Paul Augustine Ejegwa
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View article: An Enhance Vehicle Selection Problem for an Effective Transportation System: A Logarithmic-Based Distance Measure Approaches via q-Rung Orthopair Fuzzy Information
An Enhance Vehicle Selection Problem for an Effective Transportation System: A Logarithmic-Based Distance Measure Approaches via q-Rung Orthopair Fuzzy Information Open
An effective transportation system is fundamental for socioeconomic development, public safety, and environmental sustainability. A critical component of such a system is the Vehicle Selection Problem (VSP), which is inherently a Complex D…
View article: A Decade of Picture Fuzzy Sets in Multi-Criteria Decision-Making: A Comprehensive Review of Trends, Gaps, and Future Directions
A Decade of Picture Fuzzy Sets in Multi-Criteria Decision-Making: A Comprehensive Review of Trends, Gaps, and Future Directions Open
Picture fuzzy sets (PFSs) are extensively utilized in medical diagnostics and multi-criteria decision-making (MCDM) due to their enhanced flexibility, distinguishing capability, and applicability in handling uncertainty and hesitation, par…
View article: On Jordan-Hölder Theorem under Intuitionistic Fuzzy Groups
On Jordan-Hölder Theorem under Intuitionistic Fuzzy Groups Open
The theory of intuitionistic fuzzy groups is an algebraic structure derivable from the utilization of groups in intuitionistic fuzzy sets. Many notions in group theory have been presented in intuitionistic fuzzy group theory. However, conc…
View article: Jordan-Hölder Theorem for Multigroups
Jordan-Hölder Theorem for Multigroups Open
Multigroup theory is the application of multisets to the theory of groups. Many group’s theoretic notions have been studied in multigroup theory, however, the ideas of maximal normal subgroup, simple group, normal series, composition serie…
View article: On intuitionistic fuzzy characteristic and Frattini subgroups
On intuitionistic fuzzy characteristic and Frattini subgroups Open
This paper presents intuitionistic fuzzy characteristic subgroups and discusses some of its properties. It is established that an intuitionistic fuzzy subgroup of an intuitionistic fuzzy group is characteristic provided its cuts are charac…
View article: Some New Techniques of Computing Correlation Coefficient between q-Rung Orthopair Fuzzy Sets and their Applications in Multi-Criteria Decision-Making
Some New Techniques of Computing Correlation Coefficient between q-Rung Orthopair Fuzzy Sets and their Applications in Multi-Criteria Decision-Making Open
The term q-rung orthopair fuzzy set is an essential variant of fuzzy set with the capacity of tackling fuzziness and imprecision in the decision-making process. A fundamental concept in the decision-making process is the idea of correlatio…
View article: New Fermatean Fuzzy Distance Metric and Its Utilization in the Assessment of Security Crises Using the MCDM Technique
New Fermatean Fuzzy Distance Metric and Its Utilization in the Assessment of Security Crises Using the MCDM Technique Open
The problem of insecurity is a global phenomenon that has several forms like terrorism, banditry, kidnappings, etc. Insecurity has taken hold in the Sub-Saharan Region of West Africa, especially in Nigeria, for over two decades. Nigeria’s …
View article: Meta-Analysis of Predictive Modelling Approaches and Systematic Reviews for Maternal Healthcare Outcomes
Meta-Analysis of Predictive Modelling Approaches and Systematic Reviews for Maternal Healthcare Outcomes Open
Enhancing parental care is of utmost importance in ensuring the well-being of pregnant women throughout theirpregnancy and childbirth journey. Although there have been significant advancements in this area, persistent challenges such as in…
View article: Determination of medical emergency via new intuitionistic fuzzy correlation measures based on Spearman's correlation coefficient
Determination of medical emergency via new intuitionistic fuzzy correlation measures based on Spearman's correlation coefficient Open
Uncertainty in medical diagnosis is the main challenge in medical emergencies (MEs) experienced by triage nurses and physicians in the emergency department (ED). The intuitionistic fuzzy correlation coefficient (IFCC) approach is used to a…
View article: A new similarity function for Pythagorean fuzzy sets with application in football analysis
A new similarity function for Pythagorean fuzzy sets with application in football analysis Open
The idea of Pythagorean fuzzy sets (PFSs) has been extensively applied in various decision-making scenarios. Many of the applications of PFSs were carried out based on similarity functions. Some methods of similarity functions for PFSs (SF…
View article: Pythagorean Fuzzy Partial Correlation Measure and Its Application
Pythagorean Fuzzy Partial Correlation Measure and Its Application Open
The process of computing correlation among attributes of an ordinary database is significant in the analysis and classification of a data set. Due to the uncertainties embedded in data classification, encapsulating correlation techniques u…
View article: A New Partial Correlation Coefficient Technique Based on Intuitionistic Fuzzy Information and Its Pattern Recognition Application
A New Partial Correlation Coefficient Technique Based on Intuitionistic Fuzzy Information and Its Pattern Recognition Application Open
Computation of correlation coefficient among attributes of ordinary database is important especially in the classification and analysis of data. Due to the hesitations in the process of data classification, the idea of intuitionistic fuzzy…
