Asymmetric Putnam-Fuglede Theorem for (n,k)-Quasi-∗-Paranormal Operators
T ∈ B ( H ) is said to be ( n , k ) -quasi-∗-paranormal operator if, for non-negative integers k and n, ∥ T ∗ ( T k x ) ∥ ( 1 + n ) ≤ ∥ T ( 1 + n ) ( T k x ) ∥ ∥ T k x ∥ n ; for all x ∈ H . In thi...
Main Authors: | Ahmed Bachir, Abdelkader Segres |
---|---|
Format: | Article |
Language: | English |
Published: |
MDPI AG
2019-01-01
|
Series: | Symmetry |
Subjects: | |
Online Access: | http://www.mdpi.com/2073-8994/11/1/64 |
Similar Items
-
The Putnam-Fuglede property for paranormal and ∗-paranormal operators
by: Patryk Pagacz
Published: (2013-01-01) -
Putnam-Fuglede type theorem for class $ \mathcal{A}_k $ operators
by: Ahmed Bachir, et al.
Published: (2021-02-01) -
Fuglede–Putnam type theorems for (p,k) $(p,k)$-quasihyponormal operators via hyponormal operators
by: Jiang-Tao Yuan, et al.
Published: (2019-05-01) -
M-quasi-hyponormal composition operators
by: Pushpa R. Suri, et al.
Published: (1987-01-01) -
Some results on composition operators on ℓ2
by: R. K. Singh, et al.
Published: (1979-01-01)