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DM
1999
14 years 10 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
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DM
1999
14 years 10 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
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DM
1999
14 years 10 months ago
1999
Maximal sets of s mutually orthogonal Latin squares of order v are constructed for in
90
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DM
2008
14 years 10 months ago
2008
: Gould, Jacobson and Lehel (Combinatorics, Graph Theory and Algorithms, Vol.I (1999) 451
105
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DM
1999
14 years 10 months ago
1999
We prove that there are no n-agonal musquashes for n even with n = 6. This resolves a problem raised in Woodall's 1971 paper `Thrackles and Deadlock'. c 1999 Elsevier Sc...