File:4-critical graph.png
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4-critical_graph.png (443 × 322 pixels, file size: 16 KB, MIME type: image/png)
Summary
An example of a 4 critical graph. Its chromatic number is 4 but all of its proper subgraphs have chromatic number less than 4.
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Lua error in package.lua at line 80: module 'strict' not found.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:18, 9 January 2017 | | 443 × 322 (16 KB) | 127.0.0.1 (talk) | An example of a 4 critical graph. Its chromatic number is 4 but all of its proper subgraphs have chromatic number less than 4. |
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