Hierarchical optimization: a satisfactory solution
Fuzzy Sets and Systems
Fuzzy approach for multi-level programming problems
Computers and Operations Research
Fuzzy approach to multilevel knapsack problems
Computers & Mathematics with Applications
An interactive approach for integrated multilevel systems in a fuzzy environment
Mathematical and Computer Modelling: An International Journal
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In this paper, we focus on hierarchical multiobjective linear programming problems where multiple decision makers in a hierarchical organization have their own multiple objective linear functions together with common linear constraints, and propose an interactive decision making method to obtain the satisfactory solution which reflects not only the hierarchical relationships between multiple decision makers but also their own preferences for their objective functions. In the proposed method, instead of Pareto optimal concept, the generalized ***-extreme point concept is introduced. In order to obtain the satisfactory solution from among the generalized ***-extreme point set, an interactive decision making method based on the linear programming is proposed, and an interactive processes are demonstrated by means of an illustrative numerical example.