Keyword Index

A

  • Aggregation operation Negations and aggregation operators based on a new hesitant fuzzy partial ordering [Volume 17, Issue 1, 2020, Pages 1-12]
  • Aggregation operation A modification of probabilistic hesitant fuzzy sets and its application to multiple criteria decision making [Volume 17, Issue 4, 2020, Pages 151-166]
  • ARAS Multi-criteria IT personnel selection on intuitionistic fuzzy information measures and ARAS methodology [Volume 17, Issue 4, 2020, Pages 55-68]

B

  • Bayesian network Rule-based joint fuzzy and probabilistic networks [Volume 17, Issue 3, 2020, Pages 135-149]
  • Biobjective transportation problem Using necessarily weak efficient solutions for solving a biobjective transportation problem with fuzzy objective functions coefficients [Volume 17, Issue 3, 2020, Pages 85-102]
  • BL-general fuzzy automata BL-general fuzzy automata and minimal realization: Based on the associated categories [Volume 17, Issue 1, 2020, Pages 155-169]
  • Bounded lattice Alternative approaches to obtain t-norms and t-conorms on bounded lattices [Volume 17, Issue 4, 2020, Pages 121-138]

C

  • CCAPM-F A new method for fuzzification of nested dummy variables by fuzzy clustering membership functions and its application in financial economy [Volume 17, Issue 1, 2020, Pages 13-27]
  • Choice models Probit and nested logit models based on fuzzy measure [Volume 17, Issue 2, 2020, Pages 169-181]
  • Cluster analysis Interpolating time series based on fuzzy cluster analysis problem [Volume 17, Issue 3, 2020, Pages 151-161]
  • Component BL-general fuzzy automata and minimal realization: Based on the associated categories [Volume 17, Issue 1, 2020, Pages 155-169]
  • Credibility Measure Two-level supply chain for a deteriorating item with stock and promotional cost dependent demand under shortages [Volume 17, Issue 1, 2020, Pages 29-52]
  • Customer loyalty program Customer loyalty program based on quality function deployment with fuzzy linguistic preference relation [Volume 17, Issue 1, 2020, Pages 105-120]

D

  • Decision attitude Interval number ranking method considering multiple decision attitudes [Volume 17, Issue 2, 2020, Pages 115-127]
  • Decision making A novel ranking method for intuitionistic fuzzy set based on information fusion and application to threat assessment [Volume 17, Issue 1, 2020, Pages 91-104]
  • Decision making Extended and infinite ordered weighted averaging and sum operators with numerical examples [Volume 17, Issue 3, 2020, Pages 33-41]
  • Decision making A novel fuzzy multi-criteria decision-making methodology based upon the spherical fuzzy sets with a real case study [Volume 17, Issue 4, 2020, Pages 167-177]
  • Degree of $M$-fuzzy family of independent $L$-fuzzy sets Degrees of M-fuzzy families of independent L-fuzzy sets [Volume 17, Issue 1, 2020, Pages 53-64]
  • Deteriorating Inventory Two-level supply chain for a deteriorating item with stock and promotional cost dependent demand under shortages [Volume 17, Issue 1, 2020, Pages 29-52]
  • Divergence measure Multi-criteria IT personnel selection on intuitionistic fuzzy information measures and ARAS methodology [Volume 17, Issue 4, 2020, Pages 55-68]

E

  • Extended hesitant fuzzy set An extended hesitant group decision-making technique based on the prospect theory for emergency situations [Volume 17, Issue 3, 2020, Pages 51-68]

