An additive perturbation lemma for linear m-accretive operators in Hilbert spaces
Abstract
In this paper, we give a new sufficient condition for the sum of a linear maximal accretive operator and an accretive one to be maximal accretive in Hilbert spaces setting. As an application, an extended result to the operator-norm error bound estimate for the exponential Trotter-Kato product formula is given.
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