Group decision making with consensus requirement is the process of reaching group
consensus, ranking the feasible alternatives and selecting the best one. In this paper, we …

Group decision making is an essential activity in various fields of operations research and
management science. This paper focuses on the intuitionistic fuzzy group decision making …

Group decision making with intuitionistic fuzzy preference information involves three steps:
the consistency checking process, the consensus checking process and the selection …

Group decision making (GDM) is among the most important activities that usually occurs in
our daily life. This paper extends the TOPSIS (technique for order performance by similarity …

In this paper, we study group decision-making problems based on intuitionistic preference
relations. By measuring the uncertain information of intuitionistic preference relations and …

In general, weights of experts play a very important role in multi-attribute group decision-
making (MAGDM), how to objectively determine experts' weights is an interesting research …

In real world multi-criteria group decision making (MCGDM) problems, the decision making
information provided by the decision makers is often imprecise or uncertain because of a …

Multi-criteria group decision making (MCGDM) problems are complex issues often faced by
decision makers. In the decision making process, to deal with fuzziness and hesitation, the …

Type 2 intuitionistic fuzzy set (T2IFS) is one of the most important concepts to describe fuzzy
information by providing an additional degree of freedom to the decision maker to decide the …

Multi-attribute group decision making (MAGDM) is an important research topic in decision
theory. In recent decades, many useful methods have been proposed to solve various …