Temporal quadratic and higher-order variations of the nonlinear fractional stochastic heat equation converge to explicit integrals of the diffusion coefficient, yielding consistent estimators for the drift and the fractional Laplacian index.
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Temporal quadratic and higher order variation for the nonlinear stochastic heat equation and applications to parameter estimation
Temporal quadratic and higher-order variations of the nonlinear fractional stochastic heat equation converge to explicit integrals of the diffusion coefficient, yielding consistent estimators for the drift and the fractional Laplacian index.