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.
|Number of pages||6|
|Journal||Proceedings of the American Mathematical Society|
|State||Published - 2000|
- Invariant subspaces
- Subscalar operators