Proceedings of the American Mathematical Society

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



Hyperinvariant subspaces for approximately idempotent operators

Author: John Daughtry
Journal: Proc. Amer. Math. Soc. 48 (1975), 262-263
MathSciNet review: 0358389
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Abstract: Operators which are ``approximately idempotent'' have hyperinvariant subspaces.

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Keywords: Hyperinvariant subspace, pinched spectrum, quadratic operator equation, Kantorovich's theorem
Article copyright: © Copyright 1975 American Mathematical Society