Ramsey Theory ◽  
2011 ◽  
pp. 115-120
Author(s):  
Ron Graham ◽  
Eric Tressler

2007 ◽  
Vol 38 (1) ◽  
pp. 155-167 ◽  
Author(s):  
James H. Schmerl

2011 ◽  
Vol 39 (3) ◽  
pp. 377-390 ◽  
Author(s):  
Noga Alon ◽  
Alexandr Kostochka

10.37236/7148 ◽  
2017 ◽  
Vol 24 (4) ◽  
Author(s):  
Sergei Tsaturian

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.


2015 ◽  
Vol 41 (4) ◽  
pp. 299-310
Author(s):  
I. D. Shkredov

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