In mathematical physics, n-dimensional de Sitter space (often denoted dSn) is a maximally symmetric Lorentzian manifold with constant positive scalar curvature. It is analogue of an n-sphere, with a Lorentzian metric in place of the Riemannian metric of the latter.
In mathematical physics, n-dimensional de Sitter space (often denoted dSn) is a maximally symmetric Lorentzian manifold with constant positive scalar curvature. It is analogue of an n-sphere, with a Lorentzian metric in place of the Riemannian metric of the latter.
Source: Wikipedia "De Sitter space" · CC BY-SA 4.0
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