Fuzzy sets and their variants
1. New View of Fuzzy Aggregations. Part II: Associated Probabilities in the POWA operator

Gia Sirbiladze

Articles in Press, Accepted Manuscript, Available Online from 27 March 2021

http://dx.doi.org/10.22105/jfea.2021.275094.1081

Abstract
  The Ordered Weighted Averaging (OWA) operator was introduced by R.R. Yager [58] to provide a method for aggregating inputs that lie between the max and min operators. In this article several variants of the generalizations of the fuzzy-probabilistic OWA operator - POWA (introduced by J.M. Merigo [27,28]) ...  Read More

Fuzzy sets and their variants
2. New View of Fuzzy Aggregations. Part III: Extensions of the FPOWA Operator in the Problem of Political Management

Gia Sirbiladze

Articles in Press, Accepted Manuscript, Available Online from 27 March 2021

http://dx.doi.org/10.22105/jfea.2021.275097.1082

Abstract
  The Ordered Weighted Averaging (OWA) operator was introduced by R.R. Yager [34] to provide a method for aggregating inputs that lie between the max and min operators. In this article we continue to present some extensions of OWA-type aggregation operators. Several variants of the generalizations of the ...  Read More

Fuzzy sets and their variants
3. A new algorithm for Fuzzy Transportation Problems with Trapezoidal fuzzy numbers under fuzzy circumstances

Ladji Kané; Moctar Diakité; Hawa Bado; Souleymane Kané; Konaté Moussa; Koura Traoré

Articles in Press, Accepted Manuscript, Available Online from 19 June 2021

http://dx.doi.org/10.22105/jfea.2021.287198.1148

Abstract
  Transportation problem is an important network structured linear programming problem that arises in several contexts and has deservedly received a great deal of attention in the literature. The central concept in this problem is to find the least total tra nsportation cost of a commodity in order to ...  Read More

Fuzzy sets and their variants
4. Ranking of different of investment risk in high-tech projects using TOPSIS method in fuzzy environment based on linguistic variables

Mohammad Ebrahim Sadeghi; Hamed Nozari; Hadi Khajezadeh Dezfoli; Mehdi Khajezadeh Dezfoli; Zhi Zhou

Articles in Press, Accepted Manuscript, Available Online from 22 August 2021

http://dx.doi.org/10.22105/jfea.2021.298002.1159

Abstract
  Examining the trend of the global economy shows that global trade is moving towards high-tech products. Given that these products generate very high added value, countries that can produce and export these products will have high growth in the industrial sector. The importance of investing in advanced ...  Read More

Fuzzy sets and their variants
5. A Novel Mathematical Approach for Fuzzy Multi-Period Multi-Objective Portfolio Optimization Problem under Uncertain Environment and Practical Constraints

Pejman Peykani; Mojtaba Nouri; Farzad Eshghi; Mohammad Khamechian; Hamed Farrokhi-Asl

Articles in Press, Accepted Manuscript, Available Online from 03 September 2021

http://dx.doi.org/10.22105/jfea.2021.287429.1150

Abstract
  Investment portfolio optimization (IPO) is one of the most important problems in the financial area. Also, one of the most important features of financial markets is their embedded uncertainty. Thus, it is essential to propose a novel IPO model that can be employed in the presence of uncertain data. ...  Read More

Fuzzy sets and their variants
6. A Decision-Making System for Corona Prognosis using Fuzzy Inference System

Shaveta Arora; Renu Vadhera; Bharti Chugh

Articles in Press, Accepted Manuscript, Available Online from 21 September 2021

http://dx.doi.org/10.22105/jfea.2021.296652.1158

Abstract
  COVID-19, an epidemic disease, has challenged human lives all over the world. Governments and scientific communities are trying their level best to help the masses. This disease which is caused by corona virus majorly attacks the upper respiratory system rendering the human immunity incapacitated and, ...  Read More

Fuzzy sets and their variants
7. Regular T_0 ‐type Separations in Fuzzy Topological Spaces in the Sense of Quasi‐coincidence

