The hesitant fuzzy set has been an important tool to address problems of decision making.
There are several various improved hesitant fuzzy sets, such as dual hesitant fuzzy set …

As a new extended model of fuzzy sets, hesitant fuzzy set theory is a useful tool to process
uncertain information in decision making problems. The traditional hesitant fuzzy multi …

Hesitant fuzzy sets are very useful to deal with group decision making problems when
experts have a hesitation among several possible memberships for an element to a set …

Hesitant fuzzy set (HFS) is a powerful decision tool to express uncertain information more
flexibly and comprehensively. The aim of this paper is to propose more reasonable …

A dual hesitant fuzzy set (DHFS) consists of two parts, that is, the membership hesitancy
function and the nonmembership hesitancy function, supporting a more exemplary and …

As a powerful and efficient tool in expressing the indeterminate and fuzzy information, the
hesitant fuzzy set (HFS) has shown its increasing importance. It was first proposed by Torra …

Purpose–The purpose of this paper is to develop some weight determining methods for
hesitant fuzzy multi-criterion decision making (MCDM) in which the preference information …

Interval‐valued hesitant fuzzy set (IVHFS), which is the further generalization of hesitant
fuzzy set, can overcome the barrier that the precise membership degrees are sometimes …

The interval-valued hesitant fuzzy set, which allows decision makers to use several interval
numbers to assess a variable, is a useful tool to deal with situations in which people are …

The distance measures of hesitant fuzzy elements (HFEs) h 1 (x) and h 2 (x) introduced in
the literature only cover the divergence of the values, but fail to consider the difference …