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math.FA2013
Perturbation analysis for Moore-Penrose inverse of closed operators on Hilbert spaces
Fapeng Du, Yifeng Xue
In this paper, we investigate the perturbation for the Moore-Penrose inverse of closed operators on Hilbert spaces. By virtue of a new inner product defined on , we give the exp…
math.FA2010
The expression of Moore--Penrose inverse of
Fapeng Du, Yifeng Xue
Let be Hilbert spaces and let denote the set of all bounded linear operators from to . Let with closed and $X,Y \in L(K…