipartite Graphs
A hierarchy of classes of graphs is proposed which includes hypercubes, acyclic cubical complexes, median graphs, almost median graphs, premedian graphs and partial cubes. Structu...
Wilfried Imrich, Sandi Klavzar
EJC
1998
13 years 4 months ago
Checkered Hadamard Matrices of Order 16
R. W. Goldbach, H. L. Claasen