Deyu Wu

Articles by Deyu Wu:

OaM-11-33 » The spectral equality for upper triangular operator matrices with unbounded entries (06/2017)
OaM-15-89 » Some general quadratic numerical radius inequalities for the off-diagonal parts of 2 ⨉ 2 block operator matrices (12/2021)
OaM-17-70 » The essential spectrum equalities of 2×2 unbounded upper triangular operator matrices (12/2023)