Recent Progress in Gauge-String Duality in D=2+1
American Physical Society.
Given the enormous amount of progress that has been achieved in establishing the duality between superconformal Yang-Mills theory in D=4 and string theory on anti de-Sitter space, it is natural to ask how far the success story extends to less idealized gauge theories. Of particular interest are Yang-Mills theories without conformal symmetries and gauge theories that possess mass-gaps. I will argue that gauge theories in three spacetime dimensions provide an ideal test-bed for ideas related to gauge-string dualities where the gauge theories have mass-gaps and lack conformal invariance. During the bulk of the talk I will try and present recent results surrounding various families of three dimensional gauge theories that have these characteristics and elaborate on the ramifications of these results for the dual string theories.