most citedAnalyticity of the density of electronic wavefunctions

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math.SP2004

Nodal domains a la Courant

A. Ancona, B. Helffer, T. Hoffmann-Ostenhof

Let $H(\Om_0)=-Δ+V$ be a Schrödinger operator on a bounded domain $\Om_0\subset \mathbb R^d$ with Dirichlet boundary conditions. Suppose that the $\Om_\ell$ (…