Best approximations in Hardy spaces on infinite-dimensional unitary matrix groups (Q1724608)
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scientific article; zbMATH DE number 7022780
| Language | Label | Description | Also known as |
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| English | Best approximations in Hardy spaces on infinite-dimensional unitary matrix groups |
scientific article; zbMATH DE number 7022780 |
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Best approximations in Hardy spaces on infinite-dimensional unitary matrix groups (English)
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14 February 2019
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Summary: We investigate the problem of best approximations in the Hardy space of complex functions, defined on the infinite-dimensional unitary matrix group. Applying an abstract Besov-type interpolation scale and the Bernstein-Jackson inequalities, a behavior of such approximations is described. An application to best approximations in symmetric Fock spaces is shown.
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