ABSTRACT
ACT The starlrlnrd forrnula.tion of a large deviation pririciplc irivolvcs an upper bound for closed scts a i d a lowc~ bour~d for open sets. Sllch a prillciple was established in Papangelou (2000) for a. rnultiallelc Wright-Fisher process. Here we extend urlclcr more restrictive iissllrnptioris the lower hound to boundary scts, tl-lerehy tleterr~iirlirig the cxponential asyrnptotics of the proba.bilities of actually reaching the bountlary witliiri a sliort tirnc.
