Some remarks on the invariant subspace problem for hyponormal operators

Vasile Lauric

International Journal of Mathematics and Mathematical Sciences, 2001, vol. 28, 1-7

Abstract:

We make some remarks concerning the invariant subspace problem for hyponormal operators. In particular, we bring together various hypotheses that must hold for a hyponormal operator without nontrivial invariant subspaces, and we discuss the existence of such operators.

Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:295476

DOI: 10.1155/S0161171201011966

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