Facility location, layout, design, and materials handling
Semi-obnoxious backup 2-median problem on a tree

Jafar Fathali; Morteza Nazari; Kobra Mahdvar

Volume 8, Issue 2 , June 2021, , Pages 159-168


  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 problems, ...  Read More