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- Mehdi Zaferanieh, H. Taghizadeh Kakhki, Jack Brimberg, George O. Wesolowsky
- European Journal of Operational Research
- 2008

Suppose the plane is divided by a straight line into two regions with different norms. We want to find the location of a single new facility such that the sum of the distances from the existing… (More)

In this paper we want to find the core of a graph. A core of a graph is a path P, such that the total travel cost time required for the demand points to reach the closest vertex on this path is… (More)

- Mehdi Zaferanieh, Jafar Fathali
- Math. Meth. of OR
- 2012

Let T = (V, E) be a tree. A core of T is a path P, for which the sum of the weighted distances from all vertices to this path is minimized. In this paper, we consider the semi-obnoxious case in which… (More)

Abstract In this paper, a bi-level model is introduced to evaluate the capacitated p -median facility location problem with the most likely allocation solution. The classical capacitated p -median… (More)

- Jafar Fathali, Mehdi Zaferanieh
- ArXiv
- 2018

This paper deals with the facility location problems with balancing on allocation clients to servers. Two bi-objective models are considered, in which one objective is the traditional p-median or… (More)

We consider the two well knownminimax and minisum single facility location problems in the plane 2 R which has been divided into two regions, 1 S and 2 S by a straight line. The two regions are… (More)

In this paper, an stochastic queue core problem on a tree, which seeks to find a core in an M/G/1 operating environment is investigated. Let T = (V,E) be a tree, an stochastic queue core of T is… (More)

The general problem of estimating origin-destination matrices in congested traffic networks is formulated as a mathematical program with equilibrium constraints. In this paper a path flow entropy… (More)