![File:Tietze genus 2 colouring.svg](http://upload.wikimedia.org/wikipedia/commons/thumb/1/10/Tietze_genus_2_colouring.svg/512px-Tietze_genus_2_colouring.svg.png)
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Original file (SVG file, nominally 512 × 512 pixels, file size: 5 KB)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 19:37, 4 November 2021 | ![]() | 512 × 512 (5 KB) | Cmglee | Curve red-green boundary and make yellow region more symmetrical // Editing SVG source code using c:User:Rillke/SVGedit.js |
19:31, 4 November 2021 | ![]() | 512 × 512 (5 KB) | Cmglee | Smooth transition // Editing SVG source code using c:User:Rillke/SVGedit.js | |
01:30, 3 November 2021 | ![]() | 512 × 512 (5 KB) | Cmglee | Hide white gaps // Editing SVG source code using c:User:Rillke/SVGedit.js | |
17:30, 23 October 2021 | ![]() | 512 × 512 (5 KB) | Cmglee | Add shading | |
01:15, 16 October 2021 | ![]() | 512 × 512 (5 KB) | Cmglee | Avoid overlap and improve colours // Editing SVG source code using c:User:Rillke/SVGedit.js | |
00:12, 16 October 2021 | ![]() | 512 × 512 (5 KB) | Cmglee | {{Information |Description=A redrawing of Hermann Tietze's drawing of a complete map of 8 regions on a double torus (genus-two surface) with each region touching every other by CMG Lee. Regions of the same colour wrap around along the dotted lines. Each bubble denotes a unique combination of two regions. |Source={{own}} |Date= |Author= Cmglee |Permission= |other_versions= }} Category:SVG orb Category:Torus Category:Heawood graph Category:Four-color theorem |
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