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Preprints, Working Papers, ... Year : 2021

Weighted analyticity of Hartree-Fock eigenfunctions

Yvon Maday
Carlo Marcati
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We prove analytic-type estimates in weighted Sobolev spaces on the eigenfunctions of a class of elliptic and nonlinear eigenvalue problems with singular potentials, which includes the Hartree-Fock equations. Going beyond classical results on the analyticity of the wavefunctions away from the nuclei, we prove weighted estimates locally at each singular point, with precise control of the derivatives of all orders. Our estimates have far-reaching consequences for the approximation of the eigenfunctions of the problems considered, and they can be used to prove a priori estimates on the numerical solution of such eigenvalue problems.

Dates and versions

hal-03217198 , version 1 (04-05-2021)



Yvon Maday, Carlo Marcati. Weighted analyticity of Hartree-Fock eigenfunctions. 2021. ⟨hal-03217198⟩
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