2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63257The main propose of this paper is to show that Bridgeland's moduli space of perverse point sheaves for certain flopping contractions gives the flops, and the Fourier-Mukai transform given by the birational correspondence of the flop is an equivalence between bounded derived categories.29 pagesAlgebraic GeometryFlops and Equivalences of derived Categories for Threefolds with only Gorenstein Singularitiestext