2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64600This paper is the first in a series of three papers concerning the surface T times T. In this paper we study the degeneration of T times T and the regeneration of its degenerated object. We study the braid monodromy and its regeneration.73 pagesAlgebraic GeometryOn the degeneration, regeneration and braid monodromy of $T \times T$text