截半正二十四胞体
截半正二十四胞体由48个三维胞组成: 24个立方体, 和24个截半立方体。每个顶点周围环绕着三个截半立方体和两个立方体。
| 截半正二十四胞体 | |
|---|---|
 施莱格尔投影 (立方体胞在前) | |
| 类型 | 均匀多胞体 |
| 识别 | |
| 名称 | 截半正二十四胞体 |
| 参考索引 | 2 3 4 |
| 数学表示法 | |
| 考克斯特符号 |     |
| 施莱夫利符号 | t1{3,4,3} |
| 性质 | |
| 胞 | 10 24 (4.4.4)  24 (3.4.3.4)  |
| 面 | 240 144 {4} 96 {3} |
| 边 | 288 |
| 顶点 | 96 |
| 组成与布局 | |
| 顶点图 |  Elongated triangular prism |
| 对称性 | |
| 考克斯特群 | F4, [3,4,3], order 1152 |
| 特性 | |
| convex, isogonal | |
构造
截角正二十四胞体的细胞可以通过在正二十四胞体的棱的中点处截断其顶点。截断的24个正八面体变成新的截半立方体，并在原来的顶点处产生了24个新的立方体。
结合
截角八面体的三角形面彼此结合在一起，而它们的正方形面则连接到立方体。
投影
| Fk 考克斯特平面 |
F4 | B4 | B3 | B2 |
|---|---|---|---|---|
| Graph | ||||
| 二面体群 | [12] | [6] | [8] | [4] |
注释
参考文献
- H.S.M. Coxeter:
- H.S.M. Coxeter, Regular Polytopes, 3rd Edition, Dover New York, 1973
- Kaleidoscopes: Selected Writings of H.S.M. Coxeter, editied by F. Arthur Sherk, Peter McMullen, Anthony C. Thompson, Asia Ivic Weiss, Wiley-Interscience Publication, 1995, 互联网档案馆）
- (Paper 22) H.S.M. Coxeter, Regular and Semi Regular Polytopes I, [Math. Zeit. 46 (1940) 380-407, MR 2,10]
- (Paper 23) H.S.M. Coxeter, Regular and Semi-Regular Polytopes II, [Math. Zeit. 188 (1985) 559-591]
- (Paper 24) H.S.M. Coxeter, Regular and Semi-Regular Polytopes III, [Math. Zeit. 200 (1988) 3-45]
- Coxeter, The Beauty of Geometry: Twelve Essays, Dover Publications, 1999, Norman Johnson Uniform Polytopes, Manuscript (1991)
- N.W. Johnson: The Theory of Uniform Polytopes and Honeycombs, Ph.D. (1966)
- Olshevsky, George, Pentachoron at Glossary for Hyperspace.
- 1. Convex uniform polychora based on the pentachoron - Model 3, George Olshevsky.
- Klitzing, Richard. 4D uniform polytopes (polychora). bendwavy.org. x3x3o3o - tip, o3x3x3o - deca