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research
There are integral heptagons, no three points on a line, no four on a circle
Authors
Tobias Kreisel
Sascha Kurz
Publication date
1 January 2006
Publisher
Doi
Cite
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on
arXiv
Abstract
We give two configurations of seven points in the plane, no three points in a line, no four points on a circle with pairwise integral distances. This answers a famous question of Paul Erd\H{o}s.Comment: 4 pages, 1 figur
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