Abstract
In this paper we show that p-hyponormal operators with 0 ∉ σ(|T|r1/2) are subscalar. As a corollary, we get that such operators with rich spectra have non-trivial invariant subspaces.
Original language | English |
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Pages (from-to) | 775-780 |
Number of pages | 6 |
Journal | Proceedings of the American Mathematical Society |
Volume | 128 |
Issue number | 3 |
State | Published - 2000 |
Keywords
- Invariant subspaces
- P-hyponormal
- Subscalar operators