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Currently Playing: Relativity 110c: Cosmology - FLRW Tensor/Coefficient Derivations

Full relativity playlist: https://www.youtube.com/playlist?list=PLJHszsWbB6hqlw73QjgZcFh4DrkQLSCQa Powerpoint slide files: https://github.com/eigenchris/MathNotes/tree/master/Relativity Leave me a tip: https://ko-fi.com/eigenchris Some other sources for the tensor formulas are: - Sean Carroll GR Cosmology notes: https://preposterousuniverse.com/wp-content/uploads/grnotes-eight.pdf - Section 2.9 of the Catalogue of Spacetimes (note they they take the g_tt metric term to be c^2 instead of 1, so the locations of c in the formulas are different: https://arxiv.org/pdf/0904.4184.pdf 0:00 Intro + Notation 2:48 Connection Coefficients 10:08 Ricci Tensor 19:04 Ricci Scalar