%0 Journal Article %J Phys.Lett. B452 (1999) 244-250 %D 1999 %T Enhanced gauge symmetries on elliptic K3 %A Loriano Bonora %A Cesare Reina %A Alessandro Zampa %X 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. %B Phys.Lett. B452 (1999) 244-250 %I Elsevier %G en_US %U http://hdl.handle.net/1963/3366 %1 964 %2 Physics %3 Elementary Particle Theory %$ Submitted by Andrea Wehrenfennig (andreaw@sissa.it) on 2008-11-27T13:09:53Z\\nNo. of bitstreams: 1\\nEnhanced_gauge.pdf: 155859 bytes, checksum: 8dbf403648387d04a1923181897b6ea1 (MD5) %R 10.1016/S0370-2693(99)00295-6