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Numerical methods for fractional stochastic PDEs with applications to spatial statistics

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Event details

Date and time 11.10.2019 10:0011:00  
Place and room
Speaker Kristin KIRCHNER
Category Conferences - Seminars

Many models in spatial statistics are based on Gaussian Matérn fields. Motivated by the relation between this class of Gaussian random fields and stochastic partial differential equations (PDEs), we consider the numerical solution of fractional-order elliptic stochastic PDEs with additive spatial white noise on a bounded Euclidean domain.

 

We propose an approximation supported by a rigorous error analysis which shows different notions of convergence explicit and sharp rates. We furthermore discuss the computational complexity of the proposed method. Finally, we present several numerical experiments, which attest the theoretical outcomes, as well as a statistical application where we use the method for inference, i.e., for parameter estimation given data, and for spatial prediction

Practical information

  • Informed public
  • Free

Contact

  • Carole Weissenberger

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