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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Invariant subspace of strictly singular operators
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by Ji Shou Ruan PDF
Proc. Amer. Math. Soc. 108 (1990), 931-936 Request permission

Abstract:

In this paper, we show that strictly singular operators are condensing maps. Moreover, we obtain a new result that every bounded linear operator $T$ on a Banach space that commutes with a nonzero strictly singular operator $S$ has a non-trivial invariant closed subspace.
References
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Additional Information
  • © Copyright 1990 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 108 (1990), 931-936
  • MSC: Primary 47A15; Secondary 47H09
  • DOI: https://doi.org/10.1090/S0002-9939-1990-1002160-4
  • MathSciNet review: 1002160