Study of the curvature of space-time and Riemannian manifolds.
Because Tensor calculus is, at its core, a game of notation. It is a language. Modern texts often try to bypass the learning curve of index notation by relying too tensor calculus m.c. chaki pdf
Chaki provides rigorous proofs for the Bianchi Identities and Ricci’s Theorem. Writing these out by hand is the best way to learn. Study of the curvature of space-time and Riemannian