New posts in Covariance

What is the purpose of emphasizing that an action is invariant under diffeomorphism?

How to show the spacetime interval is invariant in general?

What is "a general covariant formulation of newtonian mechanics"?

Einstein Summation Convention: One as Upper, One as Lower?

Gradient, divergence and curl with covariant derivatives

What does it mean to transform as a scalar or vector?

Momentum vector transformation

Covariance of Euler-Lagrange equations under change of generalized coordinates

Are diffeomorphisms a proper subgroup of conformal transformations?

Invariance, covariance and symmetry