F

  • F3CM Refining membership degrees obtained from fuzzy C-means by re-fuzzification [Volume 17, Issue 4, 2020, Pages 85-104]
  • Facility location A fuzzy capacitated facility location-network design model: A hybrid firefly and invasive weed optimization (FIWO) solution [Volume 17, Issue 2, 2020, Pages 79-95]
  • FCM Refining membership degrees obtained from fuzzy C-means by re-fuzzification [Volume 17, Issue 4, 2020, Pages 85-104]
  • Finance A new method for fuzzification of nested dummy variables by fuzzy clustering membership functions and its application in financial economy [Volume 17, Issue 1, 2020, Pages 13-27]
  • Finite subsets of the unit interval Negations and aggregation operators based on a new hesitant fuzzy partial ordering [Volume 17, Issue 1, 2020, Pages 1-12]
  • Fuzzy A new method for fuzzification of nested dummy variables by fuzzy clustering membership functions and its application in financial economy [Volume 17, Issue 1, 2020, Pages 13-27]
  • Fuzzy cellular neural networks Joint influence of leakage delays and proportional delays on almost periodic solutions for FCNNs [Volume 17, Issue 1, 2020, Pages 141-154]
  • Fuzzy clustering Refining membership degrees obtained from fuzzy C-means by re-fuzzification [Volume 17, Issue 4, 2020, Pages 85-104]
  • Fuzzy clustering algorithm Fuzzy based efficient drone base stations (DBSs) placement in the 5G cellular network [Volume 17, Issue 2, 2020, Pages 29-38]
  • Fuzzy c-means Refining membership degrees obtained from fuzzy C-means by re-fuzzification [Volume 17, Issue 4, 2020, Pages 85-104]
  • Fuzzy connective The left (right) distributivity of semi-t-operators over 2-uninorms [Volume 17, Issue 3, 2020, Pages 103-116]
  • Fuzzy convergence structures Fuzzy convergence structures in the framework of L-convex spaces [Volume 17, Issue 4, 2020, Pages 139-150]
  • Fuzzy convex structures Fuzzy convergence structures in the framework of L-convex spaces [Volume 17, Issue 4, 2020, Pages 139-150]
  • Fuzzy implication Hyperspace of a fuzzy quasi-uniform space [Volume 17, Issue 2, 2020, Pages 97-114]
  • Fuzzy implication A new family of (A, N)-implications: Construction and properties [Volume 17, Issue 2, 2020, Pages 129-145]
  • Fuzzy linguistic preference relations Customer loyalty program based on quality function deployment with fuzzy linguistic preference relation [Volume 17, Issue 1, 2020, Pages 105-120]
  • Fuzzy logic Adaptive particularly tunable fuzzy particle swarm optimization algorithm [Volume 17, Issue 1, 2020, Pages 65-75]
  • Fuzzy logic On the non-parametric multivariate control charts in fuzzy environment [Volume 17, Issue 1, 2020, Pages 185-205]
  • Fuzzy logic controller Type-2 fuzzy logic based pitch angle controller for fixed speed wind energy system [Volume 17, Issue 1, 2020, Pages 77-90]
  • Fuzzy membership function Using necessarily weak efficient solutions for solving a biobjective transportation problem with fuzzy objective functions coefficients [Volume 17, Issue 3, 2020, Pages 85-102]
  • Fuzzy Multisets General definitions for the union and intersection of ordered fuzzy multisets [Volume 17, Issue 4, 2020, Pages 41-54]
  • Fuzzy random variable Single cycle supply chain coordination model for fuzzy stochastic demand of perishable items [Volume 17, Issue 2, 2020, Pages 39-48]
  • Fuzzy remote-neighborhood systems Fuzzy convergence structures in the framework of L-convex spaces [Volume 17, Issue 4, 2020, Pages 139-150]
  • Fuzzy sets General definitions for the union and intersection of ordered fuzzy multisets [Volume 17, Issue 4, 2020, Pages 41-54]
  • Fuzzy systems Switching fuzzy modelling and control scheme using T-S fuzzy systems with nonlinear consequent parts [Volume 17, Issue 2, 2020, Pages 49-65]
  • Fuzzy Ulam-Hyers-Rassias stability Ulam-Hyers-Rassias stability for fuzzy fractional integral equations [Volume 17, Issue 2, 2020, Pages 17-27]

G

H

  • Hamacher operations Generalized interval-valued intuitionistic fuzzy Hamacher generalized Shapley Choquet integral operators for multicriteria decision making [Volume 17, Issue 1, 2020, Pages 121-139]
  • Hausdorff fuzzy quasi-pseudometric Hyperspace of a fuzzy quasi-uniform space [Volume 17, Issue 2, 2020, Pages 97-114]
  • Hausdorff quasi-uniformity Hyperspace of a fuzzy quasi-uniform space [Volume 17, Issue 2, 2020, Pages 97-114]
  • Hesitant fuzzy sets Negations and aggregation operators based on a new hesitant fuzzy partial ordering [Volume 17, Issue 1, 2020, Pages 1-12]
  • Hesitant fuzzy sets Hesitant q-rung orthopair fuzzy aggregation operators with their applications in multi-criteria decision making [Volume 17, Issue 3, 2020, Pages 117-134]
  • Hesitant q-rung orthopair fuzzy sets Hesitant q-rung orthopair fuzzy aggregation operators with their applications in multi-criteria decision making [Volume 17, Issue 3, 2020, Pages 117-134]
  • Hesitant q-rung orthopair fuzzy weighted averaging operators Hesitant q-rung orthopair fuzzy aggregation operators with their applications in multi-criteria decision making [Volume 17, Issue 3, 2020, Pages 117-134]
  • Hesitant q-rung orthopair fuzzy weighted geometric operators Hesitant q-rung orthopair fuzzy aggregation operators with their applications in multi-criteria decision making [Volume 17, Issue 3, 2020, Pages 117-134]
  • Hub-and-Spoke Reliable hub-and-spoke network design problems under uncertainty through multi-objective programming [Volume 17, Issue 4, 2020, Pages 179-198]
  • Hutton $[0 Hyperspace of a fuzzy quasi-uniform space [Volume 17, Issue 2, 2020, Pages 97-114]

