Illumination of direct vector sums of convex bodies

被引:5
作者
Boltyanski, Vladimir
Martini, Horst
机构
[1] CIMAT, Guanajuato 36000, Mexico
[2] Tech Univ Chemnitz, Fak Math, D-09107 Chemnitz, Germany
关键词
antipodality; convex body; covering by smaller homothets; direct vector sum; illumination;
D O I
10.1556/SScMath.44.2007.3.6
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We prove that, unexpectedly, the illumination number of a direct vector sum of convex bodies is not necessarily equal to the product of the illumination numbers of its summands, and we describe a condition under which equality holds. Some further results and two research problems are presented.
引用
收藏
页码:367 / 376
页数:10
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