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Nonuniqueness for some stochastic PDE

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Stochastic Partial Differential Equations (SPDEs)

The superprocess is one of the most widely studied models in probability. It arises as a limit of population processes which depend on space as well as time. One long-standing question involves the uniqueness of the stochastic PDE which describes the superprocess. Due to randomness, standard results about uniqueness of PDE do not apply. We will describe joint work with Barlow, Mytnik, and Perkins, in which we prove nonuniqueness for the equation describing the superprocess. Our results generalize to several related equations.

This talk is part of the Isaac Newton Institute Seminar Series series.

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