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Title

Functions of operators and their commutators in perturbation theory

Authors 1

Affiliations

  1. Department of Mathematics, Electrotechnical Institute of Communication, Nab. r., Moĭki 61, 191065 St. Petersburg, Russia

Abstract

This paper shows some directions of perturbation theory for Lipschitz functions of selfadjoint and normal operators, without giving precise proofs. Some of the ideas discussed are explained informally or for the finite-dimensional case. Several unsolved problems are mentioned.

Bibliography

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Banach Center Publications
1994/30/1
Export to PBN, Opens in new tab
Pages:
147-159
Main language of publication
English
Published
1994
Exact and natural sciences