| 关于单形旁切球半径的一类几何不等式 |
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| 引用本文： | 王尧,王露,张晗方. 关于单形旁切球半径的一类几何不等式[J]. 徐州师范大学学报(自然科学版), 2012, 30(4): 43-45 |
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| 作者姓名： | 王尧 王露 张晗方 |
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| 作者单位： | 江苏师范大学数学与统计学院,江苏徐州,221116 |
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| 摘 要： | Demir-Marsh不等式给出了三角形的旁切圆半径和其对应高之间的关系，将Demir-Marsh不等式在n维欧氏空间E^n中进行推广和改进．
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| 关 键 词： | 单形 旁切球半径 高 不等式 |
A class of geometric inequalities for radii of escribed sphere of a simplex |
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| Wang Yao , Wang Lu , Zhang Hanfang. A class of geometric inequalities for radii of escribed sphere of a simplex[J]. Journal of Xuzhou Normal University(Natural Science Edition), 2012, 30(4): 43-45 |
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| Authors: | Wang Yao Wang Lu Zhang Hanfang |
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| Affiliation: | (School of Mathematics & Statistics,Jiangsu Normal University,Xuzhou 221116,Jiangsu,China) |
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| Abstract: | Demir-Marsh inequality is an inequality about the radii of escribed circle and related altitudes of a triangle. In this paper, a generalization and an improvement of Demir-Marsh inequality in the n-dimensional Euclidean space are given. |
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| Keywords: | simplex radius of escribed sphere altitude inequality |
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