Establishes ε-robust algebraic rate bounds for P1 finite elements on special meshes and for ReLU and tanh neural networks in approximating solutions to singularly perturbed boundary value problems under low Sobolev regularity.
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Neural Networks for Singular Perturbations -- Finite Regularity
Establishes ε-robust algebraic rate bounds for P1 finite elements on special meshes and for ReLU and tanh neural networks in approximating solutions to singularly perturbed boundary value problems under low Sobolev regularity.