Física String Duality Ciencias Exactas Flux compactifications Superstrings and Heterotic Strings Supersymmetry breaking Bosonic Strings Gauge symmetry Solitons Monopoles and Instantons Solitons monopoles and instantons Supergravity Models Supersymmetric gauge theory Supersymmetry Chern Simons Non-Commutativ e Geometry Non-Commutative Geometry Sigma models String duality Supergravity models Superstrings and heterotic strings Supersymmetric effective theories Supersymmetric standard model