I

  • IFBCC efficiency A new approach to rank the decision making units in presence of infeasibility in intuitionistic fuzzy environment [Volume 17, Issue 2, 2020, Pages 183-199]
  • IFBCC super efficiency A new approach to rank the decision making units in presence of infeasibility in intuitionistic fuzzy environment [Volume 17, Issue 2, 2020, Pages 183-199]
  • IF CCR efficiency A new approach to rank the decision making units in presence of infeasibility in intuitionistic fuzzy environment [Volume 17, Issue 2, 2020, Pages 183-199]
  • IF CCR super efficiency A new approach to rank the decision making units in presence of infeasibility in intuitionistic fuzzy environment [Volume 17, Issue 2, 2020, Pages 183-199]
  • Information fusion Extended and infinite ordered weighted averaging and sum operators with numerical examples [Volume 17, Issue 3, 2020, Pages 33-41]
  • Interval numbers Interval number ranking method considering multiple decision attitudes [Volume 17, Issue 2, 2020, Pages 115-127]
  • Interval-valued intuitionistic fuzzy set Generalized interval-valued intuitionistic fuzzy Hamacher generalized Shapley Choquet integral operators for multicriteria decision making [Volume 17, Issue 1, 2020, Pages 121-139]
  • Intuitionistic fuzzy entropy A novel ranking method for intuitionistic fuzzy set based on information fusion and application to threat assessment [Volume 17, Issue 1, 2020, Pages 91-104]
  • Intuitionistic fuzzy set A novel ranking method for intuitionistic fuzzy set based on information fusion and application to threat assessment [Volume 17, Issue 1, 2020, Pages 91-104]
  • Intuitionistic fuzzy set Partially continuous pretopological and topological operators for intuitionistic fuzzy sets [Volume 17, Issue 2, 2020, Pages 1-15]
  • Intuitionistic fuzzy set Several new results based on the study of distance measures of intuitionistic fuzzy sets [Volume 17, Issue 2, 2020, Pages 147-163]
  • Intuitionistic fuzzy sets Multi-criteria IT personnel selection on intuitionistic fuzzy information measures and ARAS methodology [Volume 17, Issue 4, 2020, Pages 55-68]
  • IVRL-filter The role of states in triangle algebras [Volume 17, Issue 3, 2020, Pages 163-176]

K

  • Kernel function A robust least squares fuzzy regression model based on kernel function [Volume 17, Issue 4, 2020, Pages 105-119]
  • KFCM Refining membership degrees obtained from fuzzy C-means by re-fuzzification [Volume 17, Issue 4, 2020, Pages 85-104]

L

  • Least squares method A robust least squares fuzzy regression model based on kernel function [Volume 17, Issue 4, 2020, Pages 105-119]
  • Lexicographic method Solving matrix games with hesitant fuzzy pay-offs [Volume 17, Issue 4, 2020, Pages 25-40]
  • L-gauge space The Wijsman structure of a quantale-valued metric space [Volume 17, Issue 1, 2020, Pages 171-184]
  • L-Hausdorff metric The Wijsman structure of a quantale-valued metric space [Volume 17, Issue 1, 2020, Pages 171-184]
  • L-hyperspace The Wijsman structure of a quantale-valued metric space [Volume 17, Issue 1, 2020, Pages 171-184]
  • Linear matrix inequality Switching fuzzy modelling and control scheme using T-S fuzzy systems with nonlinear consequent parts [Volume 17, Issue 2, 2020, Pages 49-65]
  • L-metric space The Wijsman structure of a quantale-valued metric space [Volume 17, Issue 1, 2020, Pages 171-184]
  • Lure’ type systems Switching fuzzy modelling and control scheme using T-S fuzzy systems with nonlinear consequent parts [Volume 17, Issue 2, 2020, Pages 49-65]

