| Article ID: | iaor20127249 |
| Volume: | 155 |
| Issue: | 2 |
| Start Page Number: | 376 |
| End Page Number: | 389 |
| Publication Date: | Nov 2012 |
| Journal: | Journal of Optimization Theory and Applications |
| Authors: | Nour Chadi, Takche Jean |
We provide a new analytical proof for a strengthened version of the variable radius form of the union of closed balls conjecture. We also introduce a strong version of this conjecture and discuss its validity.