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CCF Seminar
Christian Keller University of Southern California Title: Pathwise Ito Calculus for Rough Paths Abstract: We introduce path derivatives for controlled rough paths in the spirit of Dupire's functional Ito calculus. This allows us to study, in a convenient manner, rough differential equations with time-dependent coefficients under minimal regularity assumptions (with respect to time). Consequently, we can establish existence and stability of pathwise solutions for a large class of SDEs on a universal canonical sample space. The results are useful for studying viscosity solutions of SPDEs.This is joint work with Jianfeng Zhang. Date: Monday, February 2, 2015 Time: 4:30 pm Location: Wean Hall 6423 Submitted by: Shreve |