Monthly Archives: January 2021

Invariant hyperbolas

Christoffel symbols in terms of the metric tensor

Metric tensor – inverse and raising and lowering indices

Vectors and the metric tensor

Christoffel symbols – symmetry

Covariant derivative of a general tensor

Christoffel symbols and the covariant derivative

Higher order derivatives are not tensors

Metric tensor and basis vectors

Normal vectors and unit normal one-forms