File:Petersen graph, two crossings.svg
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Original file (SVG file, nominally 500 × 500 pixels, file size: 2 KB)
The Petersen graph drawn with only two crossings, which is the smallest number possible.
David Benbennick wrote this SVG file. I release all rights to it.
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
W3C-validity not checked.File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:08, 2 September 2010 | | 500 × 500 (2 KB) | wikimediacommons>David Eppstein | Nicer vertex positioning (although the combinatorial structure of the layout remains unchanged) that makes it more obvious that this is indeed the Petersen graph; also, indicate the crossings by breaks in the edges. |
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