File:Queen's graph colouring.jpg
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Queen's_graph_colouring.jpg (481 × 480 pixels, file size: 39 KB, MIME type: image/jpeg)
Captions
Captions
A colouring of the queen's graph: no two squares with the same colour are on the same row, column or diagonal
Summary
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| Description |
English: A 9-colouring of the queen's graph, where no two squares with the same colour can be reached from each other by a queen move in chess. No colouring with fewer colours is possible. The image is based on "On Coloring the n × n Chessboard" (M. R. Iyer and V. V. Menon), who provide a mathematical description of this colouring. |
| Date | |
| Source | Own work |
| Author | Bilorv |
Licensing
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I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:53, 14 February 2022 | | 481 × 480 (39 KB) | Bilorv (talk | contribs) | Uploaded own work with UploadWizard |
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