Hénard, Olivier - In: Stochastic Processes and their Applications 123 (2013) 6, pp. 2054-2083
We perform various changes of measure in the lookdown particle system of Donnelly and Kurtz. The first example is a product type h-transform related to conditioning a Generalized Fleming–Viot process without mutation on coexistence of some genetic types in remote time. We give a pathwise...