Guo-jun Hai

Available identifiers

List of research outcomes

Publication	Date of Publication	Type
The pseudo-regularity of the range of orthogonal projections in Krein spaces	2024-01-26	Paper
https://portal.mardi4nfdi.de/entity/Q6077900	2023-10-19	Paper
A-numerical radius and A-norm inequalities for semi-Hilbertian space operators	2023-04-25	Paper
Some refinements of numerical radius inequalities for 2 × 2 operator matrices	2022-08-02	Paper
The local spectrum, property \((\beta)\) and decomposability of operator matrices	2020-08-18	Paper
https://portal.mardi4nfdi.de/entity/Q5383518	2019-06-21	Paper
On Fredholm completions of partial operator matrices	2018-02-20	Paper
Generalized left and right Weyl spectra of upper triangular operator matrices	2017-11-24	Paper
https://portal.mardi4nfdi.de/entity/Q5368371	2017-10-20	Paper
The invertibility for linear combinations of bounded linear operators with closed range	2017-10-06	Paper
https://portal.mardi4nfdi.de/entity/Q5276322	2017-07-14	Paper
The residual spectrum and the continuous spectrum of upper triangular operator matrices	2017-04-11	Paper
https://portal.mardi4nfdi.de/entity/Q2823360	2016-10-06	Paper
https://portal.mardi4nfdi.de/entity/Q2991139	2016-08-10	Paper
https://portal.mardi4nfdi.de/entity/Q3461350	2016-01-15	Paper
Generalized Weyl spectrum of upper triangular operator matrices	2015-09-03	Paper
https://portal.mardi4nfdi.de/entity/Q5256906	2015-06-29	Paper
https://portal.mardi4nfdi.de/entity/Q5260086	2015-06-29	Paper
Some results on Fredholmness and boundedness below of an upper triangular operator matrix	2015-01-30	Paper
On the invertibility of upper triangular operator matrices	2014-08-07	Paper
https://portal.mardi4nfdi.de/entity/Q4981084	2014-06-30	Paper
Consistent invertibility of upper triangular operator matrices	2014-06-18	Paper
Invertibility of operator matrices on a Banach space	2014-03-20	Paper
https://portal.mardi4nfdi.de/entity/Q2859798	2013-11-19	Paper
Perturbation of spectra for a class of \(2\times 2\) operator matrices	2012-12-06	Paper
https://portal.mardi4nfdi.de/entity/Q3116319	2012-02-22	Paper
https://portal.mardi4nfdi.de/entity/Q3054367	2010-11-05	Paper
On the right (left) invertible completions for operator matrices	2010-08-23	Paper
https://portal.mardi4nfdi.de/entity/Q3571232	2010-07-08	Paper
https://portal.mardi4nfdi.de/entity/Q3571289	2010-07-08	Paper
The semi-Fredholmness of \(2\times 2\) operator matrices	2009-05-20	Paper

Research outcomes over time

Doctoral students

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Known relations from the MaRDI Knowledge Graph

Property	Value
MaRDI profile type	MaRDI person profile
instance of	human

This page was built for person: Guo-jun Hai