2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/273We determine the quantum cohomology of the moduli space of odd degree rank two stable vector bundles over a Riemann surface $Σ$ of any genus. This work together with dg-ga/9710029 prove that this quantum cohomology is isomorphic to the instanton Floer cohomology of the three manifold $Σ\times S^1$. (Note: There is some overlap with the previous paper: alg-geom/9711013).15 pages, LaTeX2e, no figuresAlgebraic GeometryDifferential Geometrytext