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 89
Article View 60,737
PDF Download 29,701
View Per Article 682.44
PDF Download Per Article 333.72
Acceptance Rate 37%
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).


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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Special issues:


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

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

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

Research Paper Fuzzy multisets and their variants

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 widely investigated and successfully applied to many fields, owing to its great capability of modeling the process of actual decision-making problems and establishing proper evaluation and assessment mechanisms. With the development of management and ...  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 in fuzzy 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

Neutrosophic sets and their variants
Generalizations and alternatives of classical algebraic structures to neutroAlgebraic structures and antiAlgebraic structures

Florentin Smarandache

Volume 1, Issue 2 , June 2020, , Pages 81-83


  In this paper we present the development from paradoxism to neutrosophy, which gave birth to neutrosophic set and logic and especially to NeutroAlgebraic Structures (or NeutroAlgebras) and AntiAlgebraic Structures (or AntiAlgebras) that are generalizations and alternatives of the classical algebraic ...  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

Picture fuzzy sets and their variants
The picture fuzzy distance measure in controlling network power consumption

Ngan Thi Roan; Salvador Coll; Marina Alonso; Juan Miguel Martínez Rubio; Pedro López; Fran Andujar; Son Hoang Le; Manh Van Vu; Florentin Smarandache

Volume 1, Issue 3 , September 2020, , Pages 139-158


  In order to solve the complex decision-making problems, there are many approaches and systems based on the fuzzy theory were proposed. In 1998, Smarandache introduced the concept of single-valued neutrosophic set as a complete development of fuzzy theory. In this paper, we research on the distance measure ...  Read More

Fuzzy sets and their variants
Fuzzy programming approach to Bi-level linear programming problems

Eshetu Dadi Gurmu; Tagay Takele Fikadu

Volume 1, Issue 4 , December 2020, , Pages 252-271


  In this study, we discussed a fuzzy programming approach to bi-level linear programming problems and their application. Bi-level linear programming is characterized as mathematical programming to solve decentralized problems with two decision-makers in the hierarchal organization. They become more important ...  Read More

Intuitionistic fuzzy sets and their variants
A study on fundamentals of refined intuitionistic fuzzy set with some properties

Atiqe Ur Rahman; Muhammad Rayees Ahmad; Muhammad Saeed; Muhammad Ahsan; Muhammad Arshad; Muhammad Ihsan

Volume 1, Issue 4 , December 2020, , Pages 279-292


  Zadeh conceptualized the theory of fuzzy set to provide a tool for the basis of the theory of possibility. Atanassov extended this theory with the introduction of intuitionistic fuzzy set. Smarandache introduced the concept of refined intuitionistic fuzzy set by further subdivision of membership and ...  Read More



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DOI prefix:10.22105

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