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Symmetric and Isometric Relations

Hendrik Luit Wietsma ()
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Hendrik Luit Wietsma: Department of Mathematics, Stockholm University

Chapter 9 in Operator Theory, 2015, pp 165-182 from Springer

Abstract: Abstract Here the basic properties of two classes of (multi-valued) operators between Kreĭn spaces are presented: the symmetric and isometric relations. Both types of multi-valued operators (relations) naturally appear for instance when studying differential equation; for example Sturm–Liouville equations with an indefinite weight.

Keywords: Unitary Operator; Unitary Relation; Symmetric Operator; Selfadjoint Operator; Symmetric Relation (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-0348-0667-1_42

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DOI: 10.1007/978-3-0348-0667-1_42

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