2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/106359We prove that for any semi-Dirichlet form $(ε, D(ε))$ on a measurable Lusin space $E$ there exists a Lusin topology with the given $σ$-algebra as the Borel $σ$-algebra so that $(ε, D(ε))$ becomes quasi-regular. However one has to enlarge $E$ by a zero set. More generally a corresponding result for arbitrary $L^p$-resolvents is proven.14 pages, to appear in Potential AnalysisProbability31C25; 60J45; 60J40; 60J35; 47D07text