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Ekeland’s variational principle for interval-valued functions with an α-level set in Kaleva-Seikkala’s type fuzzy metric spaces

open access: yesDemonstratio Mathematica
In this paper, we establish a new version of Ekeland’s variational principle in the setting of Kaleva-Seikkala’s type fuzzy metric spaces, where the objective function is an interval-valued function defined on a fuzzy metric space, and the perturbation ...
Liu Xuan, He Fei, Lu Ning
doaj   +1 more source

On the Search for a Measure to Compare Interval-Valued Fuzzy Sets [PDF]

open access: gold, 2021
Susana Díaz   +3 more
openalex   +1 more source

Measures of embedding for interval-valued fuzzy sets

open access: hybrid, 2023
Agustina Bouchet   +5 more
openalex   +1 more source

Optimization of the Time-Dependent Traveling Salesman Problem Using Interval-Valued Intuitionistic Fuzzy Sets [PDF]

open access: gold, 2020
Ruba Almahasneh   +3 more
openalex   +1 more source

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