Volume 2 (2021)
Volume 1 (2020)

 Facts and Figures

 Journal of Fuzzy Extension and Applications

 ISO Abbreviation:  J. Fuzzy. Ext. Appl

Number of Volumes 3
Number of Issues 12
Number of Papers 95
Article View 63,158
PDF Download 32,475
View Per Article 664.82
PDF Download Per Article 341.84
Acceptance Rate 35%
Number of Indexing Databases 16
Number of Reviewers




Indexing and Abstracting


Islamic World Science Citation Center (ISC)

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Journal of Fuzzy Extension & Applications (JFEA)  is an international scholarly open access,  interdisciplinary,  fully refereed, and quarterly free of charge journal as a non-commercial publication. The publication start year of JFEA is 2020 and affiliated with Ayandegan Institute of Higher Education. The JFEA Journal has been indexed in the well-known world databases mainly; Directory of Open Access Journals (DOAJ), China Academic Journals (CNKI), WorldCat, Islamic World Science Citation Center (ISC), EBSCO, EuroPubGoogle ScholarUlrichsweb, and Scientific Information Database (SID). The JFEA has partnered with Publons, the world’s leading peer review platform, to officially recognize your peer review contributions. For more information about Publons or to sign up, visit our webpage at Publons. Moreover, JFEA utilizes "Plagiarism Detection Software (iThenticate)" for checking the originality of submitted papers in the reviewing process. This journal respects the ethical rules in publishing and is subject to the rules of the Ethics Committee" for Publication (COPE) and committed to follow the executive regulations of the Law on Prevention and Combating Fraud in Scientific  Works.

This journal aims to provide a forum for original research articles in the theory, design, and applications of Fuzzy sets and their generalization such as “Intuitionistic fuzzy sets”, “Pythagorean fuzzy sets”, “Picture fuzzy sets”, “Hesitant fuzzy sets”, ”Neutrosophic sets”, “Plithogenic set”, ”Hypersoft set”, etc. The goal of JFEA is to help promote the advances in the development and practice of fuzzy sets and their generalization in the areas of foundations, mathematics, artificial intelligence, finance, management, economic, uncertainty and indeterminacy modeling, information systems, soft computing,  and others. The scope of the journal involves fuzzy sets extensions and applications in every branch of science and technology. For more information about JFEA, see (About Journal).


Journal Citation Based on SCOPUS: 185 (h- index: 7)  (source)   (Info Link)


It should be noted that Journal of Fuzzy Extension & Applications (JFEA) has  a Memorandum  Of Understanding (MOU) with Neutrosophic Science International Association (NSIA).
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Research Paper Fuzzy sets and their variants
Fuzzy simple linear regression using Gaussian membership functions minimization problem

Besma Belhadj

Volume 3, Issue 4 , October 2022, Pages 279-289


  Under the additional assumption that the errors are normally distributed, the Ordinary Least Squares (OLS) method is the maximum likelihood estimator. In this paper, we propose, for a simple regression, an estimation method alternative to the OLS method based on a so-called Gaussian membership function, ...  Read More

Research Paper Fuzzy sets and their variants
Fuzzy cognitive study on post pandemic impact on occupational shift in rural areas

Nivetha Martin; A.Velankanni Ananth; P.K. Sharmila; T. Priya

Volume 3, Issue 4 , October 2022, Pages 290-301


  The pandemic has created a wide range of impacts on the livelihood of the people especially in their occupation and income generation. The horrific pandemic impacts have caused the populace to switch their occupations for the sake of their livelihood sustainability. This research works aims in determining ...  Read More

Research Paper Fuzzy multisets and their variants
Detection of counterfeit banknotes using genetic fuzzy system

Mahmut Dirik

Volume 3, Issue 4 , October 2022, Pages 302-312


  Due to developments in printing technology, the number of counterfeit banknotes is increasing every year. Finding an effective method to detect counterfeit banknotes is an important task in business. Finding a reliable method to detect counterfeit banknotes is a crucial challenge in the world of economic ...  Read More

Research Paper Hypersoft sets and their variants
Soft set product extended to hypersoft set and indetermsoft set cartesian product extended to indetermhypersoft set

