A Euclidean Ramsey result in the plane (Q1684650)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A Euclidean Ramsey result in the plane |
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A Euclidean Ramsey result in the plane (English)
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12 December 2017
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Summary: An old question in Euclidean Ramsey theory asks, if the points in the plane are red-blue coloured, does there always exist a red pair of points at unit distance or five blue points in line separated by unit distances? An elementary proof answers this question in the affirmative.
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Euclidean Ramsey theory
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plane
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combinatorial geometry
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