Spherical fuzzy sets and spherical fuzzy TOPSIS method

F Kutlu Gündoğdu, C Kahraman - Journal of intelligent & fuzzy …, 2019 - content.iospress.com
All the extensions of ordinary fuzzy sets with three dimensional membership functions such
as intuitionistic fuzzy sets (IFS), intuitionistic fuzzy sets of second type (IFS2), and …

A novel fuzzy TOPSIS method using emerging interval-valued spherical fuzzy sets

FK Gündoğdu, C Kahraman - Engineering Applications of Artificial …, 2019 - Elsevier
All the extensions of ordinary fuzzy sets with three-dimensional membership functions such
as intuitionistic fuzzy sets, second type intuitionistic fuzzy sets (or Pythagorean fuzzy sets) …

A novel VIKOR method using spherical fuzzy sets and its application to warehouse site selection

F Kutlu Gündoğdu, C Kahraman - Journal of Intelligent & …, 2019 - content.iospress.com
The extensions of ordinary fuzzy sets such as intuitionistic fuzzy sets (IFS), Pythagorean
fuzzy sets (PFS), and neutrosophic sets (NS), whose membership functions are based on …

A spherical fuzzy methodology integrating maximizing deviation and TOPSIS methods

E Farrokhizadeh, SA Seyfi-Shishavan… - … Applications of Artificial …, 2021 - Elsevier
Due to the uncertainty and vagueness, ambiguity and subjectivity of the information in an
intricate decision-making environment, the assessment data specified by experts are mostly …

Pythagorean fuzzy hamy mean operators in multiple attribute group decision making and their application to supplier selection

Z Li, G Wei, M Lu - Symmetry, 2018 - mdpi.com
In this paper, we extend the Hamy mean (HM) operator and dual Hamy mean (DHM)
operator with Pythagorean fuzzy numbers (PFNs) to propose Pythagorean fuzzy Hamy …

Some q-Rung Dual Hesitant Fuzzy Heronian Mean Operators with Their Application to Multiple Attribute Group Decision-Making

Y Xu, X Shang, J Wang, W Wu, H Huang - Symmetry, 2018 - mdpi.com
The q-rung orthopair fuzzy sets (q-ROFSs), originated by Yager, are good tools to describe
fuzziness in human cognitive processes. The basic elements of q-ROFSs are q-rung …

Circular intuitionistic fuzzy TOPSIS method: Pandemic hospital location selection

N Alkan, C Kahraman - Journal of Intelligent & Fuzzy Systems, 2022 - content.iospress.com
A circular intuitionistic fuzzy set (CIFS) recently introduced by Atanassov as a new extension
of intuitionistic fuzzy sets is represented by a circle whose radius is r and whose center is …

GRA method based on spherical linguistic fuzzy Choquet integral environment and its application in multi-attribute decision-making problems

S Ashraf, S Abdullah, T Mahmood - Mathematical Sciences, 2018 - Springer
The key objective of the proposed work in this paper is to introduce a new version of picture
linguistic fuzzy set, so-called spherical linguistic fuzzy sets. The novel concept of spherical …

Algorithms for interval-valued pythagorean fuzzy sets in emergency decision making based on multiparametric similarity measures and WDBA

X Peng, W Li - Ieee Access, 2019 - ieeexplore.ieee.org
Emergency decision making is critically important for countries or communities to enhance
the effectiveness and validity of the emergency response, which can greatly lower …

Models for safety assessment of construction project with some 2-tuple linguistic Pythagorean fuzzy Bonferroni mean operators

X Deng, G Wei, H Gao, J Wang - Ieee Access, 2018 - ieeexplore.ieee.org
For this paper, to consider both Bonferroni mean (BM) operator and two-tuple linguistic
Pythagorean fuzzy numbers (2TLPFNs), we combine the weighted BM (WBM) operator, the …