Gurusamy Saravanakumar; S. Tamilselvan; A. Vadivel

Volume 2, Issue 2 , Spring 2021, , Pages 120-129

http://dx.doi.org/10.22105/jfea.2021.275958.1085

Abstract
  In this paper, we introduce and study three notions of  property in fuzzy topological spaces using quasi-coincidence sense, and we relate to other such notions. Then, we show that all these notions satisfy good extension property. These concepts also satisfy hereditary, productive and projective ...  Read More

Fuzzy sets and their variants
8. New view of fuzzy aggregations. part I: general information structure for decision-making models

Gia Sirbiladze

Volume 2, Issue 2 , Spring 2021, , Pages 130-143

http://dx.doi.org/10.22105/jfea.2021.275084.1080

Abstract
  The Ordered Weighted Averaging (OWA) operator was introduced by Yager [57] to provide a method for aggregating inputs that lie between the max and min operators. In this article two variants of probabilistic extensions the OWA operator-POWA and FPOWA (introduced by Merigo [26] and [27]) are considered ...  Read More

Fuzzy sets and their variants
9. Well drilling fuzzy risk assessment using fuzzy FMEA and fuzzy TOPSIS

Mazdak Khodadadi-Karimvand; Hadi Shirouyehzad

Volume 2, Issue 2 , Spring 2021, , Pages 144-155

http://dx.doi.org/10.22105/jfea.2021.275955.1086

Abstract
  One of the most important issues that organizations have to deal with is the timely identification and detection of risk factors aimed at preventing incidents. Managers’ and engineers’ tendency towards minimizing risk factors in a service, process or design system has obliged them to analyze ...  Read More

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

Semiu Ayinla Alayande; Ezekiel Akande; Amanze Egere

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

http://dx.doi.org/10.22105/jfea.2021.279105.1089

Abstract
  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
11. Evaluation and selection of supplier in supply chain with fuzzy analytical network process approach

Mohammad Ghasempoor Anaraki; Dmitriy S. Vladislav; Mahdi Karbasian; Natalja Osintsev; Victoria Nozick

Volume 2, Issue 1 , Winter 2021, , Pages 69-88

http://dx.doi.org/10.22105/jfea.2021.274734.1078

Abstract
  One of the most important issues concerning the designing a supply chain is selecting the supplier. Selecting proper suppliers is one of the most crucial activities of an organization towards the gradual improvement and a promotion in performance. This intricacy is because suppliers fulfil a part of ...  Read More

Fuzzy sets and their variants
12. A simplified new approach for solving fully fuzzy transportation problems with involving triangular fuzzy numbers

Ladji Kane; Hamala Sidibe; Souleymane Kane; Hawa Bado; Moussa Konate; Daouda Diawara; Lassina Diabate

Volume 2, Issue 1 , Winter 2021, , Pages 89-105

http://dx.doi.org/10.22105/jfea.2021.275280.1084

Abstract
  Transportation Problem (TP) is an important network structured linear programming problem that arises in several contexts and has deservedly received a great deal of attention in the literature. The central concept in this problem is to find the least total transportation cost of a commodity in order ...  Read More

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

Eshetu Dadi Gurmu; Tagay Takele Fikadu

Volume 1, Issue 4 , Autumn 2020, , Pages 268-290

http://dx.doi.org/10.22105/jfea.2020.262326.1069

Abstract
  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

Fuzzy sets and their variants
14. An overview of data envelopment analysis models in fuzzy stochastic environments

Fatemeh Zahra Montazeri

Volume 1, Issue 4 , Autumn 2020, , Pages 291-297

http://dx.doi.org/10.22105/jfea.2020.258330.1030

Abstract
  One of the appropriate and efficient tools in the field of productivity measurement and evaluation is data envelopment analysis, which is used as a non-parametric method to calculate the efficiency of decision-making units. Today, the use of data envelopment analysis technique is expanding rapidly and ...  Read More

Fuzzy sets and their variants
15. An overview of portfolio optimization using fuzzy data envelopment analysis models

Mehrdad Rasoulzadeh; Mohammad Fallah

Volume 1, Issue 3 , Summer 2020, , Pages 187-197

http://dx.doi.org/10.22105/jfea.2020.255034.1027

Abstract
  A combination of projects, assets, programs, and other components put together in a set is called a portfolio. Arranging these components helps to facilitate the efficient management of the set and subsequently leads to achieving the strategic goals. Generally, the components of the portfolio are quantifiable ...  Read More

