2023/03/27 by Gou, Haibo, Chen, Huanyin
#15A09 #16U99 #47A08 #FOS: Mathematics #Functional Analysis (math.FA)
paper · doi:10.48550/arxiv.2303.15146
In this paper we investigate Hirano invertibility of anti-triangular matrix over a Banach algebra. Let a∈ \mathcal AH, b∈ \mathcal AsD. If bDa=0, babπ=0, we prove that \beginpmatrix a&1 b&0 \endpmatrix∈ M2(\mathcal A)H. Moreover, we considered Hirano invertibility of anti-triangular matrices under commutative-like conditions. These provide new kind of operator matrices with tripotent and nilpotent decompositions.