Física Ciencias Exactas Field theories in lower dimensions Matemática Field Theories in Higher Dimensions Field theories in higher dimensions Functional analytical methods Matrix models Non-Commutative Geometry Operator theory Renormalization Regularization and Renormalons Self-adjoint extensions Sigma models Torsion AdS-CFT Correspondence Affine Killing vector fields Affine connection Bose-Einstein condensation Boundaries Boundary quantum field theory Campo escalar Ciencias Naturales Complex plane Differential and Algebraic Geometry Differential operator Dynamical symmetry Effective action Field theory Formalismo línea de mundo Functional analysis