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123
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DM
2002
15 years 3 months ago
2002
Abstract. A lecture hall partition of length n is a sequence (1, 2, . . . , n) of nonnegative integers satisfying 0 1/1
107
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DM
1999
15 years 3 months ago
1999
We give an alternative proof of the fact that a planar function cannot exist on groups of even order. The argument involved leads us to define a class of functions which we
103
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DM
1999
15 years 3 months ago
1999
For an arbitrary subset P of the reals, we define a function f: V P to be a Pdominating function of graph G = (V, E) if the sum of the function values over any
DM
2006
15 years 4 months ago
2006
A skew partition as defined by Chv
100
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DM
2007
15 years 4 months ago
2007
We give a decomposition theorem for signed graphs whose frame matroids are binary and a decomposition theorem for signed graphs whose frame matroids are quaternary.