There Are Integral Heptagons, no Three Points on a Line, no Four on a Circle
There Are Integral Heptagons, no Three Points on a Line, no Four on a Circle
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存在完整的七边形,线上没有三点,圆上没有四点
DOI:
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发表时间:
2008
影响因子:
0.8
通讯作者:
Sascha Kurz
中科院分区:
文献类型:
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作者:
Tobias Kreisel;Sascha Kurz
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 Erdős.