Examples of unbounded imaginary powers of operators (Q1178611)
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scientific article; zbMATH DE number 21937
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Examples of unbounded imaginary powers of operators |
scientific article; zbMATH DE number 21937 |
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Examples of unbounded imaginary powers of operators (English)
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26 June 1992
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The authors give two examples. The first one consists of an operator of positive type in Hilbert space without bounded imaginary powers. The second one is concerned with the closedness of the sum of two closed operators in a Hilbert space.
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operator of positive type in Hilbert space without bounded imaginary powers
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closedness of the sum of two closed operators in a Hilbert space
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0.88600886
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0.86208594
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0.8590864
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0.85671693
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0.8553095
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