Keyword Index

A

  • Admissible order Interval-valued fuzzy logical connectives with respect to admissible orders [Volume 20, Issue 4, 2023, Pages 1-19]
  • Aggregation operators Interval-valued q-rung orthopair fuzzy integrals and their application in multi-criteria group decision making [Volume 20, Issue 7, 2023, Pages 1-26]
  • Aggregation operators On the distributivity property of uninorms locally internal on the boundary over noncontinuous t-(co)norms [Volume 20, Issue 4, 2023, Pages 137-152]
  • Argumentation Probabilistic fuzzy argumentation frameworks with finite fuzzy statuses [Volume 20, Issue 3, 2023, Pages 177-189]
  • Associated function The distributivity characterization of idempotent null-uninorms over two special aggregation operators [Volume 20, Issue 2, 2023, Pages 103-119]
  • Attitudinal Choquet integral Heuristics-based modelling of human decision process [Volume 20, Issue 3, 2023, Pages 19-30]

B

  • Bandler-Kohout subproduct Fuzzy implications satisfying the generalized hypothetical syllogism based on the Bandler-Kohout subproduct with semicopulas [Volume 20, Issue 1, 2023, Pages 171-183]
  • Bi-matrix game A new approach to solve intuitionistic fuzzy bi-matrix games involving multiple opinions [Volume 20, Issue 1, 2023, Pages 185-197]
  • BL-algebra A study of BL-algebras by UC-filters [Volume 20, Issue 7, 2023, Pages 145-155]
  • Bounded lattice A new extension of a triangular norm on a subinterval $[0,lpha]$ via an interior operator to the underlying entire bounded lattice [Volume 20, Issue 3, 2023, Pages 95-113]
  • Bounded lattice Methods for obtaining uninorms on some special classes of bounded lattices [Volume 20, Issue 7, 2023, Pages 111-126]

C

  • Caputo-Fabrizio derivative Fuzzy approximation of a fractional Lorenz system and a fractional financial crisis [Volume 20, Issue 7, 2023, Pages 27-36]
  • Cauchy completeness Completeness of L-quasi-uniform convergence spaces [Volume 20, Issue 2, 2023, Pages 57-67]
  • Cauchy pair ⊤-filter Completions of ⊤-quasi-Cauchy spaces [Volume 20, Issue 7, 2023, Pages 71-84]
  • Cloud model A controller design and analysis using asymmetry triangular cloud models [Volume 20, Issue 2, 2023, Pages 33-55]
  • Conditional distributivity Conditional distributivity of continuous triangular norms over 2-uninorms [Volume 20, Issue 2, 2023, Pages 69-82]
  • Consistency fuzzy set Consistency fuzzy cross entropy based VIKOR approach for multi-criteria decision making [Volume 20, Issue 4, 2023, Pages 39-56]
  • Continuity Quintuple intuitionistic fuzzy implications reasoning algorithms and application [Volume 20, Issue 1, 2023, Pages 153-170]
  • Convergence On the first-order autonomous interval-valued difference equations under gH-difference [Volume 20, Issue 2, 2023, Pages 21-32]
  • Copula function A new copula-based bivariate Gompertz--Makeham model and its application to COVID-19 mortality data [Volume 20, Issue 3, 2023, Pages 159-175]
  • Correlation measure A Hybridized Correlation Coefficient Technique and its Application in Classification Process under Intuitionistic Fuzzy Setting [Volume 20, Issue 4, 2023, Pages 103-120]
  • COVID-19 Designing a sustainable development model for agricultural sector under critical circumstances (COVID-19 Pandemic): A fuzzy approach [Volume 20, Issue 2, 2023, Pages 173-200]
  • Credibility theory Binary option pricing formulas for fuzzy financial market based on the exponential Ornstein-Uhlenbeck model [Volume 20, Issue 4, 2023, Pages 81-95]

D

  • Decision making Interval-valued q-rung orthopair fuzzy integrals and their application in multi-criteria group decision making [Volume 20, Issue 7, 2023, Pages 1-26]
  • Diaz-Metcalf type inequality Diaz-Metcalf type inequality for Sugeno and pseudo-integrals [Volume 20, Issue 3, 2023, Pages 31-41]
  • Distributivity equation The distributivity characterization of idempotent null-uninorms over two special aggregation operators [Volume 20, Issue 2, 2023, Pages 103-119]
  • Dual probabilistic linguistic term set A dual probabilistic linguistic MARCOS approach based on generalized Dombi operator for decision-making [Volume 20, Issue 2, 2023, Pages 83-102]