M

  • M)$-fuzzy matroid Degrees of M-fuzzy families of independent L-fuzzy sets [Volume 17, Issue 1, 2020, Pages 53-64]
  • Matrix game Solving matrix games with hesitant fuzzy pay-offs [Volume 17, Issue 4, 2020, Pages 25-40]
  • Meta-heuristics Adaptive particularly tunable fuzzy particle swarm optimization algorithm [Volume 17, Issue 1, 2020, Pages 65-75]
  • Multicriteria decision making Generalized interval-valued intuitionistic fuzzy Hamacher generalized Shapley Choquet integral operators for multicriteria decision making [Volume 17, Issue 1, 2020, Pages 121-139]
  • Multi-criteria Decision Making Hesitant q-rung orthopair fuzzy aggregation operators with their applications in multi-criteria decision making [Volume 17, Issue 3, 2020, Pages 117-134]
  • Multi-criteria Decision Making Multi-criteria IT personnel selection on intuitionistic fuzzy information measures and ARAS methodology [Volume 17, Issue 4, 2020, Pages 55-68]
  • Multicriteria fuzzy TU game, supreme-utility Power allocation rules under fuzzy behavior and multicriteria situations [Volume 17, Issue 3, 2020, Pages 187-198]
  • Multiobjective fuzzy optimization New optimality conditions for multiobjective fuzzy programming problems [Volume 17, Issue 3, 2020, Pages 19-31]
  • Multi-objective optimization Solving matrix games with hesitant fuzzy pay-offs [Volume 17, Issue 4, 2020, Pages 25-40]
  • Multi-objective programming Reliable hub-and-spoke network design problems under uncertainty through multi-objective programming [Volume 17, Issue 4, 2020, Pages 179-198]
  • Multiple Criteria Decision Making A modification of probabilistic hesitant fuzzy sets and its application to multiple criteria decision making [Volume 17, Issue 4, 2020, Pages 151-166]
  • Multivariate control charts On the non-parametric multivariate control charts in fuzzy environment [Volume 17, Issue 1, 2020, Pages 185-205]

N

  • Navigation Safety A novel fuzzy multi-criteria decision-making methodology based upon the spherical fuzzy sets with a real case study [Volume 17, Issue 4, 2020, Pages 167-177]
  • Negation Negations and aggregation operators based on a new hesitant fuzzy partial ordering [Volume 17, Issue 1, 2020, Pages 1-12]
  • Nested dummy variables A new method for fuzzification of nested dummy variables by fuzzy clustering membership functions and its application in financial economy [Volume 17, Issue 1, 2020, Pages 13-27]
  • Non-Parametric tests On the non-parametric multivariate control charts in fuzzy environment [Volume 17, Issue 1, 2020, Pages 185-205]

O

  • Ordinal sum Alternative approaches to obtain t-norms and t-conorms on bounded lattices [Volume 17, Issue 4, 2020, Pages 121-138]
  • Outliers A robust least squares fuzzy regression model based on kernel function [Volume 17, Issue 4, 2020, Pages 105-119]
  • Output Power Type-2 fuzzy logic based pitch angle controller for fixed speed wind energy system [Volume 17, Issue 1, 2020, Pages 77-90]

P

  • Partial order Uncertainty analysis of hierarchical granular structures for multi-granulation typical hesitant fuzzy approximation space [Volume 17, Issue 4, 2020, Pages 69-84]
  • Partial ordering Negations and aggregation operators based on a new hesitant fuzzy partial ordering [Volume 17, Issue 1, 2020, Pages 1-12]
  • Particle Swarm Optimization Two-level supply chain for a deteriorating item with stock and promotional cost dependent demand under shortages [Volume 17, Issue 1, 2020, Pages 29-52]
  • Particle Swarm Optimization Fuzzy particle swarm optimization with nearest-better neighborhood for multimodal optimization [Volume 17, Issue 4, 2020, Pages 7-24]
  • Particle Swarm Optimization (PSO) Adaptive particularly tunable fuzzy particle swarm optimization algorithm [Volume 17, Issue 1, 2020, Pages 65-75]
  • Pitch angle controller Type-2 fuzzy logic based pitch angle controller for fixed speed wind energy system [Volume 17, Issue 1, 2020, Pages 77-90]
  • Possibility theory Reliable hub-and-spoke network design problems under uncertainty through multi-objective programming [Volume 17, Issue 4, 2020, Pages 179-198]
  • Probabilistic hesitant fuzzy set A modification of probabilistic hesitant fuzzy sets and its application to multiple criteria decision making [Volume 17, Issue 4, 2020, Pages 151-166]
  • Promotional Cost Two-level supply chain for a deteriorating item with stock and promotional cost dependent demand under shortages [Volume 17, Issue 1, 2020, Pages 29-52]
  • Pythagorean fuzzy sets Hesitant q-rung orthopair fuzzy aggregation operators with their applications in multi-criteria decision making [Volume 17, Issue 3, 2020, Pages 117-134]

