| 2021 | Analysis of the Relation Among Global Stocks Using Fuzzy/Linguistic IF-THEN Rules. | Sina Mirshahi, Soheyla Mirshahi, Vilm Novk |
| 2021 | Possibilistic Granular Count: Derivation and Extension to Granular Sum. | Corrado Mencar |
| 2021 | Interpretable Monotonicities for Entropies of Intuitionistic Fuzzy Sets or Interval-valued Fuzzy Sets. | Christophe Marsala, Bernadette Bouchon-Meunier |
| 2021 | Interpolativity and Continuity of Similarity-Based Reasoning Fuzzy Inference. | Sayantan Mandal, Balasubramaniam Jayaram |
| 2021 | Approaching the Square of Oppositions in Terms of the | Nicols Madrid, Manuel Ojeda-Aciego |
| 2021 | A Fuzzy-based Approach for Energy Management of DHW Systems in Hotels. | M. Llano, R. Mesa-Cruz, A. Hamilton, J. Acosta, J. A. Mendez Perez |
| 2021 | Bidimensional Fuzzy Initial Value Problem of Autocorrelated Fuzzy Processes via Cross Product: The Prey-Predator Model. | Beatriz Laiate, Lacio C. Barros, Francielle Santo Pedro, Estevo Esmi |
| 2021 | How General Is Fuzzy Decision Making? | Olga Kosheleva, Vladik Kreinovich |
| 2021 | Aggregation Based on Outliers. | Anna Kolesrov, Radko Mesiar |
| 2021 | Classification Method of Image Feature Matching Using Naive Bayes Classifier. | Jin Yong Kim, Eun-Kyeong Kim, Baekcheon Kim, Daekeon Ha, Sungshin Kim |
| 2021 | Continuous OWA Operators. | Martin Kalina |
| 2021 | Monitoring Acoustic Data Streams Using Possibilistic Aggregation and Multi-label Learning. | Katarzyna Kaczmarek-Majer, Olgierd Hryniewicz, Dominika Kornobis, Anna Stachowiak |
| 2021 | Laplacian Singular Values. | Jir Janecek, Irina Perfilieva |
| 2021 | On a New Class of Trivariate Copulas. | C. Ignazzi, Fabrizio Durante |
| 2021 | Convexity of Interval-valued Fuzzy Sets Applied to Decision-Making Problems. | Pedro Huidobro, Pedro Alonso, Vladimr Janis, Susana Montes |
| 2021 | Applicability of Ordinal Sums of Conjunctive and Disjunctive Functions in Classification. | Miroslav Hudec, Radko Mesiar, Erika Minrikov |
| 2021 | Fuzzy Clustering-based Switching Non-negative Matrix Factorization and Its Application to Environmental Data Analysis. | Katsuhiro Honda, T. Furukawa, Seiki Ubukata, Akira Notsu |
| 2021 | A Sentiment-Based Author Verification Model Against Social Media Fraud. | Khodor Hammoud, Salima Benbernou, Mourad Ouziri |
| 2021 | Orders from Uninorms on Bounded Lattices: Some Perspectives. | Vikash Kumar Gupta, Balasubramaniam Jayaram |
| 2021 | Fuzzy Relations and Monometrics: Some Correspondences. | Megha Gupta, Balasubramaniam Jayaram |
| 2021 | Epistemic Bootstrap for Fuzzy Data. | Przemyslaw Grzegorzewski, Maciej Romaniuk |
| 2021 | In Search of a Precise Estimator Based on Imprecise Data. | Przemyslaw Grzegorzewski, Joanna Golawska |
| 2021 | Fuzzy Metrics for Solving MODM Problems. | Olga Grigorenko |
| 2021 | Empirical Monotonicity of Non-deterministic Computable Aggregations. | Luis Garmendia, Daniel Gmez, Luis Magdalena, Javier Montero |
| 2021 | An Ordered Weighted Averaging Operator Based on Extreme Values Reductions. | Diego Garca-Zamora, lvaro Labella, Rosa M. Rodrguez, Luis Martnez |