File:Amman-Heesch-4.svg
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Original file (SVG file, nominally 380 × 419 pixels, file size: 23 KB)
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Summary
| Description |
English: A polygon discovered by Robert Amman, formed from a regular hexagon by adding projections on two of its sides and matching indentations on three sides. It may be surrounded by four layers of congruent copies of itself, but not five. See Heesch's problem. |
| Date | |
| Source | self-made, originally for The Geometry Junkyard; also previously uploaded to en:Image:Amman-Heesch-4.gif |
| Author | David Eppstein |
Licensing
|
This work has been released into the public domain by its author, I, David Eppstein. This applies worldwide. In some countries this may not be legally possible; if so: I, David Eppstein grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:13, 30 July 2007 | | 380 × 419 (23 KB) | David Eppstein | {{Information |Description=A polygon discovered by Robert Amman, formed from a regular hexagon by adding projections on two of its sides and matching indentations on three sides. It may be surrounded by four layers of congruent copies of itself, but not f |
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