E

  • Enriched category Completeness of L-quasi-uniform convergence spaces [Volume 20, Issue 2, 2023, Pages 57-67]
  • Extended VIKOR method VIKOR-based group decision-making method for software quality assessment [Volume 20, Issue 1, 2023, Pages 53-70]

F

  • Flight schedules disruption Proper process selection during flight schedule disruption using a fuzzy multi-criteria decision-making expert system [Volume 20, Issue 2, 2023, Pages 121-133]
  • Fractional Lorenz system Fuzzy approximation of a fractional Lorenz system and a fractional financial crisis [Volume 20, Issue 7, 2023, Pages 27-36]
  • Fractional network-based epidemic model The analysis of a fractional network-based epidemic model with saturated treatment function and fuzzy transmission [Volume 20, Issue 1, 2023, Pages 1-18]
  • Fuzzy approximation space Generalization of rough fuzzy sets based on a fuzzy ideal [Volume 20, Issue 1, 2023, Pages 27-38]
  • Fuzzy connectives On the distributivity property of uninorms locally internal on the boundary over noncontinuous t-(co)norms [Volume 20, Issue 4, 2023, Pages 137-152]
  • Fuzzy constraints Linear optimization problem subjected to fuzzy relational equations and fuzzy constraints [Volume 20, Issue 2, 2023, Pages 1-20]
  • Fuzzy fractional differential inclusion On existence and stability results to fuzzy Caputo fractional differential inclusions driven by fuzzy mixed quasivariational inequalities [Volume 20, Issue 3, 2023, Pages 43-59]
  • Fuzzy graph Second Zagreb index for fuzzy graphs and its application in mathematical chemistry [Volume 20, Issue 1, 2023, Pages 119-136]
  • Fuzzy implication Fuzzy implications satisfying the generalized hypothetical syllogism based on the Bandler-Kohout subproduct with semicopulas [Volume 20, Issue 1, 2023, Pages 171-183]
  • Fuzzy integral Diaz-Metcalf type inequality for Sugeno and pseudo-integrals [Volume 20, Issue 3, 2023, Pages 31-41]
  • Fuzzy linear systems The general algebraic solution of fuzzy linear systems based on a block representation of {1}-inverses [Volume 20, Issue 3, 2023, Pages 115-126]
  • Fuzzy numbers Weighted approximation of fuzzy numbers by using m-n-step type fuzzy number [Volume 20, Issue 3, 2023, Pages 147-158]
  • Fuzzy numbers Lattice Expansion of Fuzzy Concepts [Volume 20, Issue 4, 2023, Pages 153-164]
  • Fuzzy reasoning Quintuple intuitionistic fuzzy implications reasoning algorithms and application [Volume 20, Issue 1, 2023, Pages 153-170]
  • Fuzzy relation Type-2 lattice-valued preorders: A common framework of lattice-valued preorders and various kinds of metrics [Volume 20, Issue 3, 2023, Pages 191-203]
  • Fuzzy relational equations Linear optimization problem subjected to fuzzy relational equations and fuzzy constraints [Volume 20, Issue 2, 2023, Pages 1-20]
  • Fuzzy rough set Fuzzy accompanied approximation space under fuzzy relation [Volume 20, Issue 3, 2023, Pages 75-94]
  • Fuzzy set A picture fuzzy distance measure and its application to pattern recognition problems [Volume 20, Issue 1, 2023, Pages 71-85]
  • Fuzzy sets A controller design and analysis using asymmetry triangular cloud models [Volume 20, Issue 2, 2023, Pages 33-55]
  • Fuzzy sets Interval-valued q-rung orthopair fuzzy integrals and their application in multi-criteria group decision making [Volume 20, Issue 7, 2023, Pages 1-26]
  • Fuzzy sets Fuzzy approximation of a fractional Lorenz system and a fractional financial crisis [Volume 20, Issue 7, 2023, Pages 27-36]
  • Fuzzy System Proper process selection during flight schedule disruption using a fuzzy multi-criteria decision-making expert system [Volume 20, Issue 2, 2023, Pages 121-133]

