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IEICET
2007
15 years 6 months ago
2007
183
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SIAMCOMP
2008
15 years 6 months ago
2008
Helly's theorem says that, if every d+1 elements of a given finite set of convex objects in Rd have a common point, there is a point common to all of the objects in the set. I...
164
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SIAMDM
2008
15 years 6 months ago
2008
In this short note we prove that there is a constant c such that every k-edge-coloring of the complete graph Kn with n 2ck contains a K4 whose edges receive at most two colors. Th...