Mathematical Physics
[Submitted on 19 Jun 2018 (v1), last revised 12 May 2019 (this version, v4)]
Title:Perturbation theory for selfadjoint relations
View PDFAbstract:We study Weyl-type perturbation theorems in the context of linear closed relations. We establish general results on perturbations for dissipative relations. In the particular case of selfadjoint relations, we study finite-rank perturbations and carry out a detailed analysis of the corresponding changes in the spectrum.
Submission history
From: Luis Octavio Silva Pereyra [view email][v1] Tue, 19 Jun 2018 23:37:41 UTC (15 KB)
[v2] Mon, 3 Sep 2018 01:02:44 UTC (15 KB)
[v3] Fri, 22 Mar 2019 00:36:58 UTC (16 KB)
[v4] Sun, 12 May 2019 10:25:45 UTC (17 KB)
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