Editorial: Sweet sixteen

This is the traditional triennial note used by the editors to give the readers of 4OR information on the state of the journal and its future. In the 3years that have passed since the last editorial note (Liberti et al. in Q J Oper 13:1–13, 2015), three volumes (each containing four issues) of the journal have been published: vol. 13 (2015), vol. 14 (2016), and vol. 15 (2017)

Twelve surveys in operations research

This volume collects all twelve survey papers that appeared in volumes 10--12 (2012--2014) of the journal 4OR: A Quarterly Journal of Operations Research. We briefly introduce the collected surveys and those that were included in the first three volumes of this series

SURVEYS IN OPERATIONS RESEARCH IV (INVITED SURVEYS FROM "40R," 2012-2014)

This volume collects the revised versions of twelve surveys in Operations Research, written by prestigious scholars, upon invitation from the Editors-in-Chief, for the journal 4OR-A Quarterly Journal of Operations Research in the period 2012-201