Entropy on Intuitionistic Fuzzy Sets and Hesitant Fuzzy Sets by Bicheng Yu, Xuejun Zhao, Mingfa Zheng, Xiujiu Yuan, Bei Hou

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Dual Hesitant Fuzzy Sets by Bin Zhu, Zeshui Xu, Meimei Xia

“…In recent decades, several types of sets, such as fuzzy sets, interval-valued fuzzy sets, intuitionistic fuzzy sets, interval-valued intuitionistic fuzzy sets, type 2 fuzzy sets, type 𝑛 fuzzy sets, and hesitant fuzzy sets, have been introduced and investigated widely. …”
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Gradual Sets: An Approach to Fuzzy Sets by Josefa M. García, Pascual Jara

“…The main result of this paper is to identify the class of fuzzy sets, respectively, fuzzy groups, with subcategories of the functorial categories Set (0, 1], resp., Gr (0, 1]. …”
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Implementation of Steiner Point of Fuzzy Set by Jiuzhen Liang, Dejiang Wang

“…This paper deals with the implementation of Steiner point of fuzzy set. Some definitions and properties of Steiner point are investigated and extended to fuzzy set. …”
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Structure of Intuitionistic Fuzzy Sets in Γ-Semihyperrings by Bayram Ali Ersoy, Bijan Davvaz

“…As we know, intuitionistic fuzzy sets are extensions of the standard fuzzy sets. …”
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Linguistic Intuitionistic Fuzzy Sets and Application in MAGDM by Huimin Zhang

“…To better deal with imprecise and uncertain information in decision making, the definition of linguistic intuitionistic fuzzy sets (LIFSs) is introduced, which is characterized by a linguistic membership degree and a linguistic nonmembership degree, respectively. …”
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Correlation Measures of Dual Hesitant Fuzzy Sets by Lei Wang, Mingfang Ni, Lei Zhu

“…The dual hesitant fuzzy sets (DHFSs) were proposed by Zhu et al. (2012), which encompass fuzzy sets, intuitionistic fuzzy sets, hesitant fuzzy sets, and fuzzy multisets as special cases. …”
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A Criterion for the Fuzzy Set Estimation of the Regression Function by Jesús A. Fajardo

“…We propose a criterion to estimate the regression function by means of a nonparametric and fuzzy set estimator of the Nadaraya-Watson type, for independent pairs of data, obtaining a reduction of the integrated mean square error of the fuzzy set estimator regarding the integrated mean square error of the classic kernel estimators. …”
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Retracted: Evidence Theory in Picture Fuzzy Set Environment by Journal of Mathematics

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On Maximal and Minimal Fuzzy Sets in I-Topological Spaces by Samer Al Ghour

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Novel Pythagorean fuzzy score function to optimize fuzzy transportation models by Ritu, Tarun Kumar, Jahnvi, Kapil Kumar, Nitesh Dhiman, M.K. Sharma

Subjects: “…Intuitionistic fuzzy set…”
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Sparse Graph Embedding Based on the Fuzzy Set for Image Classification by Minghua Wan, Mengting Ge, Tianming Zhan, Zhangjing Yang, Hao Zheng, Guowei Yang

“…In recent years, many face image feature extraction and dimensional reduction algorithms have been proposed for linear and nonlinear data, such as local-based graph embedding algorithms or fuzzy set algorithms. However, the aforementioned algorithms are not very effective for face images because they are always affected by overlaps (outliers) and sparsity points in the database. …”
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Multivariate Extension Principle and Algebraic Operations of Intuitionistic Fuzzy Sets by Yonghong Shen, Wei Chen

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Fuzzy Set Theoretic Approach to Generalized Ideals in BCK/BCI-Algebras by G. Muhiuddin, N. Alam, S. Obeidat, N. M. Khan, H. N. Zaidi, S. A. K. Kirmani, A. Altaleb, J. M. Aqib

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Applications of nth Power Root Fuzzy Sets in Multicriteria Decision Making by Hariwan Z. Ibrahim, Tareq M. Al-Shami, Abdelwaheb Mhemdi

“…An nth power root fuzzy set is a useful extension of a fuzzy set for expressing uncertain data. …”
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Numerical Simulation of Dynamic Characteristics of Dam Concrete Based on Fuzzy Set by Fang Jianyin, Liu Ke, Dang Faning, Li Shutian

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Three-Dimensional Expansion and Graphical Concept of Generalized Triangular Fuzzy Set by Yong Sik Yun

“…We have studied the extended algebraic operations between two fuzzy numbers and calculated Zadeh’s max-min composition operator for two generalized triangular fuzzy sets in ℝ2. And we generalized the triangular fuzzy numbers from ℝ2 to ℝ3. …”
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Using the Degree r∈[0,1] in Defining Rough Fuzzy Sets by S. H. Alsulami, S. E. Abbas, S. Saleh, Ismail Ibedou

“…This paper introduced a new definition of rough fuzzy sets based on a fuzzy ideal l defined on a fuzzy approximation space X,R. …”
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A Hesitant Fuzzy Set Approach to Ideal Theory in Γ-Semigroups by Mohammad Y. Abbasi, Aakif F. Talee, Sabahat A. Khan, Kostaq Hila

“…We apply the hesitant fuzzy sets theory to Γ-semigroups and provide some characterizations of hesitant fuzzy left (right and bi-) ideals. …”
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Analysis of Sustainable Development in Local Spaces: The Application of the Theory of Fuzzy Sets by Maria Luisa García Batiz, Lucio Flores Payan, Betriz Adriana Venegas Sahagún

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