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

https://doi.org/10.22105/jfea.2022.352027.1225

Abstract
  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

Pythagorean fuzzy sets and their variants
Interval valued Pythagorean fuzzy ideals in semigroups

Veerappan Chinnadurai; Arul Selvam

Volume 1, Issue 4 , December 2020, , Pages 293-303

https://doi.org/10.22105/jfea.2020.252687.1023

Abstract
  In this paper, we define the new notion of interval-valued Pythagorean fuzzy ideals in semigroups and established the properties of its with suitable examples. Also, we introduce the concept of interval valued Pythagorean fuzzy sub-semigroup, interval valued Pythagorean fuzzy left (resp. right) ideal, ...  Read More

Pythagorean fuzzy sets and their variants
Pythagorean fuzzy weak bi-ideals of Γ- near ring

J Marynirmala; D. Sivakumar

Volume 2, Issue 3 , September 2021, , Pages 297-320

https://doi.org/10.22105/jfea.2021.300356.1160

Abstract
  We present the notion of Pythagorean Fuzzy Weak Bi-Ideals (PFWBI) and interval valued Pythagorean fuzzy weak bi-ideals of Γ-near-rings and studies some of its properties. We present the notion of interval valued Pythagorean fuzzy weak bi-ideal and establish some of its properties. We study interval ...  Read More

Intuitionistic fuzzy sets and their variants
Applications of intuitionistic fuzzy sets to assessment and multi-criteria decision making

Michael Voskoglou; Said Broumi

Volume 4, Issue 4 , October 2023, , Pages 299-309

https://doi.org/10.22105/jfea.2023.425520.1326

Abstract
  The Intuitionistic Fuzzy Sets (IFSs) are generalizations of Zadeh’s fuzzy sets, in which the elements of the universe have apart from Zadeh’s membership and the degree of non-membership in [0, 1]. This paper studies applications of intuitionistic Fuzzy Sets (FS) to assessment and multi-criteria ...  Read More

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

Mahmut Dirik

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

https://doi.org/10.22105/jfea.2022.345344.1223

Abstract
  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

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

https://doi.org/10.22105/jfea.2020.262002.1068

Abstract
  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

Neutrosophic sets and their variants
VIKOR method for decision-making problems based on Q-single-valued neutrosophic sets: law application

Vakkas Uluçay; Necmiye Merve Şahin; Nisa İrem Toz; Enver Bozkurt

Volume 4, Issue 4 , October 2023, , Pages 310-326

https://doi.org/10.22105/jfea.2023.426042.1331

Abstract
  Different frameworks can be chosen to solve Multi-Criteria Decision-Making (MCDM) problems emerging in business, cyber environment, economy, health care, engineering and other areas. Uncertainty, vagueness and non-rigid boundaries of the initial information are frequently noticed when dealing with the ...  Read More

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

https://doi.org/10.22105/jfea.2022.363269.1232

Abstract
  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

Spherical fuzzy sets
Spherical interval-valued fuzzy bi-ideals of gamma near-rings

Chinnadurai Veerappan; Shakila Venkatesan

Volume 1, Issue 4 , December 2020, , Pages 314-324

https://doi.org/10.22105/jfea.2020.259268.1040

Abstract
  In this paper we introduce the concept of the spherical interval-valued fuzzy bi-ideal of gamma near-ring R and its some results. The union and intersection of the spherical interval-valued fuzzy bi-ideal of gamma near-ring R is also a spherical interval-valued fuzzy bi-ideal of gamma near-ring R . Further ...  Read More

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

https://doi.org/10.22105/jfea.2022.337573.1216

Abstract
  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

Neutrosophic sets and their variants
K-algebras on quadripartitioned single valued neutrosophic sets

Mohanasundari Mohan; Mohana Krishnaswamy

Volume 1, Issue 4 , December 2020, , Pages 325-339

https://doi.org/10.22105/jfea.2020.254945.1026

Abstract
  Abstract Quadripartitioned single valued neutrosophic (QSVN) set is a powerful structure where we have four components Truth-T, Falsity-F, Unknown-U and Contradiction-C. And also it generalizes the concept of fuzzy, initutionstic and single valued neutrosophic set. In this paper we have proposed the ...  Read More

Fuzzy sets and their variants
On solving linear fractional programming transportation problems with fuzzy numbers

Abouzar Sheikhi; Mohammad Javad Ebadi

Volume 4, Issue 4 , October 2023, , Pages 327-339

https://doi.org/10.22105/jfea.2024.402392.1294

Abstract
  In this paper, we present a novel method for solving Fractional Transportation Problems (FTPs) with fuzzy numbers using a ranking function. The proposed method introduces a transformation technique that converts an FTP with fuzzy numbers into an FTP with crisp numbers by employing the robust ranking ...  Read More

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

https://doi.org/10.22105/jfea.2022.339888.1218

Abstract
  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

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

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

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

https://doi.org/10.22105/jfea.2022.341302.1219

Abstract
  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

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 25 December 2023

https://doi.org/10.22105/jfea.2022.364946.1233

Abstract
  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 ...  Read More

Neutrosophic sets and their variants
Novel Security Systems Based On 2-Cyclic Refined Neutrosophic Integers

Mohamed Bisher Zeina; mohammad abobala

Articles in Press, Accepted Manuscript, Available Online from 27 January 2024

https://doi.org/10.22105/jfea.2024.423818.1321

Abstract
  Integers play a basic role in the structures of asymmetric crypto-algorithms. Many famous public key crypto-schemes use the basics of number theory for sharing keys and for the decryption and encryption of messages and multimedia. As a novel trend in the world of cryptography, non-classical integer systems ...  Read More