G

  • Game theory A new approach to solve intuitionistic fuzzy bi-matrix games involving multiple opinions [Volume 20, Issue 1, 2023, Pages 185-197]
  • Genetic Algorithm Weighted K-nearest neighbors classification based on Whale optimization algorithm [Volume 20, Issue 3, 2023, Pages 61-74]
  • Grouping function The distributivity characterization of idempotent null-uninorms over two special aggregation operators [Volume 20, Issue 2, 2023, Pages 103-119]
  • Grouping function On the modularity equation for overlap (grouping) functions and semi-t-operators [Volume 20, Issue 4, 2023, Pages 121-136]
  • GV-fuzzy metric Type-2 lattice-valued preorders: A common framework of lattice-valued preorders and various kinds of metrics [Volume 20, Issue 3, 2023, Pages 191-203]

H

  • Hesitant fuzzy linear programming Simplex algorithm for hesitant fuzzy linear programming problem with hesitant cost coefficient [Volume 20, Issue 1, 2023, Pages 137-152]
  • Hesitant fuzzy number Simplex algorithm for hesitant fuzzy linear programming problem with hesitant cost coefficient [Volume 20, Issue 1, 2023, Pages 137-152]
  • Hesitant fuzzy simplex algorithm Simplex algorithm for hesitant fuzzy linear programming problem with hesitant cost coefficient [Volume 20, Issue 1, 2023, Pages 137-152]
  • Hoop Radical of filters on hoops [Volume 20, Issue 7, 2023, Pages 127-143]

I

  • Idempotent null-uninorms The distributivity characterization of idempotent null-uninorms over two special aggregation operators [Volume 20, Issue 2, 2023, Pages 103-119]
  • Idempotent uninorms The distributivity characterization of idempotent null-uninorms over two special aggregation operators [Volume 20, Issue 2, 2023, Pages 103-119]
  • Information fusion Interval-valued q-rung orthopair fuzzy integrals and their application in multi-criteria group decision making [Volume 20, Issue 7, 2023, Pages 1-26]
  • Integrals over fuzzy domains Some aspects on computation of scalar valued and fuzzy valued integrals over fuzzy domains [Volume 20, Issue 3, 2023, Pages 1-17]
  • Interior operator A new extension of a triangular norm on a subinterval $[0,lpha]$ via an interior operator to the underlying entire bounded lattice [Volume 20, Issue 3, 2023, Pages 95-113]
  • Interval-valued difference equations On the first-order autonomous interval-valued difference equations under gH-difference [Volume 20, Issue 2, 2023, Pages 21-32]
  • Intuitionistic fuzzy numbers A new approach to solve intuitionistic fuzzy bi-matrix games involving multiple opinions [Volume 20, Issue 1, 2023, Pages 185-197]
  • Intuitionistic fuzzy operation New intuitionistic fuzzy operations, operators and topological structures [Volume 20, Issue 7, 2023, Pages 37-53]
  • Intuitionistic fuzzy pairs A Hybridized Correlation Coefficient Technique and its Application in Classification Process under Intuitionistic Fuzzy Setting [Volume 20, Issue 4, 2023, Pages 103-120]
  • Intuitionistic fuzzy set A picture fuzzy distance measure and its application to pattern recognition problems [Volume 20, Issue 1, 2023, Pages 71-85]
  • Intuitionistic fuzzy set Quintuple intuitionistic fuzzy implications reasoning algorithms and application [Volume 20, Issue 1, 2023, Pages 153-170]
  • Intuitionistic fuzzy set New intuitionistic fuzzy operations, operators and topological structures [Volume 20, Issue 7, 2023, Pages 37-53]
  • Intuitionistic fuzzy sets A Hybridized Correlation Coefficient Technique and its Application in Classification Process under Intuitionistic Fuzzy Setting [Volume 20, Issue 4, 2023, Pages 103-120]
  • Inverse rule base interpolation Forward and backward fuzzy rule base interpolation using fuzzy geometry [Volume 20, Issue 3, 2023, Pages 127-146]
  • Iran Designing a sustainable development model for agricultural sector under critical circumstances (COVID-19 Pandemic): A fuzzy approach [Volume 20, Issue 2, 2023, Pages 173-200]
  • IVI-octahedron averaging operator Some aggregation operators for IVI-octahedron sets and their application to MCDGM [Volume 20, Issue 2, 2023, Pages 135-149]
  • IVI-octahedron Bonferroni mean operator Some aggregation operators for IVI-octahedron sets and their application to MCDGM [Volume 20, Issue 2, 2023, Pages 135-149]
  • IVI-octahedron geometric operator Some aggregation operators for IVI-octahedron sets and their application to MCDGM [Volume 20, Issue 2, 2023, Pages 135-149]
  • IVI-Octahedron set Some aggregation operators for IVI-octahedron sets and their application to MCDGM [Volume 20, Issue 2, 2023, Pages 135-149]

