4 citations · 4 across the 2 of their papers we have counts for
5 papers
Perturbation of Browder Spectrum of Upper-triangular Operator Matrices
Shifang Zhang, Huaijie Zhong, Lin Zhang
Let is a 2-by-2 upper triangular operator matrix acting on the Banach space or Hilbert space . F…
Common properties of bounded linear operators and : Spectral theory
Qingping Zeng, Huaijie Zhong
Let be Banach spaces, and be bounded linear operators satisfying operator equation . Recently, as extensions of Jac…
A note on property (gb) and perturbations
Qingping Zeng, Huaijie Zhong
An operator defined on a Banach space satisfies property if the complement in the approximate point spectrum of the upper semi-B-Weyl s…
Fredholm Perturbation of Spectra of Upper Triangular Matrix
Zhang Shifang, Zhong Huaijie, Wu Junde
As we knew, study the perturbation theory of spectra of operator is a very important project in mathematics physics, in particular, in quantum mechanics. In this paper, we characte…
Spectra of Upper-triangular Operator Matrix
Zhang Shifang, Zhong Huaijie, Wu Junde
Let and be Banach spaces, , , , $M_{C}=({cc}A&C 0&B)$ be the operator matrix acting on the Banach space . In this paper, we g…