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检索条件"主题词=51K05"
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Some basic inequalities in higher dimensional non-Euclid space
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Science China Mathematics 2007年 第3期50卷 423-438页
作者: Ding-hua YANG College of Mathematics and Software Sciences, Sichuan Normal University, Chengdu 610066, China Chengdu Institute of Computer Applications, Chinese Academy of Sciences, Chengdu 610041, China College of Mathematics and Software Sciences Sichuan Normal University Chengdu China Chengdu Institute of Computer Applications Chinese Academy of Sciences Chengdu China
In this paper, the concept of a finite mass-points system ΣN(H(A))(N > n) being in a sphere in an n-dimensional hyperbolic space H n and a finite mass-points system ΣN(S(A))(N > n) being in a hyperplane in an n-dime... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Zero asymptotic Lipschitz distance and finite Gromov-Hausdorff distance
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Science China Mathematics 2007年 第3期50卷 345-350页
作者: Luo-fei LIU College of Mathematics and Computer Science, Jishou University, Jishou 416000, China College of Mathematics and Computer Science Jishou University Jishou China
We give an example which shows that the Burago’s bounded distance theorem does not hold in a non-intrinsic metric case. The argument is based on the classical answer to the densest circle packing problem in ?2.
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
A NOTE ON CITY BLOCk DISTANCE
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Applied Mathematics(A Journal of Chinese Universities) 1998年 第3期13卷 331-334页
作者: DINGREN XUCHANGQING LIYINGZI DepartmentofMathematics HebeiTeachers'UniversityShijiazhuang050016 DepartmentofMathematlcs HengshuiNormalCollegeHengshui053000.
In this paper, problem of characterizing the city block distance between two lattice points in k-dimensional Euclidean space is discussed.
来源: 维普期刊数据库 维普期刊数据库 评论