棱切球四面体各侧面内心连线的几何不等式Geometric Inequalities of the Lines Between the Incenters in Each Side for a Edge-Tangent’s Sphere Tetrahedron (预印本)
李兴源 下载量: 602 浏览量: 1,324
汉斯预印本 Vol.6 No.1, March 31 2021, PDF, , DOI:10.12677/HANSPrePrints.2021.61007 被引量
从四面体到N维单形的棱切球心、热尔岗点、奈格尔点及其坐标公式Edge-Tangent’s Sphere Center, Gergonne Point, Nagel Point and Their Coordinate Formula from Tetrahedron to N-Simplex
李兴源 下载量: 518 浏览量: 3,912
理论数学 Vol.11 No.1, January 29 2021, PDF, HTML, XML DOI:10.12677/PM.2021.111019 被引量