Theoretical Developments in SUSY

Abstract

In this talk I review three topics: (i) Heterotic strings from N=1 gauge theories; (ii) Planar equivalence and emergent center symmetry in QCD-like theories; (iii) Exact result for gluon scattering amplitudes in N=4 (dual conformality).

Comments: 20 pages, 3 figures; Invited Talk at PLANCK 2008, Barcelona, Spain, 19-23 May, 2008