2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/206645We define and study certain hyperkaehler manifolds which capture the asymptotic behaviour of the SU(2)-monopole metric in regions where monopoles break down into monopoles of lower charges. The rate at which these new metrics approximate the monopole metric is exponential, as for the Gibbons-Manton metric.v2.: relation to calorons mentioned; added explanationsHigh Energy Physics - TheoryDifferential Geometrytext