Física Black Holes Black holes article gravity Conformal field theory quantum mechanics 2D black hole AdS-CFT correspondence Ciencias Exactas Classical Theories of Gravity Classical theories of gravity Field theories in lower dimensions Models of quantum gravity mathematical analysis p-branes 't Hooft and Polyakov loops Anti-de sitter space Area theorem Black Holes in String Theory Chern-Simons Theories ChernSimons Theories Classical gravity Conformal and W symmetry Conformal field models in string theory Constrained Hamiltonian system Duality symmetries Global phase time Gravitation Gravity