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arXiv:2008.12877 [math.FA]AbstractReferencesReviewsResources

Completion by perturbations

Victor Olevskii

Published 2020-08-28Version 1

We prove that any non-complete orthonormal system in a Hilbert space can be transformed into a basis by small perturbations.

Categories: math.FA, math.CA
Subjects: 46B15, 42C30, 15B10
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