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 11
Number of Papers 86
Article View 58,112
PDF Download 27,732
View Per Article 675.72
PDF Download Per Article 322.47
Acceptance Rate 36%
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
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

Research Paper Fuzzy sets and their variants
Evaluation of key impression of resilient supply chain based on artificial intelligence of things (AIoT)

Alireza Aliahmadi; Hamed Nozari; Javid Ghahremani-Nahr; Agnieszka Szmelter-Jarosz

Volume 3, Issue 3 , July 2022, Pages 201-211


  In recent years, the high complexity of the business environment, dynamism and environmental change, uncertainty and concepts such as globalization and increasing competition of organizations in the national and international arena have caused many changes in the equations governing the supply chain. ...  Read More

Research Paper Fuzzy sets and their variants
The fuzzy subgroups for the nilpotent ( p-group) of (d23 × c2m) for m ≥ 3

Sunday Adesina Adebisi; Mike Ogiugo; Michael Enioluwafe

Volume 3, Issue 3 , July 2022, Pages 212-218


  A group is nilpotent if it has a normal series of a finite length n. By this notion, every finite p-group is nilpotent. The nilpotence property is an hereditary one. Thus, every finite p-group possesses certain remarkable characteristics. In this paper, the explicit formulae is given for the number of ...  Read More

Research Paper Artificial Intelligence
Age and gender classification from facial features and object detection with machine learning

Mehmet Karahan; Furkan Lacinkaya; Kaan Erdonmez; Eren Deniz Eminagaoglu; Cosku Kasnakoglu

Volume 3, Issue 3 , July 2022, Pages 219-230


  In recent years, development of the machine learning algorithms has led to the creation of intelligent surveillance systems. Thanks to the machine learning, it is possible to perform intelligent surveillance by recognizing people's facial features, classifying their age and gender, and detecting objects ...  Read More

Research Paper Q-rung orthopair fuzzy sets and their variants
Decision-making analysis of minimizing the death rate due to covid-19 by using q-rung orthopair fuzzy soft bonferroni mean operator

Mujahid Abbas; Muhammad Waseem Asghar; Yanhui Guo

Volume 3, Issue 3 , July 2022, Pages 231-248


  The q-Rung Orthopair Fuzzy Soft Set (q-ROFSS) theory is a significant extension of Pythagorean fuzzy soft set and intuitionistic fuzzy soft set theories for dealing with the imprecision and uncertainty in data. The purpose of this study is to improve and apply this theory in decision-making. To achieve ...  Read More

Research Paper Complex Fuzzy Sets and their variants
An efficient parallel greedy algorithm for fuzzy hybrid flow shop scheduling with setup time and lot size: a case study in apparel process

Orhan Engin; Meral İşler

Volume 3, Issue 3 , July 2022, Pages 249-262


  This paper deals with the Fuzzy Hybrid Flow Shop (FHFS) scheduling inspired by a real apparel process. A Parallel Greedy (PG) algorithm is proposed to solve the FHFS problems with Setup Time (ST) and Lot Size (LS). The fuzzy model is used to define the uncertain setup and Processing Time (PT) and Due ...  Read More

Research Paper Linguistic term sets and their variants
Prioritisation of GPM activities from lean-agile-resilience perspective using fuzzy analytic hierarchy process

Somaieh Alavi; Masoomeh Zeinalnezhad; Emad Mousavi

Volume 3, Issue 3 , July 2022, Pages 263-278


  Green Project Management (GPM) involves a set of management actions to identify and evaluate the impact of activities on the environment and to control and improve performance. Accordingly, the concepts of lean, agility and resilience have a special place as driving forces because they can play an important ...  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

Neutrosophic sets and their variants
A neutrosophic Student’s t –type of statistic for AR (1) random processes

