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86
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DM
2000
103views more  DM 2000»
15 years 19 days ago
Feasible edge colorings of trees with cardinality constraints
A variation of preemptive open shop scheduling corresponds to
Dominique de Werra, Alain Hertz, Daniel Kobler, Na...
98
Voted
DM
2002
89views more  DM 2002»
15 years 19 days ago
A note on the Gallai-Roy-Vitaver Theorem
The well-known theorem by Gallai
Gerard J. Chang, Li-Da Tong, Jing-Ho Yan, Hong-Gwa...
73
Voted
DM
2002
78views more  DM 2002»
15 years 19 days ago
On the half?half case of the Zarankiewicz problem
Consider the minimum number f(m, n) of zeroes in a 2m
Jerrold R. Griggs, Chih-Chang Ho
81
Voted
DM
2002
104views more  DM 2002»
15 years 19 days ago
4-connected maximal planar graphs are 4-ordered
It is shown that in a 4-connected maximal planar graph there is for any four vertices a, b, c and d, a cycle in the graph that contains the four vertices and visits them in the or...
Wayne Goddard
73
Voted
DM
2002
107views more  DM 2002»
15 years 19 days ago
A Fibonacci tiling of the plane
Abstract. We describe a tiling of the plane, motivated by architectural constructions of domes, in which the Fibonacci series appears in many ways.
Charles W. Huegy, Douglas B. West