What is General Relativity? Lesson 46: Symmetries of the Riemann Tensor

From a channel Lumen includes in full: XylyXylyX posts long, rigorous self-study lesson series on tensors and manifolds, relativistic mechanics, QED prerequisites and quantum computing (including Shor's algorithm).

A 57-minute video from XylyXylyX's catalogue; the title names its topic.

Video by XylyXylyX, played through YouTube's embedded player.