A Euclidean Ramsey result in the plane
The electronic journal of combinatorics, Tome 24 (2017) no. 4
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Zbl arXiv
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.
DOI :
10.37236/7148
Classification :
05D10, 05C12
Mots-clés : Euclidean Ramsey theory, plane, combinatorial geometry
Mots-clés : Euclidean Ramsey theory, plane, combinatorial geometry
Affiliations des auteurs :
Sergei Tsaturian  1
Sergei Tsaturian. A Euclidean Ramsey result in the plane. The electronic journal of combinatorics, Tome 24 (2017) no. 4. doi: 10.37236/7148
@article{10_37236_7148,
author = {Sergei Tsaturian},
title = {A {Euclidean} {Ramsey} result in the plane},
journal = {The electronic journal of combinatorics},
year = {2017},
volume = {24},
number = {4},
doi = {10.37236/7148},
zbl = {1376.05161},
url = {http://geodesic.mathdoc.fr/articles/10.37236/7148/}
}
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