Florentin Smarandache

Volume 3, Issue 4 , October 2022, Pages 313-316


  In this paper we define the Soft Set Product as a product of many soft sets and afterwards we extend it to the HyperSoft Set. Similarly, the IndetermSoft Product is extended to the IndetermHyperSoft Set. We also present several applications of the Soft Set Product to Fuzzy (and fuzzy-extensions)  ...  Read More

Research Paper Hesitant fuzzy sets and their variants
Supply chain management problem modelling in hesitant fuzzy environment

Madineh Farnam; Majid Darehmiraki

Volume 3, Issue 4 , October 2022, Pages 317-336


  Complex nature of the current market is often caused by uncertainties, data uncertainties, their manner of use, and differences in managers' viewpoints. To overcome these problems, Hesitant Fuzzy Sets (HFSs) can be useful as the extension of fuzzy set theory, in which the degree of membership of an element ...  Read More

Research Paper Fuzzy sets and their variants
Basic fuzzy arithmetic operations using α–cut for the gaussian membership function

Leonce Leandry; Innocent Sosoma; David Koloseni

Volume 3, Issue 4 , October 2022, Pages 337-348


  Currently fuzzy set theory has a wide range to model real life problems with incomplete or vague information which perfectly suits the reality and its application is theatrically increasing. This work explored the basic fuzzy operations with the Gaussian Membership using the α-cut method. As it ...  Read More

Research Paper Picture fuzzy sets and their variants
Some picture fuzzy mean operators and their applications in decision-making

Mohammad Kamrul Hasan; Md. Yasin Ali; Abeda Sultana; Nirmal Kanti Mitra

Volume 3, Issue 4 , October 2022, Pages 349-361


  Picture fuzzy set is the generalization of fuzzy set and intuitionistic fuzzy set. It is useful for handling uncertainty by considering the positive membership, neutral membership and negative membership degrees independently for each element of a universal set. The main objective of this article is ...  Read More

Fuzzy sets and their variants
Prediction of human behavior with TOPSIS

Taraneh Javanbakht; Shivanjan Chakravorty

Volume 3, Issue 2 , June 2022, , Pages 109-125


  The present paper proposes a new application of the prediction of human behavior using TOPSIS as an appropriate tool for data optimization. Our hypothesis was that the analysis of the candidates with this method was influenced by the change of their behavior. We found that the behavior change could occur ...  Read More

Fuzzy sets and their variants
Using a combined fuzzy-AHP and topsis decision model for selecting the best firewall alternative

Ceren Cubukcu; Cem Cantekin

Volume 3, Issue 3 , July 2022, , Pages 192-200


  Covid-19 pandemic forced all the world to make significant changes in their daily routines. As a result, internet and digital technologies started to be used more actively by individuals and businesses. Due to this digitalization, everyone is more open to digital threats. In order to provide the security ...  Read More

Linguistic term sets and their variants
Fuzzy FMEA model: a case study to identify rejection and losses in fibre industry

Mayank Jatwa; VK Sukhwani

Volume 3, Issue 1 , March 2022, , Pages 19-30


  The growing competition between fibre producing industry and the standards to which, it requires high quality standards. ABC company’s procurement department data shows N of number of defects in cellulose pulp sheet uncurl every month. Cellulose sheet is an important raw material in the fibre (Staple) ...  Read More

Z-numbers and their variants
Intuitive multiple centroid defuzzification of intuitionistic Z-numbers

Nik Muhammad Farhan Hakim Nik Badrul Alam; Ku Muhammad Naim Ku Khalif; Nor Izzati Jaini; Ahmad Syafadhli Abu Bakar; Lazim Abdullah

Volume 3, Issue 2 , June 2022, , Pages 126-139


  In fuzzy decision-making, incomplete information always leads to uncertain and partially reliable judgements. The emergence of fuzzy set theory helps decision-makers in handling uncertainty and vagueness when making judgements. Intuitionistic Fuzzy Numbers (IFN) measure the degree of uncertainty better ...  Read More

Fuzzy sets and their variants
A fuzzy multi objective inventory model of demand dependent deterioration including lead time

