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math.NA2011
Atomistic-to-Continuum Coupling Approximation of a One-Dimensional Toy Model for Density Functional Theory
B. Langwallner, C. Ortner, E. Süli
We consider an atomistic model defined through an interaction field satisfying a variational principle, and can therefore be considered a toy model of (orbital free) density functi…
math.NA2011★ 22 cited
Greedy approximation of high-dimensional Ornstein-Uhlenbeck operators
Leonardo E. Figueroa, Endre Süli
We investigate the convergence of a nonlinear approximation method introduced by Ammar et al. (J. Non-Newtonian Fluid Mech. 139:153-176, 2006) for the numerical solution of high-di…