Immagine:Maximal three-colorable.png
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Maximal_three-colorable.png (300 × 137 pixel, dimensioni: 3 KB, tipo MIME: image/png)
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Diagram demonstrating two maximal three-colorings of different sizes, which shows that three-colorings do not form a matroid. The one on the left cannot be enlarged because the only remaining vertex is already adjacent to all three colors. Created by Derrick Coetzee in Adobe Illustrator and Photoshop.
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This image has been released into the public domain by its author, Dcoetzee. This applies worldwide. In some countries this may not be legally possible; if so: |
| date/time | username | edit summary |
|---|---|---|
| 22:26, 3 July 2005 | en:User:Deco | (fix) |
| 22:26, 3 July 2005 | en:User:Deco | (Diagram demonstrating two maximal three-colorings of different sizes, which shows that three-colorings do not form a <a href="/wiki/Matroid" title="Matroid">matroid</a>. The one on the left cannot be enlarged because the only remaining vertex is already adjacent to all three colors. Created by ) |
[edit] Historio de la dosiero
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- (del) (cur) 22:34, 3 July 2005 . . en:User:Deco Deco ( en:User_talk:Deco Talk) . . 300x137 (2789 bytes) (Fix spacing, color the vertices (leave numbers for B&W printouts).)
- (del) (rev) 22:26, 3 July 2005 . . en:User:Deco Deco ( en:User_talk:Deco Talk) . . 300x138 (2457 bytes) (Diagram demonstrating two maximal three-colorings of different sizes, which shows that three-colorings do not form a en:Matroid matroid. The one on the left cannot be enlarged because the only remaining vertex is already adjacent to all three colors. Created by )
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