In decision making science, an important aspect is to select one strategy from available ones and to prioritize. Multi criteria decision making methods, especially fuzzy MCDM have made their way in to this field for several years. Among them, analytical hierarchy process (AHP) method and...

In general, there exist conflicts between optimization of different objectives in a particular situation, i.e., when we consider a multi-objective and multi-level optimization problem. Two objective functions are said to be in conflict if the full satisfaction of one results in only partial...