When is the sum of complemented subspaces complemented?

DOI10.4064/SM8650-3-2019zbMath1459.46009arXiv1606.08048OpenAlexW3003146193WikidataQ126303322 ScholiaQ126303322MaRDI QIDQ5220142

Ivan S. Feshchenko

Publication date: 10 March 2020

Published in: Studia Mathematica (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1606.08048

zbMATH Keywords

projectioncomplemented subspacesum of subspacesclosed subspacemarginal subspace

Mathematics Subject Classification ID

Isomorphic theory (including renorming) of Banach spaces (46B03)

Related Items (1)

On the closedness of the sum of subspaces of the space $B(H,Y)$ consisting of operators whose kernels contain given subspaces of $H$

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