68 citations
8 papers
Survey of Various Fuzzy and Uncertain Decision-Making Methods
Takaaki Fujita, Florentin Smarandache
Decision-making in real applications is often affected by vagueness, incomplete information, heterogeneous data, and conflicting expert opinions. This survey reviews uncertainty-aw…
A Dynamic Survey of Fuzzy, Intuitionistic Fuzzy, Neutrosophic, Plithogenic, and Extensional Sets
Takaaki Fujita, Florentin Smarandache
Real-world phenomena often exhibit vagueness, partial truth, and incomplete information. To model such uncertainty in a mathematically rigorous way, many generalized set-theoretic…
Advancing Uncertain Combinatorics through Graphization, Hyperization, and Uncertainization: Fuzzy, Neutrosophic, Soft, Rough, and Beyond
Takaaki Fujita, Florentin Smarandache
Combinatorics studies how discrete objects can be counted, arranged, and combined under specified rules. Motivated by uncertainty in real-world data and decisions, modern set-theor…
Pura Vida Neutrosophic Algebra
Ranulfo Paiva Barbosa, Florentin Smarandache
We introduce Pura Vida Neutrosophic Algebra, an algebraic structure consisting of neutrosophic numbers equipped with two binary operations namely addition and multiplication. The a…
Multivariate ratio estimation with known population proportion of two auxiliary characters for finite population
Rajesh Singh, Sachin Malik, A. A. Adewara +1
In the present study, we propose estimators based on geometric and harmonic mean for estimating population mean using information on two auxiliary attributes in simple random sampl…
Basic Neutrosophic Algebraic Structures and their Application to Fuzzy and Neutrosophic Models
W. B. Vasantha Kandasamy, Florentin Smarandache
The involvement of uncertainty of varying degrees when the total of the membership degree exceeds one or less than one, then the newer mathematical paradigm shift, Fuzzy Theory pro…