Necessary and sufficient conditions are presented for a positive measure to be the spectral measure of a half-line Schrödinger operator with square integrable potential.
CITATION STYLE
Killip, R., & Simon, B. (2009). Sum rules and spectral measures of Schrödinger operators with L2 potentials. Annals of Mathematics, 170(2), 739–782. https://doi.org/10.4007/annals.2009.170.739
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