Barry Simon
Abstract
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We prove $-Δ+V$ has purely discrete spectrum if $V\geq 0$ and, for all $M$, $|\{x\mid V(x)
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We prove $-Δ+V$ has purely discrete spectrum if $V\geq 0$ and, for all $M$, $|\{x\mid V(x)
Key concepts: Discrete spectrum, Spectrum (functional analysis), Schrödinger's cat, Mathematics, Mathematical physics, Pure mathematics, Physics, Quantum mechanics