The problem of thirteen spheres - a proof for undergraduates

The problem of thirteen spheres - a proof for undergraduates
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DOI:
10.1016/j.ejc.2006.06.019
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发表时间:
2007-08-01
影响因子:
1
通讯作者:
Maehara, H.
Maehara, H.
中科院分区:
数学3区
文献类型:
--
作者:
Maehara, H.

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本文的目的是给出一个基本的证明,证明在三维空间中不超过12个单位球可以同时接触一个单位球,这个证明对于本科生来说是容易理解的。(C)2006爱思唯尔有限公司保留所有权利。
The purpose of this note is to present an elementary proof of the fact that no more than twelve unit balls can simultaneously touch a unit ball in 3-space, a proof that is accessible for undergraduates. (C) 2006 Elsevier Ltd. All rights reserved.