Athanase Polymenis

Volume 2, Issue 4 , December 2021, , Pages 388-393


  Neutrosophic statistics are used when one is dealing with imprecise and indeterminate data or parameters. In the present paper we propose a method for performing a neutrosophic Student’s t –type of statistical test that concerns the population mean when data arise from an autoregressive process ...  Read More

Spherical fuzzy sets
Spherical fuzzy cross entropy for multiple attribute decision making problems

Princy Rayappan; Krishnaswamy Mohana

Volume 2, Issue 4 , December 2021, , Pages 355-363


  In this paper, we investigate the multiple attribute decision making problems with spherical fuzzy information. The advantage of spherical fuzzy set is easily reflecting the ambiguous nature of subjective judgments because the spherical fuzzy sets are suitable for capturing imprecise, uncertain and inconsistent ...  Read More

Soft sets and their variants
A survey on different definitions of soft points: limitations, comparisons and challenges

Mujahid Abbas; Yanhui Guo; Ghulam Murtaza

Volume 2, Issue 4 , December 2021, , Pages 334-343


  The aim of this paper is to investigate different definitions of soft points in the existing literature on soft set theory and its extensions in different directions. Then limitations of these definitions are illustrated with the help of examples. Moreover, the definition of soft point in the setup of ...  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

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

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

Articles in Press, Accepted Manuscript, Available Online from 09 July 2022


  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 study explored the basic fuzzy operations with the Gaussian Membership using the α-cut method. As it ...  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

Articles in Press, Accepted Manuscript, Available Online from 04 August 2022


  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 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

Articles in Press, Accepted Manuscript, Available Online from 09 August 2022


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

Research Paper Fuzzy multisets and their variants
Detection of counterfeit banknotes using Genetic Fuzzy System

Mahmut Dirik

Articles in Press, Accepted Manuscript, Available Online from 09 August 2022


  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 Fuzzy sets and their variants
Fuzzy Simple Linear Regression Using Gaussian membership functions Minimization problem

besma belhadj

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


  Under the additional assumption that the errors are normally distributed, the ordinary least squares method is the maximum likelihood estimator. In this paper, we propose, for a simple regression, an estimation method alternative to the ordinary least squares method based on a so-called Gaussian membership ...  Read More

Research Paper Hesitant fuzzy sets and their variants
Supply Chain Management Problem Modelling in Hesitant fuzzy environment

Madineh Farnam; Majid Darehmiraki

Articles in Press, Accepted Manuscript, Available Online from 26 August 2022


  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 ...  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

Research Paper Hypersoft sets and their variants
Soft Set Product extended to HyperSoft Set and IndetermSoft Set Product extended to IndetermHyperSoft Set

Florentin Smarandache

Articles in Press, Accepted Manuscript, Available Online from 24 September 2022


  In this paper we define the Soft Set Product as a product of many soft sets and afterwards by their intersection into a HyperSoft Set. Similarly, the IndetermSoft Product is extended be intersection to the IndetermHyperSoft Set. We also present several applications of the Soft Set Product to Fuzzy (and ...  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

Fuzzy sets and their variants
Application of fuzzy algebraic model to statistical analysis of neuro-psychopathology data

Semiu Ayinla Alayande; Ezekiel Akande; Amanze Egere

Volume 2, Issue 2 , June 2021, , Pages 156-162


  The purpose of this paper is to describe and present applications of fuzzy logic in analysis of certain neuro-psychopathological symptoms. These symptoms have been linked to conditions relating to occupational hazards. Our method of data analysis which is based on Hamacher operation on picture fuzzy ...  Read More

Fuzzy sets and their variants
Assessment and linear programming under fuzzy conditions

Michael Voskoglou

Volume 1, Issue 3 , September 2020, , Pages 189-205


  The present work focuses on two directions. First, a new fuzzy method using triangular / trapezoidal fuzzy numbers as tools is developed for evaluating a group’s mean performance, when qualitative grades instead of numerical scores are used for assessing its members’ individual performance. ...  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

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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