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C-continuous fuzzy posets

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (3)

In this paper, we develop the C-continuity via Scott Q-cotopological spaces, where Q is a commutative and integral quantale. The main results are: (1)......

Milstein method for solving fuzzy differential equation

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (3)

To solve fuzzy differential equations driven by Liu process, three Milstein schemes are proposed in this work, which are explicit Milstein scheme, sem......

New results on the migrativity properties for overlap (grouping) functions and uninorms

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (3)

Functional equations involving aggregation functions play an important role in fuzzy sets and fuzzy logic theory. That the migrativity equation as a k......

On the symmetric quintuple implicational method of fuzzy reasoning

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (4)

A novel fuzzy reasoning method called the SQI (symmetric quintuple implicational) method is put forward, which is a generalization of the QIP (quintup......

Jensen's inequalities for pseudo-integrals

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (3)

In this paper, we introduce a general (circle plus,circle times)-convex function based on semirings ([a; b];circle plus,circle times) with pseudo-addi......

Hyers-Ulam-Rassias stability of quaternion multidimensional fuzzy nonlinear difference equations with impulses

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (3)

In this paper, we consider the Hyers-Ulam-Rassias stability of the impulsive fuzzy nonlinear difference equations in the multidimensional fuzzy quater......

Continuous probability-interval valued fuzzy preference relations and its application in group decision making

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (4)

Probabilistic hesitant fuzzy set represents the occurrence probabilities of elements. The probabilistic hesitant fuzzy preference relations can more e......

Reliability analysis of a warm standby series-parallel system with different switches and bi-uncertain lifetimes

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (2)

The reliability of a warm standby series-parallel system without adequate samples is studied based on the uncertainty theory. It is assumed that the l......

Note on "Fuzzy universal algebras on L-sets"

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (2)

This note is the continuation of the paper entitled "Fuzzy universal algebras on L-sets" (IJFS, Volume 16, Number 4, (2019), pp. 175-187) and it focus......

Semi-t-operators and idempotent semi-t-operators on bounded lattices

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (2)

Recently, Fang and Hu introduced the definition of semi-t-operators on bounded lattices. In this study, we propose several construction methods to obt......

A novel interval-valued fuzzy multiple twin support vector machine

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (2)

Multiple twin support vector machine (MTSVM) which evaluates all the training data into a "one-versus-rest" structure is a multi-class classification ......

On the existence of solutions to interval-valued differential equations with length constraints

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (2)

In this paper, we consider the existence of solutions to first-order interval-valued differential equations with length constraints under gH-different......

Uncertain network DEA models for evaluating efficiencies of Bi-echelon supply chain with asymmetric power

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (1)

Nowadays, some burgeoning issues occurring in green and sustainable supply chain face an increasing number of tackles, including uncertain factors and......

Fuzzy closure operators and their applications

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (1)

Fuzzy closure operators play a significant role in fuzzy order theory. This paper aims to further enrich and improve the study of fuzzy closure operat......

Stability and stabilization of network T-S fuzzy systems with random packet-loss for Synchronous machine

期刊: IRANIAN JOURNAL OF FUZZY SYSTEMS, 2021; 18 (1)

This article deals with the problem H infinity control under network T-S fuzzy system with random packet dropouts for the synchronous machine. In the ......

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