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Topic: math challenge
Replies: 11   Last Post: Apr 28, 2014 3:33 AM

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Posts: 12
Registered: 6/23/13
math challenge
Posted: Apr 27, 2014 2:52 AM
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Given 3 points in the 2d plane with integer coordinates, show that there are 2 points with distance at least (2r)^(1/3), where r is the radius of the circumcircle. (note: better than the r^(1/3) in a putnam problem)

can the bound be improved ?

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