TY - JOUR T1 - Enhanced gauge symmetries on elliptic K3 JF - Phys.Lett. B452 (1999) 244-250 Y1 - 1999 A1 - Loriano Bonora A1 - Cesare Reina A1 - Alessandro Zampa AB - We show that the geometry of K3 surfaces with singularities of type A-D-E contains enough information to reconstruct a copy of the Lie algebra associated to the given Dynkin diagram. We apply this construction to explain the enhancement of symmetry in F and IIA theories compactified on singular K3\\\'s. PB - Elsevier UR - http://hdl.handle.net/1963/3366 U1 - 964 U2 - Physics U3 - Elementary Particle Theory ER -