Strings in singular time-dependent backg
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A. Giveon; E. Rabinovici; A. Sever
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Article
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2003
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John Wiley and Sons
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English
β 222 KB
## Abstract We review the construction of timeβdependent backgrounds with spaceβlike singularities. We mainly consider exact CFT backgrounds. The algebraic and geometric aspects of these backgrounds are discussed. Physical issues, results and difficulties associated with such systems are reviewed.