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JOURNALS // Problemy Analiza — Issues of Analysis // Archive

Probl. Anal. Issues Anal., 2023 Volume 12(30), Issue 2, Pages 51–67 (Mi pa375)

On $\mathcal{i}_{2}$ and $\mathcal{i}_{2}^{\ast}$-convergence in almost surely of complex uncertain double sequences

Ö. Kişia, M. Gürdalb

a Bartın University, Department of Mathematics, 74100, Bartın, Turkey
b Süleyman Demirel University, Department of Mathematics, 32260, Isparta, Turkey

Abstract: In this study, we investigate the notions of $\mathcal{I}_{2}$-convergence almost surely (a.s.) and $\mathcal{I}_{2}^{\ast }$-convergence a.s. of complex uncertain double sequences in an uncertainty space, and obtain some of their features and identify the relationships between them. In addition, we put forward the concepts of $\mathcal{I}_{2}$ and $\mathcal{I} _{2}^{\ast }$-Cauchy sequence a.s. of complex uncertain double sequences and investigate their relationships.

Keywords: uncertainty theory, complex uncertain variable, $\mathcal{I}_{2}$-convergence, $\mathcal{I}_{2}^{\ast}$-convergence.

UDC: 517.98, 515.124

MSC: 40A05, 40A35, 40G15, 60B10

Received: 12.11.2022
Revised: 23.03.2023
Accepted: 23.02.2023

Language: English

DOI: 10.15393/j3.art.2023.12630



© Steklov Math. Inst. of RAS, 2024