Tensors and Relativity: Chapter 3


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Tensors in Special Relativity

We need to express the equations of physics in a frame independent way. This can be done for some equations by using four- vectors [ e.g. Newton's Laws  ] but what about the rest of physics!!?

We now extend this idea by introducing more general coordinate independent quantities called Tensors . In this section we will confine our discussion to Minkowski spacetime, although the concepts will apply to curved spacetime and General Relativity.