Results 21 to 30 of about 610 (179)

Some New Structures in Neutrosophic Metric Spaces [PDF]

open access: yesNeutrosophic Sets and Systems, 2021
Neutrosophic sets deals with inconsistent, indeterminate and imprecise datas. The concept of Neutrosophic Metric Space (NMS) uses the idea of continuous t- norm and continuous t - conorm in intuitionistic fuzzy metric spaces.
M. Jeyaraman   +3 more
doaj   +1 more source

Plithogenic sets and their application in decision making [PDF]

open access: yesNeutrosophic Sets and Systems, 2020
There are various mathematical tools available to measure the level of accuracy such as Crisp, Fuzzy, Intuitionistic fuzzy sets and Neutosophic set. Further, Plithogenic set is a generalization of these four sets.
S.Gomathy   +3 more
doaj   +1 more source

A novel study of spherical fuzzy soft Dombi aggregation operators and their applications to multicriteria decision making

open access: yesHeliyon, 2023
In many decision-making situations, we are not restricted to two kinds of aspects, such as membership degree or nonmembership degree, and sometimes we need to include the abstinence degree (AD). However, many fuzzy set theories fail to cover issues, such
Xiaopeng Yang   +3 more
doaj   +1 more source

On sensible fuzzy ideals of BCK-algebras with respect to a t-conorm

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2006
We introduce the notion of sensible fuzzy ideals of BCK-algebras with respect to a t-conorm and investigate some of their properties. We give the conditions for a sensible fuzzy subalgebra with respect to a t-conorm to be a sensible fuzzy ideal with ...
M. Akram, Jianming Zhan
doaj   +1 more source

RETRACTED ARTICLE: Distance and similarity measures for (p, q)-fuzzy sets and their application in assessing common lung diseases

open access: yesSN Applied Sciences, 2023
This paper aims to develop distance and similarity measures for (p, q)-fuzzy sets from t-norms and t-conorms. It showcases a way to generate these measures from a given t-norm or a t-conorm operator. These newly developed distance and similarity measures
Aparna Sivadas, Sunil Jacob John
doaj   +1 more source

T-norms and t-conorms on a family of lattices

open access: yesFuzzy Sets and Systems, 2022
This paper provides a complete classification of all t-norms on a family of lattices in terms of t-norms on discrete chains. Moreover, the cardinal of some classes on discrete chains is computed. Therefore, the number of t-norms on the family of lattices is obtained. Also, new results involving Archimedean and divisible t-norms are presented.
openaire   +3 more sources

Complex interval-valued intuitionistic fuzzy decision support system with application to COVID-19 healthcare facilities

open access: yesComplex & Intelligent Systems, 2023
The complex interval-valued intuitionistic fuzzy set (CIIFS), as an extension of the complex intuitionistic fuzzy set (CIFS), is one of the better tools for dealing with time-periodic information in a single set of two-dimensional information.
Muhammad Sajjad Ali Khan   +4 more
doaj   +1 more source

Structures on Doubt Neutrosophic Ideals of BCK/BCI-Algebras under (S, T)-Norms [PDF]

open access: yesNeutrosophic Sets and Systems, 2020
Smarandache implemented the idea of neutrosophic set theory as a method for dealing undetermined data. Neutrosophic set theory is commonly used in various algebric structures, such as groups, rings and BCK/BCI-algebras.
Anas Al-Masarwah, Abd Ghafur Ahmad
doaj   +1 more source

On Some Functional Equations Related to Alpha Migrative t-conorms [PDF]

open access: yesAtlantis Studies in Uncertainty Modelling, 2021
In this contribution, we analyse in details the recently introduced definition of migrative tconorms [see Fuzzy implications: alpha migrativity and generalised laws of importation, M. Baczy´nski, B. Jayaram, R. Mesiar, 2020]. We also focus on some general functional equations, which might be obtained from such a notion.
Katarzyna Mis, Michal Baczynski 0001
openaire   +3 more sources

George-Veeramani Fuzzy Metrics Revised

open access: yesAxioms, 2018
In this note, we present an alternative approach to the concept of a fuzzy metric, calling it a revised fuzzy metric. In contrast to the traditional approach to the theory of fuzzy metric spaces which is based on the use of a t-norm, we proceed from a t ...
Alexander Šostak
doaj   +1 more source

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