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| Title: | Mathematics at DEC |
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| Moderator: | RUSURE::EDP |
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| Created: | Mon Feb 03 1986 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 2083 |
| Total number of notes: | 14613 |
147.0. "A 7 pt problem of Erdos" by HARE::STAN () Fri Sep 14 1984 10:05
Erdos asks: Can you find 7 points in the plane
such that one distance appears once, one two times, ..., one 6 times?
No three points should be on a line, no four on a circle.
Reference
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Paul Erdos, Combinatorial Problems in Geometry. Math Chronicle. 12(1983)35-54.
| T.R | Title | User | Personal
Name | Date | Lines |
|---|
| 147.1 | | TURTLE::GILBERT | | Sat Sep 15 1984 18:48 | 2 |
| Since the problem asks for 7 points, rather than 6 or 5, I assume that there
is a known solution for 6 points. Could it be supplied here?
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| 147.2 | | HARE::STAN | | Sun Sep 16 1984 15:31 | 3 |
| I don't have the original article, only a review of it (from Math Reviews).
So readers: can you find a solution with 6 points?
|