Express service carriers provide time-guaranteed deliveries of parcels via a network consisting of nodes and hubs. In this, nodes take care of the collection and delivery of parcels, and hubs have the function to consolidate parcels in between the nodes. The tactical network design problem...

An Overview of Operations Research / Management Science in Latin America -- Collaborative versus Non-Collaborative Bus School Routing -- Method for Assigning Break Times in Predefined Shifts for Call Center Teleoperators -- Financial Risk Analysis for a Specialized Dairy Farm Project and Impacts...

Bernard Gendron and Operations Research -- Methodological Developments -- Variable Neighbourhood Search with Dynamic Exploration for the Set Union Knapsack Problem -- Common-Flow Formulations for the Diameter Constrained Spanning Tree Problem -- Models and Methods for Two-Level Uncapacitated...