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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 su...

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Veröffentlicht in:	Доповіді НАН України
Datum:	2019
ISSN:	1025-6415
1. Verfasser:	Feshchenko, I.S.
Format:	Artikel
Sprache:	Englisch
Veröffentlicht:	Видавничий дім "Академперіодика" НАН України 2019
Schlagworte:	Математика
Online Zugang:	https://nasplib.isofts.kiev.ua/handle/123456789/150462
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!
Назва журналу:	Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:	A sufficient condition for the sum of complemented subspaces to be complemented / I.S. Feshchenko // Доповіді Національної академії наук України. — 2019. — № 1. — С. 10-15. — Бібліогр.: 13 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine

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