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

Michael Voskoglou

Volume 1, Issue 3 , Summer 2020, , Pages 198-216

http://dx.doi.org/10.22105/jfea.2020.253436.1024

Abstract
  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
17. Multi item inventory model include lead time with demand dependent production cost and set-up-cost in fuzzy environment

Satya Kumar Das

Volume 1, Issue 3 , Summer 2020, , Pages 241-258

http://dx.doi.org/10.22105/jfea.2020.254081.1025

Abstract
  In this paper, we have developed the multi-item inventory model in the fuzzy environment. Here we considered the demand rate is constant and production cost is dependent on the demand rate. Set-up- cost is dependent on average inventory level as well as demand. Lead time crashing cost is considered the ...  Read More

Fuzzy sets and their variants
18. Analyzing the barriers of organizational transformation by using fuzzy SWARA

Iman Ghasemian Sahebi; Alireza Arab; Seyed Pendar Toufighi

Volume 1, Issue 2 , Spring 2020, , Pages 88-103

http://dx.doi.org/10.22105/jfea.2020.249191.1010

Abstract
  The crucial role of bureaucracy in the economic, political, socio-cultural and political structures, and its impact in achieving the goals of organization is so important that in order to achieve the development, change directions consists of purifying and modernization of the administrative system in ...  Read More

Fuzzy sets and their variants
19. Prediction of Pakistan super league-2020 using TOPSIS and fuzzy TOPSIS methods

Muhammad Naveed Jafar; Faizullah Khan; Amir Naveed

Volume 1, Issue 2 , Spring 2020, , Pages 104-114

http://dx.doi.org/10.22105/jfea.2020.249363.1011

Abstract
  We lived in uncertain word and prediction in this uncertain word is a major issue. Prediction in cricket is very complex because there are many factors which are effecting on results. Weather, pitch, Conditions, Home grounds are some of these factors. In this article it is aimed to predict the results ...  Read More

Fuzzy sets and their variants
20. Application of fuzzy logic in portfolio management: evidence from Iranian researches

Meysam Kaviani; Seyed Fakhreddin Fakhrehosseini

Volume 1, Issue 2 , Spring 2020, , Pages 115-118

http://dx.doi.org/10.22105/jfea.2020.249372.1012

Abstract
  Over the past decades, financial researchers have proposed different methods in portfolio selection, so that, Markwotiz [1] introduced risk and return criteria for a portfolio selection. Since it is difficult how to select an adequate stock portfolio, fuzzy models have been able to help researchers by ...  Read More

Fuzzy sets and their variants
21. Computer and fuzzy theory application: review in home appliances

Tim Chen; Ilnar Karimov; Jcy Chen; Alexandv Constantinovitc

Volume 1, Issue 2 , Spring 2020, , Pages 142-147

http://dx.doi.org/10.22105/jfea.2020.251719.1019

Abstract
  Clays have a tendency to this article first introduces the basic concepts of fuzzy theory, including comparisons between fuzzy sets and traditional explicit sets, fuzzy sets basic operations such as the membership function of the set and the colloquial variable, the intersection and union of the fuzzy ...  Read More

Fuzzy sets and their variants
22. Precise services and supply chain prioritization in manufacturing companies using cost analysis provided in a fuzzy environment

Alireza Marzband

Volume 1, Issue 1 , Winter 2020, , Pages 41-56

http://dx.doi.org/10.22105/jfea.2020.248187.1006

Abstract
  In recent years, management and, consequently, supply chain performance measurement, has attracted the attention of a large number of managers and researchers in the field of production and operations management. In parallel with the evolution of organizations from a single approach to a network and ...  Read More

Fuzzy sets and their variants
23. Fuzzy logic in accounting and auditing

Mohsen Imeni

Volume 1, Issue 1 , Winter 2020, , Pages 66-72

http://dx.doi.org/10.22105/jfea.2020.246647.1002

Abstract
  Many areas of accounting have highly ambiguous due to undefined and inaccurate terms. Many ambiguities are generated by the human mind. In the field of accounting, these ambiguities lead to the creation of uncertain information. Many of the targets and concepts of accounting with binary classification ...  Read More