Satya Kumar Das

Volume 3, Issue 1 , March 2022, , Pages 1-18


  In this article, we have developed a deteriorated multi-item inventory model in a fuzzy environment. Here the demand rate is constant. Production cost and set-up cost are the most vital issue in the inventory system of the market world. Here production cost and set-up- cost are continuous functions of ...  Read More

Research Paper Fuzzy multisets and their variants
Fuzzy metric topology space and manifold

Mahdi Mollaei

Articles in Press, Accepted Manuscript, Available Online from 21 May 2022


  This paper, considers the fuzzy topological subsets, fuzzy topological spaces and introduces a novel concept of fuzzy Hausdorff space and fuzzy manifold space in this regards. Based on these concepts, we present a concept of fuzzy metric Hausdorff spaces and fuzzy metric manifold spaces via the notations ...  Read More

Short Communication Fuzzy sets and their variants
A note on somewhat fuzzy continuity

Zanyar A. Ameen

Articles in Press, Accepted Manuscript, Available Online from 22 September 2022


  Thangaraj and Balasubramanian introduced the so-called somewhat fuzzy semicontinuous and somewhat fuzzy semiopen functions. Two years later, the same authors defined two other types of functions called somewhat fuzzy continuous and somewhat fuzzy open without indicating connections between them. At first ...  Read More

Review Paper Pythagorean fuzzy sets and their variants
Spherical Distance Measurement Method for Solving MCDM Problems under Pythagorean Fuzzy Environment

Amal Kumar Adak; Dheeraj Kumar

Articles in Press, Accepted Manuscript, Available Online from 16 October 2022


  Multiple criteria decision analysis (MCDA) has been widelyinvestigated and successfully applied to many fields, owingto its great capability of modeling the process of actualdecision-making problems and establishing proper evaluationand assessment mechanisms. With the developmentof management and economics, ...  Read More

Research Paper Boolean-valued fuzzy sets and their variants
Global domination in Fuzzy graphs using Strong arcs


Articles in Press, Accepted Manuscript, Available Online from 31 October 2022


  Sambathkumar introduces the notion of global domination in graphs. According to him, a dominating set S of G is a global dominating set of G if S is also a dominating set of the complement of G.Nagoorgani and Jahir Hussain introduced the concept of global domination infuzzy graphs using effective arcs. ...  Read More

Research Paper
Providing a Hybrid Fuzzy Approach to Explain Managers’ Mental Paradigms to Prioritize Employee Needs

Abolfazl Rezaei; Mohammad Hemati

Articles in Press, Accepted Manuscript, Available Online from 01 November 2022


  Today, most manufacturing and service companies adopt a customer-oriented approach to take into account employee needs and expectations as a strategic principle for sustainability and success in a competitive market. Meanwhile, Sengeh argues that “many of the best ideas and strategies will not ...  Read More

Research Paper Fuzzy sets and their variants
The nilpotent ( p-group) of (D25 X C2n) for m > 5


Articles in Press, Accepted Manuscript, Available Online from 03 December 2022


  Abstract The term fuzzy logic is generic as it can be used to describe the likes of fuzzy arithmetic, fuzzy mathematical programming, fuzzy topology, fuzzy graph theory ad fuzzy data analysis which are customarily called fuzzy set theory. The aspect of pure Mathematics has undergone a lot of dynamic ...  Read More

Research Paper Neutrosophic sets and their variants
n-Cylindrical Fuzzy Neutrosophic Topological Spaces

Sarannya Kumari R

Articles in Press, Accepted Manuscript, Available Online from 08 December 2022


  Many advances have been made in the field of research since Chang created fuzzy topological space. The goal of this study is to incorporate topological space into the realm of n- cylindrical fuzzy neutrosophic sets (n-CyFNS), which are the most novel type of fuzzy neutrosophic sets. In this paper we ...  Read More

Research Paper Fuzzy sets and their variants
On the Introduction to neutrosophic statistics and neutrosophic algebraic structures ( involving the fuzziness, similarity and the symmetry properties on the neutrosophic interval probability) (1)

SUNDAY ADESINA ADEBISI; Florentin Smarandache

Articles in Press, Accepted Manuscript, Available Online from 10 December 2022


  Abstract The neutrosophic interval statistical number (NISN) has been known to be very useful in expressing the interval values under indeterminate environments. One of the essential and so important useful as tools for measuring the degree of similarity between sets of given objects is the similarity ...  Read More

