2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/103485In this talk I review the structure of vacua of N=2 theories broken down to N=1 and it's link with factorization of Seiberg-Witten curves. After an introduction to the structure of vacua in various supersymmetric gauge theories, I discuss the use of the exact factorization solution to identify different dual descriptions of the same physics and to count the number of connected domains in the space of N=1 vacua.13 pages, 2 figures. Talk presented at the XLV School of Theoretical Physics, Zakopane, 3-12 June 2005High Energy Physics - TheoryHigh Energy Physics - Phenomenologytext