Semi-obnoxious backup 2-median problem on a tree

In this paper, we discuss the obnoxious and semi-obnoxious version of the backup 2-median problem on a tree. In the obnoxious case of the 2-median problem, all vertices have negative weights, whereas in the semi-obnoxious model the vertices may have either positive or negative weights. In these two...

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Bibliographic Details
Main Authors: Jafar Fathali, Morteza Nazari, Kobra Mahdvar
Format: Article
Language:English
Published: Ayandegan Institute of Higher Education, Iran 2021-06-01
Series:Journal of Applied Research on Industrial Engineering
Subjects:
Online Access:http://www.journal-aprie.com/article_128410_4613885c9c58e67c717af70e6fa013ab.pdf