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Annika Lang: Connecting random fields on manifolds and stochastic partial differential equations in simulations

Time: Thu 2022-04-21 14.00 - 15.00

Location: Zoom

Video link: Meeting ID: 632 9929 3349

Participating: Annika Lang (Chalmers)

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Abstract: Random fields on manifolds can be used as building blocks for solutions to stochastic partial differential equations or they can be described by stochastic partial differential equations. In this talk I present recent developments in numerical approximations of random fields and solutions to stochastic partial differential equations on manifolds and connect the two. More specifically, we look at the stochastic wave equation on the sphere and approximations of Gaussian random fields on manifolds using suitable finite element methods. Throughout the talk, theory and convergence analysis are combined with numerical examples and simulations.

This talk is based on joint work with David Cohen, Erik Jansson, Mihály Kovács, and Mike Pereira.