What is General Relativity? Lesson 68: The Einstein TensorThe Einstein tensor defined! Using the Ricci tensor and the curvature scalar we ... ... <看更多>

This video goes through the process of taking the trace of the field equations for gravity. The result is to produce a simpler form of these ... ... <看更多>

Einstein's Field Equations for General Relativity - including the Metric Tensor, Christoffel symbols, Ricci Cuvature Tensor, ... ... <看更多>

As to what other geometric meaning the tensor has, apart from its application here and to the Einstein field equations: both it and its ... ... <看更多>

In differential geometry, the Ricci curvature tensor represents the amount by which the volume of a narrow conical piece of a small geodesic ball in a curved ... ... <看更多>