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Bautista, A.; Ibort, A.; Lafuente, J.; Low, R. A conformal boundary for space-times based on light-like geodesics: the 3-dimensional case. (English) Zbl 1360.83010 J. Math. Phys. 58, No. 2, 022503, 26 p. (2017). MSC: 83C10 53C22 58E10 83C75 83C05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv Link