KCI등재
학술저널
Which weighted shifts are M-hyponormal?
- 충청수학회
- Journal of the Chungcheong Mathematical Society
- Volume 35, No. 1
- : KCI등재
- 2022.02
- 25 - 31 (7 pages)
Let α=\{\α_n\}_{n=0}^{\infty}$ be a weight sequence and let $W_\α$ denote the associated unilateral weighted shift on l²(Z₊). In this paper we will investigate which weighted shift is M-hyponormal.
1. Introduction
2. Preliminaries
3. Every M-hyponormal quasinilpotent operator is zero
4. Which weighted shifts are M-hyponormal?
References