Non-singular superstring cosmology in two dimensions

Abstract

We review a recently proposed approach to construct superstring cosmological evolutions, which are free of Hagedorn instabilities and initial singularities. We illustrate these ideas in hybrid models in two dimensions.

Comments: 8 pages. Based on a talk given at the "10th Hellenic School and Workshops on Elementary Particle Physics and Gravity", Corfu, Greece, September 4 - 18, 2010