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Light-like Big Bang singularities in string and matrix theories

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arxiv 1103.5911 v3 pith:WRX2Z54V submitted 2011-03-30 hep-th

classification hep-th
keywords banglight-likematrixopensingularitiesstringtheoriesunderstanding
verification ladder T0 review T1 audit T2 compute T3 formal
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Important open questions in cosmology require a better understanding of the Big Bang singularity. In string and matrix theories, light-like analogues of cosmological singularities (singular plane wave backgrounds) turn out to be particularly tractable. We give a status report on the current understanding of such light-like Big Bang models, presenting both solved and open problems.

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