Articles by Guojun Hai:
OaM-11-48 | » The invertibility for linear combinations of bounded linear operators with closed range (09/2017) |
JMI-16-31 | » Some refinements of numerical radius inequalities for 2 × 2 operator matrices (06/2022) |
JMI-18-43 | » Improvements of A-numerical radius for semi-Hilbertian space operators (06/2024) |