View article: Some Enhanced Distance Measuring Approaches Based on Pythagorean Fuzzy Information with Applications in Decision Making
Some Enhanced Distance Measuring Approaches Based on Pythagorean Fuzzy Information with Applications in Decision Making Open
The construct of Pythagorean fuzzy distance measure (PFDM) is a competent measuring tool to curb incomplete information often encountered in decision making. PFDM possesses a wider scope of applications than distance measure under intuitio…
View article: Fermatean fuzzy modified composite relation and its application in pattern recognition
Fermatean fuzzy modified composite relation and its application in pattern recognition Open
Fermatean Fuzzy Sets (FFSs) provide an effective way to handle uncertainty and vagueness by expanding the scope of membership and Non-Membership Degrees (NMDs) of Intuitionistic Fuzzy Set (IFS) and Pythagorean Fuzzy Set (PFS), respectively…
View article: Modified Szmidt and Kacprzyk’s Intuitionistic Fuzzy Distances and their Applications in Decision-making
Modified Szmidt and Kacprzyk’s Intuitionistic Fuzzy Distances and their Applications in Decision-making Open
Intuitionistic fuzzy models are significant in resolving decision-making. Distance measures under intuitionistic fuzzy environment are reliable techniques deployed to express the application of IFSs. Some approaches of estimating distances…
View article: Similarity-Distance Decision-Making Technique and its Applications via Intuitionistic Fuzzy Pairs
Similarity-Distance Decision-Making Technique and its Applications via Intuitionistic Fuzzy Pairs Open
The idea of intuitionistic fuzzy sets (IFSs) is a reasonable soft computing construct for resolving ambiguity and vagueness encountered in decision-making situations. Cases such as pattern recognition, diagnostic analysis, etc., have been …
View article: An Enhanced Fermatean Fuzzy Composition Relation Based on a Maximum‐Average Approach and Its Application in Diagnostic Analysis
An Enhanced Fermatean Fuzzy Composition Relation Based on a Maximum‐Average Approach and Its Application in Diagnostic Analysis Open
The idea of composition relations on Fermatean fuzzy sets based on the maximum‐extreme values approach has been investigated and applied in decision making problems. However, from the perspective of the measure of central tendency, this ap…
View article: Certain results on metric and norm in fuzzy multiset setting
Certain results on metric and norm in fuzzy multiset setting Open
Fuzzy multiset is an extension of fuzzy set in multiset framework. In this paper, we review the concept of fuzzy multisets and study the notions of metric and norm on fuzzy multiset. Some results on metric and norm are established in fuzzy…
View article: Students’ Admission Process based on a Novel Fermatean Fuzzy Distance Measure Algorithm
Students’ Admission Process based on a Novel Fermatean Fuzzy Distance Measure Algorithm Open
Fermatean fuzzy set is a competent tool in curbing indeterminacy embedded in soft computing. Fermatean fuzzy set generalizes both intuitionistic fuzzy sets and Pythagorean fuzzy sets in an effective way to handle imprecision by expanding t…
View article: On divisible and pure multigroups and their properties
On divisible and pure multigroups and their properties Open
The theory of multigroups is a generalized group’s theoretic notions in multiset framework. Although myriad of researches have been done in multigroup theory, but some group’s analogue concepts have not been investigated in multigroup sett…
View article: An improved correlation coefficient between intuitionistic fuzzy sets and its applications to real-life decision-making problems
An improved correlation coefficient between intuitionistic fuzzy sets and its applications to real-life decision-making problems Open
Correlation coefficient between intuitionistic fuzzy sets (CCIFSs) is a vital research area in intuitionistic fuzzy set theory and has great practical application in a variety of areas.Many methods of computing CCIFSs have been studied hit…
View article: Medical diagnostic analysis on some selected patients based on modified Thao et al.’s correlation coefficient of intuitionistic fuzzy sets via an algorithmic approach
Medical diagnostic analysis on some selected patients based on modified Thao et al.’s correlation coefficient of intuitionistic fuzzy sets via an algorithmic approach Open
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-w…
View article: On Commutators of Fuzzy Multigroups
On Commutators of Fuzzy Multigroups Open
Fuzzy multigroup is an application of fuzzy multiset to group theory. Although, a lots have been done on the theory of fuzzy multigroups, some group's theoretic notions could still be investigated in fuzzy multigroup context. Certainly, th…
View article: Concept of Anti Multigroups and its Properties
Concept of Anti Multigroups and its Properties Open
The concept of multigroups is an application of multiset to group theory. Multigroup is an algebraic structure of a multiset whose underlying set is a group. The objective of this paper is to introduce the concept of anti multigroups and d…
View article: Pythagorean fuzzy multiset and its application to course placements
Pythagorean fuzzy multiset and its application to course placements Open
The concept of fuzzy set theory is of paramount relevance to tackling the issues of uncertainties in real-life problems.In a quest to having a reasonable means of curbing imprecision, the idea of fuzzy sets had been generalized to intuitio…