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arXiv · 1002.3708

Collisions in piecewise flat gravity in 3+1 dimensions

Maarten van de Meent
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Abstract

We consider the (3+1)-dimensional locally finite gravity model proposed by 't Hooft. In particular we revisit the problem of resolving collisions of string defects. We provide a new geometric description of the configurations of strings using piecewise flat manifolds, and use it to resolve a more general class of collisions. We argue that beyond certain bounds for the deficiency/surplus angles no resolutions may be found that satisfy the imposed causality conditions.

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Maarten van de Meent. 2010-02-19. Collisions in piecewise flat gravity in 3+1 dimensions. https://doi.org/10.1088/0264-9381%2F27%2F14%2F145003

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