DM
2002
15 years 14 days ago
2002
Some recent results provide su cient conditions for complete lattices of closure operators on complete lattices, ordered pointwise, to be pseudocomplemented. This paper gives resu...
62
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DM
2002
15 years 14 days ago
2002
47
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DM
2002
15 years 14 days ago
2002
DM
2002
15 years 14 days ago
2002
For each prime p, we construct an infinite antichain of matroids in which each matroid has characteristic set {p}. For p = 2, each of the matroids in our antichain is an excluded m...
99
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DM
2002
15 years 14 days ago
2002
We propose two new classes of non-adaptive pooling designs. The first one is guaranteed to be
82
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DM
2002
15 years 14 days ago
2002
We investigate the minimum and maximum number of colors in edge-colorings of Kn,n such that every copy of Kp,p receives at least q and at most q colors. Along the way we improve t...
131
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DM
2002
15 years 14 days ago
2002
A simple characterization of the 3, 4, or 5-colorable Eulerian triangulations of the projective plane is given. Key words: Projective plane, triangulation, coloring, Eulerian grap...
51
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DM
2002
15 years 14 days ago
2002
61
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DM
2002
15 years 14 days ago
2002
52
Voted
DM
2002
15 years 14 days ago
2002
