適当な参考文献。 The asymptotic error of chaos expansion approximations for stochastic differential equations https://arxiv.org/abs/1906.01209 Dynamical Polynomial Chaos Expansions and Long Time Evolution of Differential Equations with Random Forcing https://arxiv.org/abs/1505.00047 Wiener Chaos Expansion and Numerical Solutions of Stochastic Partial Differential Equations https://thesis.library.caltech.e
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