Results 31 to 40 of about 103,218 (317)

Fuzzy sets and (fuzzy) random sets in Econometrics and Statistics

open access: yesEconometrics and Statistics, 2023
The research in the present manuscript has been partially supported by the Spanish Government through MINECO-18-MTM2017-89632-P Grant. Their finantial support is greatfully acknowledged.
Ana Colubi, Ana Belén Ramos-Guajardo
openaire   +2 more sources

Evaluating investments in advanced manufacturing technology: A fuzzy set theory approach [PDF]

open access: yes, 2001
In this paper, a model for the evaluation of investments in advanced manufacturing technology is developed. Many authors have called for an integration of financial and non-financial factors in such evaluations and this paper demonstrates that it is ...
Dugdale, D, Abdel-Kader, MG
core   +1 more source

Fundamental properties of fuzzy rough sets based on triangular norms and fuzzy implications: the properties characterized by fuzzy neighborhood and fuzzy topology

open access: yesComplex & Intelligent Systems, 2023
Fuzzy rough set models are useful tools for dealing with fuzzy and real-valued data. They have been used in many real-world applications. In this paper, we investigate the fuzzy rough set model based on triangular norms and fuzzy implications.
Zhaohao Wang
doaj   +1 more source

An innovative approach to passport quality assessment based on the possibility q-rung ortho-pair fuzzy hypersoft set

open access: yesHeliyon, 2023
This research article aims to evaluate the quality of passports issued by different countries. Passport quality assessment is critical in ensuring secure and efficient international travel.
Muhammad Saeed   +4 more
doaj   +1 more source

Waste to Energy Treatment for India Using CRITIC-WASPAS Method under Interval-Valued Pythagorean Neutrosophic Fuzzy Set [PDF]

open access: yesNeutrosophic Sets and Systems, 2023
Municipal solid waste management (MSWM) has emerged as a major issue in India due to the massive amounts of waste generated on a daily basis. Governments are focusing on establishing a proper waste management system, including a timeline for the ...
R. Narmada Devi   +3 more
doaj   +1 more source

Suatu Kasus Dispensable Set pada Fuzzy N-Soft Set

open access: yesJurnal Matematika Integratif, 2022
Konsep tentang fuzzy N-soft set (FNSS) merupakan gabungan dari konsep fuzzy set dengan N-soft set untuk menyelesaikan suatu permasalahan dalam proses pengam- bilan keputusan.
Athia Nurindah Sari   +2 more
doaj   +1 more source

Type-1 Fuzzy Sets and Intuitionistic Fuzzy Sets [PDF]

open access: yesAlgorithms, 2017
A comparison between type-1 fuzzy sets (T1FSs) and intuitionistic fuzzy sets (IFSs) is made. The operators defined over IFSs that do not have analogues in T1FSs are shown, and such analogues are introduced whenever possible.
openaire   +2 more sources

Gradual Sets: An Approach to Fuzzy Sets

open access: yesAdvances in Fuzzy Systems, 2023
In the fuzzy theory of sets and groups, the use of α-levels is a standard to translate problems from the fuzzy to the crisp framework. Using strong α-levels, it is possible to establish a one to one correspondence which makes possible doubly, a gradual and a functorial treatment of the fuzzy theory.
Josefa M. García, Pascual Jara
openaire   +5 more sources

Fuzzy Sets

open access: yesInformation and Control, 1965
A fuzzy set is a ``set'' of elements with a continuum of ``grades of membership''. The rigorous definition is: let \(X\) be a set of objects (elements); a fuzzy set \(A\) in \(X\) is defined by a ``membership (characteristic) function'' \(f_A\), which associates with each element \(x\in X\) a real number \(f_A(x)\in [0,1]\).
openaire   +2 more sources

A Fuzzy Set Approach to Poverty Measurement [PDF]

open access: yes, 2006
This paper postulates two poverty indices based on a fuzzyfication of the poverty line approach and shows that they satisfy some of the usual axioms in the poverty line literature.
Contiggiani, Federico Eduardo   +1 more
core   +1 more source

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