Metaplectic Barron spaces admit N^{-1/2} Sobolev approximation rates using chirped ridge neurons, and a metaplectic PINN beats a plain PINN on harmonic-oscillator Schrödinger benchmarks.
Time-frequency analysis for neuralnetworks,
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Approximation Rates for Metaplectic Neural Networks
Metaplectic Barron spaces admit N^{-1/2} Sobolev approximation rates using chirped ridge neurons, and a metaplectic PINN beats a plain PINN on harmonic-oscillator Schrödinger benchmarks.