Approximate isometries of Hilbert spaces
Functional Analysis
2025-01-30 v1
Authors:
Peter Semrl
Abstract
We improve the Hyers-Ulam stability result for isometries of real Hilbert spaces by removing the surjectivity assumption.
Keywords
Cite
@article{arxiv.2501.17672,
title = {Approximate isometries of Hilbert spaces},
author = {Peter Semrl},
journal= {arXiv preprint arXiv:2501.17672},
year = {2025}
}
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