Almost-tiling the plane by ellipses

被引:1
|
作者
Kuperberg, K [1 ]
Kuperberg, W
Matousek, J
Valtr, P
机构
[1] Auburn Univ, Dept Math, Auburn, AL 36849 USA
[2] Charles Univ, Dept Appl Math, CR-11800 Prague 1, Czech Republic
[3] ETH Zurich, Inst Theoret Informat, CH-8092 Zurich, Switzerland
[4] Rutgers State Univ, DIMACS Ctr, Piscataway, NJ 08855 USA
关键词
Side Length; Circular Disk; Finite Packing;
D O I
10.1007/PL00009466
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
For any lambda > 1 we construct a periodic and locally finite packing of the plane with ellipses whose lambda-enlargement covers the whole plane. This answers a question of Imre Barany. On the other hand, we show that if C is a packing in the plane with circular disks of radius at most 1, then its (1 + 10(-5))-enlargement covers no square with side length 4.
引用
收藏
页码:367 / 375
页数:9
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