Seminars & Colloquia Calendar
"Martingale optimal transport with stopping"
Yavor Stoev, University of Michigan
Location: Hill 705
Date & time: Tuesday, 11 April 2017 at 11:45AM -
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| Time: 11:45 AM |
| Location: Hill 705 |
| Abstract: We solve the martingale optimal transport problem for cost functionals represented by optimal stopping problems. The measure-valued martingale approach developed in ArXiv: 1507.02651 allows us to obtain an equivalent infinite-dimensional controller-stopper problem. We use the stochastic Perron's method and characterize the finite dimensional approximation as a viscosity solution to the corresponding HJB equation. It turns out that this solution is the concave envelope of the cost function with respect to the atoms of the terminal law. We demonstrate the results by finding explicit solutions for a class of cost functions.
Joint work with Erhan Bayraktar (UM) and Alex Cox (Bath) |
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