The Ornstein - Uhlenbeck process on P 2 with a volatility operator
The paper defines a diffusion process ($\mu_t$) on the 2-Wasserstein space ($P_2$) that generalizes the Ornstein-Uhlenbeck process. It introduces an operator framework based on self-adjoint operators to characterize the generator of this measure-valued diffusion, providing a rigorous way to model evolving probability distributions.