2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/167388We determine sufficient conditions on the volatility coefficient of Musiela's stochastic partial differential equation driven by an infinite dimensional L{é}vy process so that it admits a unique local mild solution in spaces of functions whose first derivative is square integrable with respect to a weight.Final versionProbability60G51; 60H15; 91B28text