**Recorded: **April 24, 2014

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**Lecture 8: **General Relativity 4

**Course Description: **"Einstein's General Relativity and Gravitation" is taught at UCI as Physics 255. Topics covered: Principle of General Covariance. Local versus Global Invariances, Gauge Fields and the QED Analogy, General Structure of Invariant Equations, Tensor Algebra, Raising and Lowering of Indices, Contractions, Tensor Densities, Space-Time Volume Element, Transformation Properties of the Affine Connection, General Coordinate Invariance of the Equation of Free Fall.

**Required attribution:** Hamber, Herbert. Physics 255 (UCI Open: University of California, Irvine), ../courses/einsteins_general_relativity_and_gravitation.html [Access date]. License: Creative Commons Attribution-ShareAlike 3.0 United States License.