A transport map learned by normalizing flows turns Smolyak sparse Gauss-Hermite quadrature nodes into nodes for a non-Gaussian distribution, enabling expectation estimates for PDE outputs with far fewer simulation runs.
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Learning to Integrate
A transport map learned by normalizing flows turns Smolyak sparse Gauss-Hermite quadrature nodes into nodes for a non-Gaussian distribution, enabling expectation estimates for PDE outputs with far fewer simulation runs.