A sufficient condition for the sum of complemented subspaces to be complemented
We provide a sufficient condition for the sum of a finite number of complemented subspaces of a Banach space to be complemented. Under this condition, the formula for a projection onto the sum is given. The condition is sharp (in a certain sense). As an application, we provide a sufficient conditio...
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| Hlavní autor: | |
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| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
Publishing House "Akademperiodyka"
2024-03-01
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| Edice: | Доповiдi Нацiональної академiї наук України |
| Témata: | |
| On-line přístup: | https://nasu-periodicals.org.ua/index.php/dp/article/view/350 |
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