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hep-th2001
Geometric Transitions and N=1 Quiver Theories
F. Cachazo, S. Katz, C. Vafa
We construct N=1 supersymmetric theories on worldvolumes of D5 branes wrapped around 2-cycles of threefolds which are A-D-E fibrations over a plane. We propose large N duals as geo…
hep-th1999
Conformal Approach to Particle Phenomenology
P. H. Frampton, C. Vafa
We propose the existence of a non-supersymmetric conformal field theory softly broken at the TeV scale as a new mechanism for solving the hierarchy problem. We find the imposition…