On strong unboundedness of symmetric operators (Q1076312)
From MaRDI portal
| This is the item page for this Wikibase entity, intended for internal use and editing purposes. Please use this page instead for the normal view: On strong unboundedness of symmetric operators |
scientific article; zbMATH DE number 3953623
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On strong unboundedness of symmetric operators |
scientific article; zbMATH DE number 3953623 |
Statements
On strong unboundedness of symmetric operators (English)
0 references
1986
0 references
Summary: It will be shown that for each positive odd integer n there is a symmetric operator \({\mathcal T}\) in a separable Hilbert space \({\mathcal H}\) sucht hat \({\mathcal T}\), \({\mathcal T}^ 3,...,{\mathfrak T}^ n\) are unbounded from below and \({\mathcal T}^ k\geq 0\) for \(k>n\).
0 references
symmetric operator
0 references
unbounded from below
0 references