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math.PR2023
Quickest Real-Time Detection of Multiple Brownian Drifts
Philip A. Ernst, Hongwei Mei, Goran Peskir
Consider the motion of a Brownian particle in dimensions, whose coordinate processes are standard Brownian motions with zero drift initially, and then at some random/unobservab…
math.PR2021
Exact optimal stopping for multidimensional linear switching diffusions
Philip Ernst, Hongwei Mei
The paper studies a class of multidimensional optimal stopping problems with infinite horizon for linear switching diffusions. There are two main novelties in the optimal problems…