Summary
By demanding that the laws of nature be such that the three-dimensionality of space can be deduced from them, it is shown within the framework of general relativity that gravity should be attractive and that there should be stable bound states. There is a discussion of the consistency with this requirement of the conservation of baryons and leptons. It is also proposed that some new gravitational behaviour limits the formation of black holes which would violate baryon and lepton conservation.
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Tangherlini, F.R. Dimensionality of space, bound-state postulate and the conservation of baryons and leptons. Lett. Nuovo Cimento 38, 573–576 (1983). https://doi.org/10.1007/BF02785994
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DOI: https://doi.org/10.1007/BF02785994