Regular operator convergence and nonlinear equations involving numerical ranges

Verma, Ram U.

doi:10.1090/S0002-9939-1995-1242108-5

Regular operator convergence and nonlinear equations involving numerical ranges
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Proc. Amer. Math. Soc. 123 (1995), 1859-1864 Request permission

Abstract:

Regular operator approximation theory, based on the work of Anselone and Lei (1986), is generalized to the case of strongly accretive operators and applied to nonlinear equations involving the generalized Zarantonello numerical ranges

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