SOLVING COMMON FIXED POINT PROBLEMS WITH SUMMABLE ERRORS

Simeon Reich^†, Alexander J. Zaslavski^‡

Abstract: We study iterative methods for solving common fixed point problems in the presence of summable computational errors.

Keywords: approximate fixed point, infinite product, metric space, nonexpansive mapping.

MSC: 47H09, 47H10, 54E50.

DOI 10.56082/annalsarscimath.2026.2.215

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^†sreich@technion.ac.il, Department of Mathematics, The Technion– Israel Institute of Technology, 32000 Haifa, Israel
^‡ajzasl@technion.ac.il, Department of Mathematics, The Technion– Israel Institute of Technology, 32000 Haifa, Israel

PUBLISHED in

Annals Academy of Romanian Scientists Series on Mathematics and Its Application,

Volume 18 no 2, 2026

ISSN ONLINE 2066 – 6594
ISSN PRINT 2066 – 5997