MathWorld is my friend. Instead of reading this math-heavy paper and saying, "gee all those terms look familiar... I sort of remember what they are", I can look them up. A bit slower going, but I'm understanding more. :) To help myself remember them (this time), I'm jotting down summary definitions in my notebook. so far: Inverse Function Theorem, Jacobian, diffeomorphism, codimension, manifold, and isometries. Now I just need to wrap my brain around an $n(n+1)/2$-dimensional manifold of isometries of $R^n$.
There's nothing like a little light reading for a Friday afternoon. ;)
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