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Re: What is a vector field?
Posted:
Apr 24, 2013 11:33 AM


Tom Roberts wrote:
>>> Hmmmm. In physics, where we always have an ORIENTABLE manifold WITH >>> METRIC, >> >> Certainly at an undergraduate level, but once you get into things like >> gauge theories you need manifolds without a metric. > > Yes. I meant spacetime manifold.
Finally you admit, relativity is an undergraduate level!



