{{Infobox polyhedron
| name = 七階正方形鑲嵌
| imagename = H2_tiling_247-4.png
| caption = 龐加萊圓盤模型
| Type = 雙曲正鑲嵌
| Coxeter_diagram =
| Vertice_type = 47
| Schläfli = {4,7}
| Wythoff = 7 | 4 2
| Rotation_group = [7,4]+, (742)
| Symmetry_group = [7,4], (*742)
| dual = 四階七邊形鑲嵌
| Properties =
| 3d_image =
| 3d_image_info =
| vfigimage =
| dual_image = H2_tiling_247-1.png
}}
在幾何學中,七階正方形鑲嵌是由正方形組成的雙曲面正鑲嵌圖,每七個正方形共用一個頂點。在施萊夫利符號用表示。七階正方形鑲嵌即每個頂點皆為七個正方形的公共頂點,頂點周圍包含了七個不重疊的正方形,一個正方形內角90度,七個正方形超過了360度,因此無法因此無法在平面作出,但可以在雙曲面上作出。
相關多面體與鑲嵌
參見
*正方形鑲嵌
*正七邊形鑲嵌
參考資料
- John H. Conway, Heidi Burgiel, Chaim Goodman-Strass, The Symmetries of Things 2008, ISBN 978-1-56881-220-5 (Chapter 19, The Hyperbolic Archimedean Tessellations)
*
外部連結
*
*
- [http://bork.hampshire.edu/~bernie/hyper/ Hyperbolic and Spherical Tiling Gallery]
- [http://geometrygames.org/KaleidoTile/index.html KaleidoTile 3: Educational software to create spherical, planar and hyperbolic tilings]
- [http://www.plunk.org/~hatch/HyperbolicTesselations Hyperbolic Planar Tessellations, Don Hatch]
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