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paper

A Note on a Class of Cosmological String Backgrounds

arXiv:hep-th/9707243 · doi:10.1088/1126-6708/1998/12/024

Abstract

We study a class of four dimensional, anisotropic string backgrounds and analyse their expansion and singularity structure. In particular we will see how O(3,3) duality acts on this class.

7 pages, latex