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Kifayat Ullah (Dr.)
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Year
An approach toward decision-making and medical diagnosis problems using the concept of spherical fuzzy sets
T Mahmood, K Ullah, Q Khan, N Jan
Neural Computing and Applications 31, 7041-7053, 2019
6472019
On some distance measures of complex Pythagorean fuzzy sets and their applications in pattern recognition
K Ullah, T Mahmood, Z Ali, N Jan
Complex & Intelligent Systems, 2019
3162019
Einstein geometric aggregation operators using a novel complex interval-valued pythagorean fuzzy setting with application in green supplier chain management
Z Ali, T Mahmood, K Ullah, Q Khan
Reports in Mechanical Engineering 2 (1), 105-134, 2021
2042021
Similarity measures for T-spherical fuzzy sets with applications in pattern recognition
K Ullah, T Mahmood, N Jan
Symmetry 10 (6), 193, 2018
1722018
Correlation coefficients for T-spherical fuzzy sets and their applications in clustering and multi-attribute decision making
K Ullah, H Garg, T Mahmood, N Jan, Z Ali
Soft Computing 24, 1647-1659, 2020
1642020
Enhancing digital innovation for the sustainable transformation of manufacturing industry: a pressure-state-response system framework to perceptions of digital green innovation …
S Yin, N Zhang, K Ullah, S Gao
Systems 10 (3), 72, 2022
1212022
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 10 (12), 670, 2018
1182018
Interval-valued picture fuzzy Maclaurin symmetric mean operator with application in multiple attribute decision-making
A Ashraf, K Ullah, A Hussain, M Bari
Reports in Mechanical Engineering 3 (1), 210-226, 2022
1162022
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 22 (2), 570-582, 2020
1152020
Picture fuzzy maclaurin symmetric mean operators and their applications in solving multiattribute decision-making problems
K Ullah
Mathematical Problems in Engineering 2021, 1-13, 2021
1122021
Evaluation of investment policy based on multi-attribute decision-making using interval valued T-spherical fuzzy aggregation operators
K Ullah, N Hassan, T Mahmood, N Jan, M Hassan
Symmetry 11 (3), 357, 2019
1082019
T-spherical fuzzy Einstein hybrid aggregation operators and their applications in multi-attribute decision making problems
M Munir, H Kalsoom, K Ullah, T Mahmood, YM Chu
Symmetry 12 (3), 365, 2020
1062020
T-spherical fuzzy power aggregation operators and their applications in multi-attribute decision making
H Garg, K Ullah, T Mahmood, N Hassan, N Jan
Journal of ambient intelligence and humanized computing, 1-14, 2021
902021
Multi-attribute decision-making using Archimedean aggregation operator in T-spherical fuzzy environment
MR Khan, K Ullah, Q Khan
Reports in Mechanical Engineering 4 (1), 18-38, 2023
742023
Aczel-Alsina aggregation operators on T-spherical fuzzy (TSF) information with application to TSF multi-attribute decision making
A Hussain, K Ullah, MS Yang, D Pamucar
Ieee Access 10, 26011-26023, 2022
722022
Performance measure using a multi-attribute decision-making approach based on complex T-spherical fuzzy power aggregation operators
MR Khan, K Ullah, D Pamucar, M Bari
Journal of Computational and Cognitive Engineering 1 (3), 138-146, 2022
602022
Multi-attribute multi-perception decision-making based on generalized T-spherical fuzzy weighted aggregation operators on neutrosophic sets
SG Quek, G Selvachandran, M Munir, T Mahmood, K Ullah, LH Son, ...
Mathematics 7 (9), 780, 2019
602019
Novel Aczel–Alsina operators for Pythagorean fuzzy sets with application in multi-attribute decision making
A Hussain, K Ullah, MN Alshahrani, MS Yang, D Pamucar
Symmetry 14 (5), 940, 2022
562022
Performance evaluation of solar energy cells using the interval-valued T-spherical fuzzy Bonferroni mean operators
M Akram, K Ullah, D Pamucar
Energies 15 (1), 292, 2022
532022
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, Z Ahmad
Annals of Optimization Theory and Practice 3 (3), 69-92, 2020
492020
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Articles 1–20