Lorentzian Manifolds Close to Euclidean Space
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DOI: 10.1134/s0037446619020058
Abstract: We study the Lorentzian manifolds M1, M2, M3, and M4 obtained by small changes of the standard Euclidean metric on ℝ4 with the punctured origin O. The spaces M1 and M4 are closed isotropic space-time… read more here.
Keywords: euclidean space; manifolds close; close euclidean; lorentzian manifolds ... See more keywords