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math.PR2015★ 1 cited
Viscosity Characterization of the Arbitrage Function under Model Uncertainty
Yinghui Wang
We show that in an equity market model with Knightian uncertainty regarding the relative risk and covariance structure of its assets, the arbitrage function -- defined as the recip…
math.PR2014★ 1 cited
Viscosity Characterization of the Explosion Time Distribution for Diffusions
Yinghui Wang
We show that the tail distribution of the explosion time for a multidimensional diffusion (and more generally, a suitable function of the Feynman-Kac type involvi…