|
|||||
|
|
There Are Integral Heptagons, no Three Points on a Line, no Four on a Circle |
|
| Authors: | Tobias Kreisel Sascha Kurz |
| Affiliation: | (1) Department of Mathematics, University of Bayreuth, 95440 Bayreuth, Germany |
| 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. |
| Keywords: | Integral distances Exhaustive search Orderly generation Solution to an Erdő s problem |
| 本文献已被 SpringerLink 等数据库收录！ | |