Fuzzy Sets and Systems

Aims & Scope

Since its launching in 1978, the journal Fuzzy Sets and Systems has been devoted to the international advancement of the theory and application of fuzzy sets and systems.

The theory of fuzzy sets now encompasses a well organized corpus of basic notions including (and not restricted to) aggregation operations, a generalized theory of relations, specific measures of information content, a calculus of fuzzy numbers.

Fuzzy sets are also the cornerstone of a non-additive uncertainty theory, namely possibility theory, and of a versatile tool for both linguistic and numerical modeling: fuzzy rule-based systems.

Numerous works now combine fuzzy concepts with other scientific disciplines as well as modern technologies.

In mathematics fuzzy sets have triggered new research topics in connection with category theory, topology, algebra, analysis.

Fuzzy sets are also part of a recent trend in the study of generalized measures and integrals, and are combined with statistical methods.

Furthermore, fuzzy sets have strong logical underpinnings in the tradition of many-valued logics.

View Aims & Scope

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Metrics & Ranking

Impact Factor

Year	Value
2025	2.7

SJR (SCImago Journal Rank)

Year	Value
2024	0.754

Quartile

Year	Value
2024	Q1

h-index

Year	Value
2024	191

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Abstracting & Indexing

Journal is indexed in leading academic databases, ensuring global visibility and accessibility of our peer-reviewed research.

• Scopus
• Google Scholar
• Web of Science

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Subjects & Keywords

Journal’s research areas, covering key disciplines and specialized sub-topics in Computer Science and Mathematics, designed to support cutting-edge academic discovery.

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Most Cited Articles

The Most Cited Articles section features the journal's most impactful research, based on citation counts. These articles have been referenced frequently by other researchers, indicating their significant contribution to their respective fields.

• Intuitionistic fuzzy sets

  Citation: 12670

  Authors: Krassimir T.

• Fuzzy sets as a basis for a theory of possibility

  Citation: 7186

  Authors: L.A

• Extensions of the TOPSIS for group decision-making under fuzzy environment

  Citation: 2787

  Authors: Chen-Tung

• Fuzzy programming and linear programming with several objective functions

  Citation: 2709

  Authors: H.-J.

• Interval valued intuitionistic fuzzy sets

  Citation: 2576

  Authors: K., G.

• Fuzzy hierarchical analysis

  Citation: 2480

  Authors: J.J.

• Toward a theory of fuzzy information granulation and its centrality in human reasoning and fuzzy logic

  Citation: 2286

  Authors: Lotfi A.

• Structure identification of fuzzy model

  Citation: 2019

  Authors: M, G.T

• Stability analysis and design of fuzzy control systems

  Citation: 1942

  Authors: Kazuo, Michio

• A fuzzy extension of Saaty's priority theory

  Citation: 1910

  Authors: P.J.M., W.

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