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gaussian approximation 1nonlinear approximation manifolds 1residual minimization 1schrödinger equation 1time discretization 1variational principle 1

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math.NA2026

Residual-Based Time Discretization on Nonlinear Approximation Manifolds: Analysis and Gaussian Applications

Eddy de Leon, Caroline Lasser

The paper develops time‑discrete methods that approximate evolution equations by minimizing residuals on low‑dimensional nonlinear manifolds, and demonstrates the approach on Gauss…