| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4654635 | European Journal of Combinatorics | 2007 | 9 Pages |
Abstract
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.
Related Topics
Physical Sciences and Engineering
Mathematics
Discrete Mathematics and Combinatorics
Authors
H. Maehara,