Evaluation of the performance of search and rescue robots using T-spherical fuzzy Hamacher aggregation operators

K Ullah, T Mahmood, H Garg - International Journal of Fuzzy Systems, 2020 - Springer
Multi-attribute decision-making approach is a widely used algorithm that needs some
aggregation tools and several such aggregation operators have been developed in past …

Algorithm for T-spherical fuzzy MADM based on associated immediate probability interactive geometric aggregation operators

M Munir, T Mahmood, A Hussain - Artificial Intelligence Review, 2021 - Springer
The purpose of writing this manuscript is to point out some limitations of existing associated
immediate probability intuitionistic fuzzy geometric aggregation operators as these existing …

Multi-attribute decision-making using Archimedean aggregation operator in T-spherical fuzzy environment

MR Khan, K Ullah, Q Khan - Reports in Mechanical Engineering, 2023 - rme-journal.org
As an extension of several fuzzy structures such as fuzzy sets, intuitionistic fuzzy sets, picture
fuzzy sets, q-rung ortho-pair fuzzy sets, and T-spherical fuzzy (TSF) sets (TSFSs), are an …

Generalized MULTIMOORA method and Dombi prioritized weighted aggregation operators based on T‐spherical fuzzy sets and their applications

T Mahmood, MS Warraich, Z Ali… - International Journal of …, 2021 - Wiley Online Library
In this manuscript, the technique of the generalized MULTIMOORA method is investigated
by using the concept of a T‐spherical fuzzy set (T‐SFS), which is the modified idea of a …

[HTML][HTML] Algorithm for T-spherical fuzzy multi-attribute decision making based on improved interactive aggregation operators

H Garg, M Munir, K Ullah, T Mahmood, N Jan - Symmetry, 2018 - mdpi.com
The objective of this manuscript is to present some new, improved aggregation operators for
the T-spherical fuzzy sets, which is an extension of the several existing sets, such as …

[HTML][HTML] T-spherical fuzzy power aggregation operators and their applications in multi-attribute decision making

H Garg, K Ullah, T Mahmood, N Hassan… - Journal of ambient …, 2021 - Springer
The paper aims to present the concept of power aggregation operators for the T-spherical
fuzzy sets (T-SFSs). T-SFS is a powerful concept, with four membership functions denoting …

Multi-attribute decision-making based on sine trigonometric aggregation operators for T-spherical fuzzy information

H Garg, K Ullah, K Ali, M Akram, MN Abid - Soft Computing, 2023 - Springer
To handle uncertain information where opinion has more than two aspects, the frame of T-
spherical fuzzy (TSF) set is of significance. The goal of this paper is to introduce some …

Policy decision making based on some averaging aggregation operators of t-spherical fuzzy sets; a multi-attribute decision making approach

K Ullah, T Mahmood, N Jan… - Annals of Optimization …, 2020 - aotp.fabad-ihe.ac.ir
Multi-attribute decision making (MADM) is a hot research area in fuzzy mathematics and to
deal with that, the averaging and geometric aggregation operators (AOs) are the widely …

[HTML][HTML] Complex T-spherical fuzzy aggregation operators with application to multi-attribute decision making

Z Ali, T Mahmood, MS Yang - Symmetry, 2020 - mdpi.com
In this paper, the novel approach of complex T-spherical fuzzy sets (CTSFSs) and their
operational laws are explored and also verified with the help of examples. CTSFS composes …

Confidence levels based Pythagorean fuzzy aggregation operators and its application to decision-making process

H Garg - Computational and Mathematical Organization Theory, 2017 - Springer
Pythagorean fuzzy set, an extension of the intuitionistic fuzzy set which relax the condition of
sum of their membership function to square sum of its membership functions is less than …