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Jun 15, 2015 at 22:25 comment added Conifold @Javier Good point, I tightened up the language. Riemann does not give an interpretation in terms of change of direction under transport around a loop. He talks about "surface-direction" (what we would call a plane in tangent space) and prolonging all geodesics originally tangent to it, which creates a surface. This surface has total curvature, and he refers to Gauss's interpretation of it in terms of spherical excess, or area excess for infinitesimal triangles. cs.jhu.edu/~misha/ReadingSeminar/Papers/Riemann54.pdf
Jun 15, 2015 at 22:14 history edited Conifold CC BY-SA 3.0
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Jun 15, 2015 at 7:31 comment added hjhjhj57 When you say "[...] gave a geometric interpretation of the Riemann curvature," do you mean that Riemann didn't have a geometric motivation for defining the Riemann curvature tensor?
Jun 8, 2015 at 9:46 vote accept Golbez
Jun 7, 2015 at 20:51 history answered Conifold CC BY-SA 3.0