期刊信息
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- 刊名: 河北师范大学学报(自然科学版)Journal of Hebei Normal University (Natural Science)
- 主办: 河北师范大学
- ISSN: 1000-5854
- CN: 13-1061/N
- 中国科技核心期刊
- 中国期刊方阵入选期刊
- 中国高校优秀科技期刊
- 华北优秀期刊
- 河北省优秀科技期刊
On the Geometric Idenities Combining in Volving the Vertex Angles of Two Simplexes and Its Applications
摘要/Abstract
摘要:
利用代数方法得到联系n维单形E和E’顶点角的一个几何恒等式[det(Ar″)]2=det(Ar)·det(Ar’),应用这个几何恒等式导出了一些涉及单形E和E’新的几何不等式.
Abstract:
The geometric idenities combining involving the vertex angles of two simplexes with al-gebraical way are obtained. It as following [det(Ar″) ]2 =det(Ar)·det(Ar′), as the geometric idenities combinging 's application, some new geometric inequalties involving two simplexes E和 E′ are given.
关键词
Key words:
simplex
;
vertex angle
;
geometric identies combining
;
geometic inequality