K

  • Keywords: aggregation function Characterization of Bivariate Quadratic Transformations of Quasi-copulas [Volume 20, Issue 4, 2023, Pages 165-178]
  • K-nearest neighbors Weighted K-nearest neighbors classification based on Whale optimization algorithm [Volume 20, Issue 3, 2023, Pages 61-74]

L

  • Lawvere completeness Completeness of L-quasi-uniform convergence spaces [Volume 20, Issue 2, 2023, Pages 57-67]
  • Liu process Binary option pricing formulas for fuzzy financial market based on the exponential Ornstein-Uhlenbeck model [Volume 20, Issue 4, 2023, Pages 81-95]
  • L-metric space Completions of ⊤-quasi-Cauchy spaces [Volume 20, Issue 7, 2023, Pages 71-84]
  • L-quasi-uniform convergence space Completeness of L-quasi-uniform convergence spaces [Volume 20, Issue 2, 2023, Pages 57-67]
  • L-quasi-uniform space Completeness of L-quasi-uniform convergence spaces [Volume 20, Issue 2, 2023, Pages 57-67]

M

  • MARCOS A dual probabilistic linguistic MARCOS approach based on generalized Dombi operator for decision-making [Volume 20, Issue 2, 2023, Pages 83-102]
  • Medical diagnosis A picture fuzzy distance measure and its application to pattern recognition problems [Volume 20, Issue 1, 2023, Pages 71-85]
  • M-fuzzifying circuit map Equivalent axioms of M-fuzzifying convex matroids [Volume 20, Issue 7, 2023, Pages 101-109]
  • M-fuzzifying convex matroid Equivalent axioms of M-fuzzifying convex matroids [Volume 20, Issue 7, 2023, Pages 101-109]
  • M-fuzzifying hull operator Equivalent axioms of M-fuzzifying convex matroids [Volume 20, Issue 7, 2023, Pages 101-109]
  • M-fuzzifying rank function Equivalent axioms of M-fuzzifying convex matroids [Volume 20, Issue 7, 2023, Pages 101-109]
  • M-fuzzy family of dependent sets Equivalent axioms of M-fuzzifying convex matroids [Volume 20, Issue 7, 2023, Pages 101-109]
  • Modularity equation On the modularity equation for overlap (grouping) functions and semi-t-operators [Volume 20, Issue 4, 2023, Pages 121-136]
  • Morsi fuzzy metric Type-2 lattice-valued preorders: A common framework of lattice-valued preorders and various kinds of metrics [Volume 20, Issue 3, 2023, Pages 191-203]
  • Multi criteria decision making Heuristics-based modelling of human decision process [Volume 20, Issue 3, 2023, Pages 19-30]
  • Multi-criteria Decision Making Proper process selection during flight schedule disruption using a fuzzy multi-criteria decision-making expert system [Volume 20, Issue 2, 2023, Pages 121-133]
  • Multi-criteria Decision Making Consistency fuzzy cross entropy based VIKOR approach for multi-criteria decision making [Volume 20, Issue 4, 2023, Pages 39-56]

O

  • Option pricing Binary option pricing formulas for fuzzy financial market based on the exponential Ornstein-Uhlenbeck model [Volume 20, Issue 4, 2023, Pages 81-95]
  • Order On linearly ordered index sets for ordinal sums in the sense of A. H. Clifford yielding uninorms [Volume 20, Issue 2, 2023, Pages 161-166]
  • Ordinal sum On linearly ordered index sets for ordinal sums in the sense of A. H. Clifford yielding uninorms [Volume 20, Issue 2, 2023, Pages 161-166]
  • Ordinal sum A new extension of a triangular norm on a subinterval $[0,lpha]$ via an interior operator to the underlying entire bounded lattice [Volume 20, Issue 3, 2023, Pages 95-113]
  • Ordinal sum A note on the ordinal sum of triangular norms on bounded lattices [Volume 20, Issue 4, 2023, Pages 75-80]
  • Overlap function The distributivity characterization of idempotent null-uninorms over two special aggregation operators [Volume 20, Issue 2, 2023, Pages 103-119]
  • Overlap function On the modularity equation for overlap (grouping) functions and semi-t-operators [Volume 20, Issue 4, 2023, Pages 121-136]

