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Stochastic differential equations with irregular coefficients: mind the gap!

VIENNA PROBABILITY SEMINAR

Date
Wednesday, June 8, 2022 17:45 - 19:00
Speaker
Michaela Szölgyenyi (University of Klagenfurt)
Location
Heinzel Seminar Room (I21.EG.101), Office Building West
Series
Seminar/Talk
Tags
Mathematics and CS Seminar, mathematical_seminar_ics
Host
M. Beiglböck, N. Berestycki, L. Erdös, J. Maas, F. Toninelli
Contact

Random phenomena often appear in dynamical systems that we aim to analyse and to control. Mathematics serves to describe these random dynamical systems by stochastic differential equations (SDEs). In many cases the coefficients of these SDEs lack regularity properties that are assumed in the classical literature on numerical methods for SDEs. For example, when solving stochastic control problems by simulation one has to take into account that the control might depend on the controlled process in a discontinuous manner.
Motivated by this problem we study existence, uniqueness, and strong convergence rates of numerical methods for certain SDEs with non-globally Lipschitz coefficients.


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