2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150671An introduction to Seiberg-Witten theory and its relation to theories which include gravity.91 pages, 17 eps figures, typos and minor errors corrected, references addedHigh Energy Physics - TheoryOn the Geometry behind N=2 Supersymmetric Effective Actions in Four Dimensionstext