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https://hdl.handle.net/2445/217653| Title: | Questions about extreme points |
| Author: | Dyakonov, Konstantin M. |
| Keywords: | Anàlisi harmònica Funcions analítiques Funcions de variables complexes Espais de Hardy Harmonic analysis Analytic functions Functions of complex variables Hardy spaces |
| Issue Date: | 2-May-2023 |
| Publisher: | Springer Verlag |
| Abstract: | We discuss the geometry of the unit ball —specifically, the structure of its extreme points (if any)— in subspaces of $L^{1}$ and $L^{\infty}$ on the circle that are formed by functions with prescribed spectral gaps. A similar issue is considered for kernels of Toeplitz operators in $H^{\infty}$. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1007/s00020-023-02733-8 |
| It is part of: | Integral Equations and Operator Theory, 2023, vol. 95, num.2 |
| URI: | https://hdl.handle.net/2445/217653 |
| Related resource: | https://doi.org/10.1007/s00020-023-02733-8 |
| ISSN: | 0378-620X |
| Appears in Collections: | Articles publicats en revistes (Matemàtiques i Informàtica) |
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