2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53994In the low-energy limit, string theory has two remarkable symmetries, O(d,d+p) and SL(2,R). We illustrate the use of these transformations as techniques to generate new solutions by applying them to the Taub--NUT metric.3 pages (LaTex) (Talk presented by RCM at the Seventh Marcel Grossmann Meeting at Stanford University July 24th---30th 1994), McGill/94-40, IASSNS-HEP-94/65High Energy Physics - Theorytext