Publication Activity of the University of Ostrava - Archive

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Recent Submissions

Article

Relation of Complete Correlation and Its Implication on Interval Operations

(2026) Števuliáková, Petra; Alijani, Zahra

This paper lays the groundwork for defining division and multiplication on fuzzy intervals under complete correlation. We introduce joint possibility distributions to model dependencies between fuzzy variables with complete correlation expressed via a linear relation. We then examine its impact on interval operations and the inverse property. Our results show that fuzzy arithmetic requires more nuanced approaches than simple point-wise interval analogies.

Article

Evaluation of Machine-Learning Models in Polymer Chemistry with Prediction of Not Reported Measurements

(2026) Singh, Shivani; Mondal, Sourov; Nieves, Juan Carlos; Torra, Vicenç

Article

Fuzzy transform for operational matrices in fractional equations

(2026) Pham, Thi Minh Tam; Perfilieva, Irina

Article

Verification of Validity of Logical Syllogisms with New Forms of Intermediate Quantifiers Based on Grades

(2026) Pavliska, Viktor; Murinová, Petra

In this contribution, we continue our investigation of fuzzy Peterson syllogisms. Whereas the previous study concentrated on validating these syllogisms through the construction of formal proofs and semantic verification, the present work focuses on assessing their validity using Peterson’s grade-based rules.

Article

Measuring the Temporal Stability of Fuzzy Linguistic Summaries about Time Series with Drifts

(2026) Ostrowski, Marcin; Kaczmarek-Majer, Katarzyna; Hryniewicz, Olgierd