On the spectrum of second order differential operators with complex coefficients
B. M. Brown, W. D. Evans, D. K. R. McCormack, M. Plum
Abstract
The Weyl-Sims classification for a second-order ordinary differential equation with general complex coefficients is investigated. Connections are then established between the associated m-function and the spectral properties of maximal-accretive realisations of the differential expression.
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