Four color theorem

Known as: Four colour map problem, Four color map theorem, Four Colour Theorem 
In mathematics, the four color theorem, or the four color map theorem, states that, given any separation of a plane into contiguous regions… (More)
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Papers overview

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2010
2010
This paper considers the problem of showing that every pair of binary trees with the same number of leaves parses a common word… (More)
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2010
2010
Recent work on early vision such as image segmentation, image restoration, stereo matching, and optical flow models these… (More)
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Highly Cited
2008
Highly Cited
2008
The Tale of a Brainteaser Francis Guthrie certainly did it, when he coined his innocent little coloring puzzle in 1852. He… (More)
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2008
2008
A marker-controlled and regularized watershed segmentation is proposed for cell segmentation. Only a few previous studies address… (More)
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Highly Cited
2007
Highly Cited
2007
As has become standard, the four color map problem will be considered in the dual sense as the problem of whether the vertices of… (More)
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2005
2005
Fu Yuhua (CNOOC Research Institute, E-mail:fuyh1945@sina.com) Abstract: With the help of Neutrosophy and Quad-stage Method, the… (More)
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2003
2003
Coloring planar Feynman diagrams in spinor quantum electrody-namics, is a non trivial model soluble without computer. Four colors… (More)
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2002
2002
In this paper, we introduce graph theory, and discuss the Four Color Theorem. Then we prove several theorems, including Euler’s… (More)
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1997
1997
We present a statement about Lie algebras that is equivalent to the Four Color Theorem. 
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1996
1996
There exist exactly 4044 topological types of 4-colorable tile-4-transitive tilings of the plane. These can be obtained by… (More)
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