title: String universality in ten dimensions.
abstract: We show that the N=1 supergravity theories in ten dimensions with gauge groups U(1){496} and E{8}×U(1){248} are not consistent quantum theories. Cancellation of anomalies cannot be made compatible with supersymmetry and Abelian gauge invariance. Thus, in ten dimensions all supersymmetric theories of gravity without known inconsistencies are realized in string theory.
authors.affiliation: Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
authors.forename: Allan
authors.initials: A
authors.lastname: Adams
authors.forename: Washington
authors.initials: W
authors.lastname: Taylor
authors.forename: Oliver
authors.initials: O
authors.lastname: Dewolfe