P

  • PDC controller On the global stabilization of perturbed nonlinear fuzzy control systems [Volume 20, Issue 1, 2023, Pages 39-52]
  • Picture fuzzy set A picture fuzzy distance measure and its application to pattern recognition problems [Volume 20, Issue 1, 2023, Pages 71-85]
  • Picture fuzzy set A parametric similarity measure between picture fuzzy sets and its applications in multi-attribute decision-making [Volume 20, Issue 1, 2023, Pages 87-102]
  • Positive low-value relation Fuzzy accompanied approximation space under fuzzy relation [Volume 20, Issue 3, 2023, Pages 75-94]
  • Process capability analysis Analyzing of process capability indices under uncertain information and hesitancy by using Pythagorean fuzzy sets [Volume 20, Issue 7, 2023, Pages 85-99]
  • Process capability indices Analyzing of process capability indices under uncertain information and hesitancy by using Pythagorean fuzzy sets [Volume 20, Issue 7, 2023, Pages 85-99]
  • PSO Algorithm Linear optimization problem subjected to fuzzy relational equations and fuzzy constraints [Volume 20, Issue 2, 2023, Pages 1-20]
  • Pythagorean fuzzy sets Analyzing of process capability indices under uncertain information and hesitancy by using Pythagorean fuzzy sets [Volume 20, Issue 7, 2023, Pages 85-99]

Q

  • Quasi-overlap functions New constructions of lattice-valued quasi-overlap functions [Volume 20, Issue 1, 2023, Pages 103-117]

R

  • Ranking function Simplex algorithm for hesitant fuzzy linear programming problem with hesitant cost coefficient [Volume 20, Issue 1, 2023, Pages 137-152]
  • Ranking function Solving fully linear programming problem based on Z-numbers [Volume 20, Issue 7, 2023, Pages 157-174]
  • Rational Gödel logic The Craig interpolation property for rational Gödel logic [Volume 20, Issue 1, 2023, Pages 19-25]
  • Restricted equivalence functions Restricted equivalence functions induced from fuzzy implication functions [Volume 20, Issue 2, 2023, Pages 151-160]
  • Rough set Generalization of rough fuzzy sets based on a fuzzy ideal [Volume 20, Issue 1, 2023, Pages 27-38]

S

  • Score function Some aggregation operators for IVI-octahedron sets and their application to MCDGM [Volume 20, Issue 2, 2023, Pages 135-149]
  • Semicopula Fuzzy implications satisfying the generalized hypothetical syllogism based on the Bandler-Kohout subproduct with semicopulas [Volume 20, Issue 1, 2023, Pages 171-183]
  • Similarity measure A parametric similarity measure between picture fuzzy sets and its applications in multi-attribute decision-making [Volume 20, Issue 1, 2023, Pages 87-102]
  • Soft sets The bilateral fuzzy soft set and its application in multi-criteria multi-person decision making under conflict information [Volume 20, Issue 4, 2023, Pages 21-37]
  • Stability analysis A controller design and analysis using asymmetry triangular cloud models [Volume 20, Issue 2, 2023, Pages 33-55]
  • Strict-feedback multi-agent systems Distributed Adaptive Iterative Learning Exact Consensus for Nonlinear Strict-feedback Multi-agent Systems with Unknown Control Directions [Volume 20, Issue 4, 2023, Pages 57-74]

T

  • Takagi-Sugeno fuzzy systems On the global stabilization of perturbed nonlinear fuzzy control systems [Volume 20, Issue 1, 2023, Pages 39-52]

U

  • Unsupervised feature selection Unsupervised feature selection: A fuzzy multi-criteria decision-making approach [Volume 20, Issue 7, 2023, Pages 55-70]
  • Upper semicontinuity On existence and stability results to fuzzy Caputo fractional differential inclusions driven by fuzzy mixed quasivariational inequalities [Volume 20, Issue 3, 2023, Pages 43-59]

V

  • VIKOR method Consistency fuzzy cross entropy based VIKOR approach for multi-criteria decision making [Volume 20, Issue 4, 2023, Pages 39-56]

W

  • Whale optimization algorithm Weighted K-nearest neighbors classification based on Whale optimization algorithm [Volume 20, Issue 3, 2023, Pages 61-74]

Z

  • Zadeh extension principle Lattice Expansion of Fuzzy Concepts [Volume 20, Issue 4, 2023, Pages 153-164]
  • Z-numbers Solving fully linear programming problem based on Z-numbers [Volume 20, Issue 7, 2023, Pages 157-174]