File:Queen's graph colouring.jpg
Queen's_graph_colouring.jpg (481 × 480 pixels, file size: 39 KB, MIME type: image/jpeg)
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A colouring of the queen's graph: no two squares with the same colour are on the same row, column or diagonal
Summary
editDescriptionQueen's graph colouring.jpg |
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 |
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
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http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:53, 14 February 2022 | ![]() | 481 × 480 (39 KB) | Bilorv (talk | contribs) | Uploaded own work with UploadWizard |
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