File:Hadwiger-Nelson.svg
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Size of this PNG preview of this SVG file: 327 × 268 pixels. Other resolutions: 293 × 240 pixels | 586 × 480 pixels | 937 × 768 pixels | 1,250 × 1,024 pixels | 2,499 × 2,048 pixels.
Original file (SVG file, nominally 327 × 268 pixels, file size: 4 KB)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:22, 26 July 2007 | | 327 × 268 (4 KB) | commons>David Eppstein | {{Information |Description=Hadwiger–Nelson problem: 7-coloring of the plane and 4-chromatic unit distance graph. |Source=self-made, originally for [http://www.ics.uci.edu/~eppstein/junkyard/c |
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