Image:Hadwiger conjecture.svg
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Hadwiger_conjecture.svg (SVG file, nominally 630 × 630 pixels, file size: 3 KB)
| This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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| Description |
A graph G that requires four colors in any coloring, and four connected subsets of vertices that, when contracted, form a K4 minor of G, illustrating the case k = 4 of Hadwiger's conjecture |
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| Source |
self-made |
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| Date |
May 25, 2008 |
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| Author | |||
| Permission (Reusing this image) |
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File history
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| Date/Time | Dimensions | User | Comment | |
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| current | 20:47, 25 May 2008 | 630×630 (3 KB) | David Eppstein | ({{Information |Description=A graph ''G'' that requires four colors in any coloring, and four connected subsets of vertices that, when contracted, form a ''K''<sub>4</sub> minor of ''G'', illustrating the case ''k'' = 4 of [[:) |
