This paper considers multiobjective linear programming problems (MOLPP) where random fuzzy variables are contained in objective functions and constraints. A new decision making model optimizingâ€¦ (More)

This article considers bilevel linear programming problems where random fuzzy variables are contained in objective functions and constraints. In order to construct a new optimization criterion underâ€¦ (More)

This paper proposes a new location problem of competitive facilities, e.g. shops, with uncertainty and vagueness including demands for the facilities in a plane. By representing the demands forâ€¦ (More)

This paper proposes a new location problem of competitive facilities, e.g. shops and stores, with uncertain demands in the plain. By representing the demands for facilities as random variables, theâ€¦ (More)

This paper focuses on a new Stackelberg location problem on a tree network with demands whose quantities are given uncertainly and vaguely. By representing their quantities as fuzzy random variablesâ€¦ (More)

This paper focuses on a new Stackelberg location problem on a network with demands whose weights are given uncertainly and vaguely. By representing them as fuzzy random variables, the optimalâ€¦ (More)

Competitive facility location problem has been studied in many literatures, which were dealt with problems considering location of some competitive facilities on at most two-dimensional space. Inâ€¦ (More)

This paper proposes a new location problem of competitive facilities, e.g. shops. In the most studies of competitive facility location, the distance between the facilities and their customers isâ€¦ (More)

This paper proposes a new location problem of competitive facilities, e.g. shops and stores, with uncertainty and vagueness including demands for the facilities in a plain. By representing theâ€¦ (More)