Research Paper Neutrosophic sets and their variants
On Refined Neutrosophic Finite p-Group

Sunday Adesina Adebisi; Florentin Smarandache

Articles in Press, Accepted Manuscript, Available Online from 17 December 2022


  Abstract. The neutrosophic automorphisms of a neutrosophic groups G(I), denoted by Aut(G(I)) is a neu-trosophic group under the usual mapping composition. It is a permutation of G(I) which is also a neutrosophichomomorphism. Moreover, suppose that X1 = X(G(I)) is the neutrosophic group of Inner neutrosophic ...  Read More

Research Paper Intuitionistic fuzzy sets and their variants
Some properties of Intuitionistic fuzzy modules

Behnam Talaee; Mehrnoosh Sobhani; Bijan Davvaz

Articles in Press, Accepted Manuscript, Available Online from 17 December 2022


  In this paper, we discuss the structure of intuitionistic fuzzy projec- tive modules and investigate some properties of them. Also we study about intuitionistic fuzzy homomorphisms between intuitionistic fuzzy modules.We study about exact sequences, products and co-products, func- tors and relating topics ...  Read More

Review Paper Plithogenic sets and their variants
An Overview of Plithogenic Set and Symbolic Plithogenic Algebraic Structures

Florentin Smarandache

Articles in Press, Accepted Manuscript, Available Online from 24 January 2023


  This paper is devoted to Plithogeny, Plithogenic Set, and its extensions. These concepts are branches of uncertainty and indeterminacy instruments of practical and theoretical interest. Starting with some examples, we proceed towards general structures. Then we present definitions and applications of ...  Read More

D- numbers and their variants
Supplier selection using fuzzy AHP method and D-numbers

Payam Shafi Salimi; Seyyed Ahmad Edalatpanah

Volume 1, Issue 1 , March 2020, , Pages 1-14


  Success in supply begins with the right choice of suppliers and in the long run is directly related to how suppliers are managed, because suppliers have a significant impact on the success or failure of a company. Multi-criteria decisions are approaches that deal with ranking and selecting one or more ...  Read More

Ordered structures and their variants
New characterization theorems of the mp-quantales

George Georgescu

Volume 2, Issue 2 , June 2021, , Pages 106-119


  The mp-quantales were introduced in a previous paper as an abstraction of the lattices of ideals in mp-rings and the lattices of ideals in conormal lattices. Several properties of m-rings and conormal lattices were generalized to mp-quantales. In this paper we shall prove new characterization theorems ...  Read More

Intuitionistic fuzzy sets and their variants
Medical diagnostic analysis on some selected patients based on modified Thao et al.’s correlation coefficient of intuitionistic fuzzy sets via an algorithmic approach

Paul Augustine Ejegwa; Idoko Charles Onyeke

Volume 1, Issue 2 , June 2020, , Pages 122-132


  The concept of correlation coefficient of intuitionistic fuzzy sets is a reliable tool in information theory with numerous applications in diverse areas. Correlation coefficients of intuitionistic fuzzy sets have been studied through two-way approach by many researchers. This approach inappropriately ...  Read More

Type-2 fuzzy sets and their variants
Using interval type-2 fuzzy logic to analyze Igbo emotion words

Uduak Umoh; Imo Eyoh; Etebong Isong; Anietie Ekong; Salvation Peter

Volume 1, Issue 3 , September 2020, , Pages 206-226


  Several attempts had been made to analyze emotion words in the fields of linguistics, psychology and sociology; with the advent of computers, the analyses of these words have taken a different dimension. Unfortunately, limited attempts have so far been made to using interval type-2 fuzzy logic (IT2FL) ...  Read More

Pythagorean fuzzy sets and their variants
Some similarity measures of rough interval Pythagorean fuzzy sets

V. S. Subha; P. Dhanalakshmi

Volume 1, Issue 4 , December 2020, , Pages 304-313


  In this paper, we expose cosine, jaccard and dice similarity measures and rough interval Pythagorean mean operator. Some of the important properties of the defined similarity measures have been established. Then the proposed methods are applied for solving multi attribute decision making problems. Finally, ...  Read More



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DOI prefix:10.22105

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