Posts by pregunton
I finally found how to calculate the mass in the general case. Here is an answer summarizing my comments and calculations (but I'm still not an expert in general relativity, so please take it with ...
Answer
Within general relativity at least, I think this is impossible. The metric tensor of a pseudo-Riemannian manifold is usually taken to be everywhere nondegenerate (see e.g. this source. A metric is ...
Answer
Summary The main idea behind the "cuboverse" is that spacetime distances are measured by (something close to) the sup norm or infinity norm. Under this norm, spheres (the set of points at a fixed ...
