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Decay properties of spectral projectors with applications to electronic structure. (English) Zbl 1377.65155

MSC:
65N35 Spectral, collocation and related methods for boundary value problems involving PDEs
81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics
81Q10 Selfadjoint operator theory in quantum theory, including spectral analysis
35Q40 PDEs in connection with quantum mechanics
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