Work

Approximate isometries of Hilbert spaces

Year: 2025

Type: article

Abstract: We improve the Hyers–Ulam stability result for isometries of real Hilbert spaces by removing the surjectivity assumption.

Source: Proceedings of the American Mathematical Society

DOI: 10.1090/proc/17383

Author: Peter Šemrl

Institutions: University of Ljubljana, Institute of Mathematics, Physics, and Mechanics

Language: English

Topic: Functional Equations Stability Results

Subfield: Applied Mathematics

Field: Mathematics

Domain: Physical Sciences

Open Access status: green

Funder: Javna Agencija za Raziskovalno Dejavnost RS

Awards: Exactly solvable open many-body nonequilibrium systems, Algebra and its applications

OpenAlex ID: W4415483344

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Cites: 17

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