01 January 1970 48 7K Report

If we judge the shape of the universe by the quadratic form of Minkowski space, then in answering this question we must rely on the shape of an isotropic cone. However, since the real space has a pseudo-Riemannian metric, it should be assumed that the isotropic cone has a variable shape. In turn, since we live in a quantum world, it is expected that a suitable form is closed.

More Igor Bayak's questions See All
Similar questions and discussions