A small noise approximation for Muller's Ratchet

Carola Sophia Heinzel, Peter Pfaffelhuber, Anton Wakolbinger

We consider an infinite system of SDEs with Fleming-Viot noise indexed by $k=0,1,2,\dots$, whose parameters $\hat{I}\pm ,\hat{I}»$, and $\hat{I}½$ are the (deleterious) selection coefficient, the (uni-…