
| 4OR for what purpose? |
| Acknowledgement to referees |
| Linear separation and approximation by minimizing the sum of concave functions of distances |
| No 7-year itch at 4OR |
| Plagiarism again: Sreenivas and Srinivas, with an update on Marcu |
| Using the power of ideal solutions: simple proofs of some old and new results in location theory |