| 关于置换凸体的结构 |
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| 引用本文： | 刘铜,李国全.关于置换凸体的结构[J].天津师范大学学报(自然科学版),2007,27(4):48-51. |
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| 作者姓名： | 刘铜 李国全 |
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| 作者单位： | 天津师范大学,数学科学学院,天津,300387 |
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| 摘 要： | 利用极值分析研究了，n=3，4时，Ⅳ中置换凸体的结构特征．R^3中置换凸体是一个六边形，R^4中置换凸体是一个由8个六边形和6个四边形组成的十四面体．
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| 关 键 词： | 置换凸体 (i aj)型边 (i aj)型六边形 (k l a1 a2)型四边形 |
| 文章编号： | 1671-1114(2007)04-0048-03 |
| 修稿时间： | 2006年10月12 |
Structures on Convex Polyhedrons Associated to Permutations |
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| LIU Tong,LI Guo-quan.Structures on Convex Polyhedrons Associated to Permutations[J].Journal of Tianjin Normal University(Natural Science Edition),2007,27(4):48-51. |
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| Authors: | LIU Tong LI Guo-quan |
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| Abstract: | The relevant properties of the structure on convex polyhedrons associated to permutations in Rn with n=3,4 are studied using the extremum analysis.The convex polyhedrons associated to permutations in R3 is a hexagon and the convex polyhedrons associated to permutations in R4 is a tetrakaidecahedron which is composed of eight hexagons and six quadrilaterals. |
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| Keywords: | convex polyhedrons associated to permutations type (i aj)side type (i aj) hexagon type (k l a1 a2) quadrilateral |
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