Picture fuzzy sets and their variants
Vulnerability parameters in picture fuzzy soft graphs and their applications to locate a diagnosis centre in cities

R. V Jaikumar; R. Sundareswaran; M Shanmugapriya; Said Broumi; Talal Ali Al-Hawary

Articles in Press, Accepted Manuscript, Available Online from 02 February 2024

https://doi.org/10.22105/jfea.2024.428227.1336

Abstract
  The notion of fuzzy graphs (FGs) and intuitionistic fuzzy graphs (IFGs) is generalized in the picture fuzzy graph (PFG), which is a more common platform for expressing the degree of positive, negative, and neutral membership function. Picture fuzzy soft graphs (PFSGs) are powerful mathematical tools ...  Read More

Fuzzy sets and their variants
Theoretical Approaches of Interval-Valued Fuzzy Code and Fuzzy Soft Code

Masresha Wassie Woldie

Articles in Press, Accepted Manuscript, Available Online from 06 February 2024

https://doi.org/10.22105/jfea.2024.424633.1328

Abstract
  In this study, we attempted to demonstrate the interval-valued fuzzy code by extending the concept of an interval-valued fuzzy set. Further, we discussed the operations of the interval-valued fuzzy code. The interval-valued fuzzy soft code is introduced, and various related properties are investigated ...  Read More

Fermatean fuzzy sets and their variants
Profitable Portfolio Using Fermatean Fuzzy Numbers

Amal Kumar Adak; Manish Kumar Gunjan

Articles in Press, Accepted Manuscript, Available Online from 08 February 2024

https://doi.org/10.22105/jfea.2024.428028.1338

Abstract
  Stock portfolio problems are one of the most relevant real world problems. In this study, we discuss on portfolio in which risk amount, rate of risk return and expected return rate under Fermatean fuzzy environment. Linear programming problem is used to formulate fermatean fuzzy portfolio. Using the ...  Read More

Fuzzy sets and their variants
Trusted fuzzy routing scheme in Flying Ad-hoc Network

Sahabul Alam; Joydeep Kundu; Shivnath Ghosh; Arindam Dey

Articles in Press, Accepted Manuscript, Available Online from 12 February 2024

https://doi.org/10.22105/jfea.2024.436052.1370

Abstract
  Unmanned aerial vehicles (UAVs) bring both potential and difficulties for emergency applications, including packet loss and changes in network topology. UAVs are also quickly taking up a sizable portion of the airspace, allowing Flying Ad Hoc Networks (FANETs) to conduct effective ad hoc missions. Therefore, ...  Read More

Pythagorean fuzzy sets and their variants
Decomposition of a Pythagorean fuzzy topological space and its application in determining topological relations between indeterminate spatial objects

SUBHANKAR JANA; Anjali Patel; Juthika Mahanta

Articles in Press, Accepted Manuscript, Available Online from 09 March 2024

https://doi.org/10.22105/jfea.2024.426562.1342

Abstract
  The fuzzy set is generally used to identify the topological relationship between two vague spatial objects. Indeterminacy can arise at any point in the modelling process, and the fuzzy model is unable to deal with this. Given that the Pythagorean fuzzy is better equipped to deal with such indeterminacies ...  Read More

Neutrosophic sets and their variants
A Study on Neutrosophic Soft set and Neutrosophic hypersoft set

Rajeshwari S; Hema R; Florentin Smarandache

Articles in Press, Accepted Manuscript, Available Online from 18 March 2024

https://doi.org/10.22105/jfea.2024.422349.1316

Abstract
  This paper is mainly intended to verify whether the basic laws of set theory are applicable in the Neutrosophic soft set. The laws that have been examined in this paper for NSS include Commutative law, Associative law, Distributive law, Involution law, Idempotent law, Negation law (law of contradiction ...  Read More

Fuzzy sets and their variants
Fuzzy Filtering of Sensors Signals in Railway Transport Systems

MHALLA ANIS

Articles in Press, Accepted Manuscript, Available Online from 24 March 2024

https://doi.org/10.22105/jfea.2024.431394.1347

Abstract
  The scope of the presented work is devoted to the monitoring of transport railway networks. These systems have robustness to temporal perturbations. The major paper's contribution is a fuzzy filtering of sensor signals incorporating robustness parameters. This novel concept combines a conventional ...  Read More

Other
On The Foundations of Weak Fuzzy Complex-Real Functions

Lama Razouk

Articles in Press, Accepted Manuscript, Available Online from 24 March 2024

https://doi.org/10.22105/jfea.2024.435955.1369

Abstract
  The objective of this paper is to create a strong background of many algebraic structures dealing with Weak Fuzzy Complex elements. So that, we build a special transformation function that has an important role in working with variables from a Real number set instead of a Weak Fuzzy Complex set. We study ...  Read More

Neutrosophic sets and their variants
Computation of Separate Ratio and Regression Estimator Under Neutrosophic Stratified Sampling: An Application to Climate Data

Abhishek Singh; Hemant Kulkarni; Florentin Smarandache; Gajendra K. Vishwakarma

Articles in Press, Accepted Manuscript, Available Online from 28 March 2024

https://doi.org/10.22105/jfea.2024.422211.1313

Abstract
  In this article, we introduce a novel approach by presenting separate ratio and regression estimators in the context of neutrosophic stratified sampling for the very first time, incorporating auxiliary variables. We have conducted a thorough analysis to estimate these newly proposed estimators' ...  Read More