Abstract
We study the statistical properties of stochastic evolution equations driven by space-only noise, either additive or multiplicative. While forward problems, such as existence, uniqueness, and regularity of the solution, for such equations have been studied, little is known about inverse problems for these equations. We exploit the somewhat unusual structure of the observations coming from these equations that leads to an interesting interplay between classical and non-traditional statistical models. We derive several types of estimators for the drift and/or diffusion coefficients of these equations, and prove their relevant properties.
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The authors would like to thank the two anonymous referees, the associate editor and the editor for carefully reading the original manuscript, and their insightful comments and suggestions which improved greatly the final manuscript.
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Cialenco, I., Kim, HJ. & Lototsky, S.V. Statistical analysis of some evolution equations driven by space-only noise. Stat Inference Stoch Process 23, 83–103 (2020). https://doi.org/10.1007/s11203-019-09205-0
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DOI: https://doi.org/10.1007/s11203-019-09205-0
Keywords
- Stochastic PDEs
- MLE
- Bayesian estimators
- Local asymptotic normality
- Regular statistical model
- Parabolic Anderson model
- shell model
- Multi-channel model