File:Paley9-perfect.svg
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Size of this PNG preview of this SVG file: 300 × 300 pixels. Other resolutions: 240 × 240 pixels | 480 × 480 pixels | 768 × 768 pixels | 1,024 × 1,024 pixels | 2,048 × 2,048 pixels.
Original file (SVG file, nominally 300 × 300 pixels, file size: 3 KB)
Summary
| Description | The Paley graph of order 9, colored with three colors and showing a clique of three vertices. In this graph and each of its subgraphs the chromatic number equals the clique number, so it is a perfect graph. |
| Date | 4 November 2006 (original upload date) |
| Source | Transferred from en.wikipedia to Commons. |
| Author | David Eppstein at English Wikipedia |
Licensing
|
This work has been released into the public domain by its author, David Eppstein at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: David Eppstein grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2006-11-04 21:46 David Eppstein 256×256×0 (1992 bytes) The [[Paley graph]] of order 9, colored with three colors and showing a clique of three vertices. In this graph and each of its subgraphs the [[chromatic number]] equals the [[clique number]], so it is a [[perfect graph]].
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:56, 21 August 2007 | | 300 × 300 (3 KB) | wikimediacommons>David Eppstein | {{Information |Description=The Paley graph of order 9, colored with three colors and showing a clique of three vertices. In this graph and each of its subgraphs the chromatic number equals the [[:en:clique numb |
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