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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Published:2023
Issue:1
Volume:173
Page:9-14
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ISSN:0010-1354
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Container-title:Colloquium Mathematicum
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language:en
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Short-container-title:Colloq. Math.
Publisher
Institute of Mathematics, Polish Academy of Sciences
Subject
General Mathematics