A bi-objective model for the firefighter problem to maximize fire protection with minimum firefighters

Shaaban ALI Hoseinpour; Behrouz Afshar Nadjafi; Seyed Taghi Akhavan Niaki

Volume 10, Issue 1 , July 2023, , Pages 77-87

Abstract
  The firefighter problem on a graph, depending on the environment, the graph can be continuous or discrete, which includes tree, cubic, regular and irregular graphs, etc., is described in such a way that by starting a fire from a series of vertices, the goal is to contain the fire with the maximum number ...  Read More

Evaluation of a bi-objective vehicle routing problem considering time constraints

Ruhollah Ebrahimi Gorji; Hamed Soleimani; Behrouz Afshar-Nadjafi

Volume 9, Issue 1 , July 2022, , Pages 148-164

https://doi.org/10.22116/jiems.2022.313932.1466

Abstract
  In today's competitive market, reducing costs and time is one of the most important issues that has occupied the minds of managers and researchers. This issue is especially important in the field of supply chain management and transportation because by reducing time and cost, manufacturers and service ...  Read More