Q

  • QFD Customer loyalty program based on quality function deployment with fuzzy linguistic preference relation [Volume 17, Issue 1, 2020, Pages 105-120]

R

  • Risk criterion A new quadratic deviation of fuzzy random variable and its application to portfolio optimization [Volume 17, Issue 3, 2020, Pages 1-18]
  • Robust fuzzy regression A robust least squares fuzzy regression model based on kernel function [Volume 17, Issue 4, 2020, Pages 105-119]
  • R package Fuzzy decision making in testing hypotheses: An introduction to the packages ``FPV" and ``Fuzzy.p.value" with practical examples [Volume 17, Issue 2, 2020, Pages 67-77]

S

  • Score function Solving matrix games with hesitant fuzzy pay-offs [Volume 17, Issue 4, 2020, Pages 25-40]
  • Shopping center Customer loyalty program based on quality function deployment with fuzzy linguistic preference relation [Volume 17, Issue 1, 2020, Pages 105-120]
  • Single cycle inventory model Single cycle supply chain coordination model for fuzzy stochastic demand of perishable items [Volume 17, Issue 2, 2020, Pages 39-48]
  • Spherical Fuzzy Sets A novel fuzzy multi-criteria decision-making methodology based upon the spherical fuzzy sets with a real case study [Volume 17, Issue 4, 2020, Pages 167-177]
  • State IVRL-filter The role of states in triangle algebras [Volume 17, Issue 3, 2020, Pages 163-176]
  • State operator The role of states in triangle algebras [Volume 17, Issue 3, 2020, Pages 163-176]
  • Switching nonlinear systems Switching fuzzy modelling and control scheme using T-S fuzzy systems with nonlinear consequent parts [Volume 17, Issue 2, 2020, Pages 49-65]

T

  • T-conditionality A new family of (A, N)-implications: Construction and properties [Volume 17, Issue 2, 2020, Pages 129-145]
  • The interval valued event Product operation and joint interval valued observable [Volume 17, Issue 4, 2020, Pages 1-6]
  • TOPSIS A novel fuzzy multi-criteria decision-making methodology based upon the spherical fuzzy sets with a real case study [Volume 17, Issue 4, 2020, Pages 167-177]
  • Trend Analysis Trend analysis in L-fuzzy contexts with absent values [Volume 17, Issue 3, 2020, Pages 69-84]
  • Triangle algebra The role of states in triangle algebras [Volume 17, Issue 3, 2020, Pages 163-176]
  • Triangular hesitant fuzzy set Solving matrix games with hesitant fuzzy pay-offs [Volume 17, Issue 4, 2020, Pages 25-40]
  • Trust Measure Two-level supply chain for a deteriorating item with stock and promotional cost dependent demand under shortages [Volume 17, Issue 1, 2020, Pages 29-52]
  • Two-warehouse model Two-level supply chain for a deteriorating item with stock and promotional cost dependent demand under shortages [Volume 17, Issue 1, 2020, Pages 29-52]
  • Type-2 FLC Type-2 fuzzy logic based pitch angle controller for fixed speed wind energy system [Volume 17, Issue 1, 2020, Pages 77-90]
  • Typical hesitant fuzzy set Uncertainty analysis of hierarchical granular structures for multi-granulation typical hesitant fuzzy approximation space [Volume 17, Issue 4, 2020, Pages 69-84]

U

  • UAV Fuzzy based efficient drone base stations (DBSs) placement in the 5G cellular network [Volume 17, Issue 2, 2020, Pages 29-38]
  • Uncertainty Type-2 fuzzy logic based pitch angle controller for fixed speed wind energy system [Volume 17, Issue 1, 2020, Pages 77-90]
  • Uncertainty measure Uncertainty analysis of hierarchical granular structures for multi-granulation typical hesitant fuzzy approximation space [Volume 17, Issue 4, 2020, Pages 69-84]

W

  • Wijsman topology The Wijsman structure of a quantale-valued metric space [Volume 17, Issue 1, 2020, Pages 171-184]
  • Wind energy system Type-2 fuzzy logic based pitch angle controller for fixed speed wind energy system [Volume 17, Issue 1, 2020, Pages 77-90]
  • Wireless sensor network Rule-based joint fuzzy and probabilistic networks [Volume 17, Issue 3, 2020, Pages 135-149]