2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150236Let $M$ be a singular hyperkaehler variety, obtained as a moduli space of stable holomorphic bundles on a compact hyperkaehler manifold (alg-geom/9307008). Consider $M$ as a complex variety in one of the complex structures induced by the hyperkaehler structure. We show that normalization of $M$ is smooth, hyperkaehler and does not depend on the choice of induced complex structure.13 pages, LaTeX 2e LaTeX 2eAlgebraic Geometrytext