Wikipedia:Reference desk/Archives/Mathematics/2013 May 22
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May 22 edit
Free loop generalization of Chen's iterated integrals edit
Hi all. I was searching for some parametrization and backtracking invariant way to describe closed free loops in ℝn mathematically, and I found exactly what I need in a paper by Chen Kuo-Tsai (http://www.jstor.org/stable/1993193), but alas for open paths instead of for free loops. I would think someone must have generalized Chen's work to free loops, but my many internet searches have come up with nothing, as did messing around on my own. Anyone able to help? More specifically, I need a series of numbers/tensors/forms/whatever defined for free loops (i.e. without basepoint) such that two free loops have same shape/orientation/etc. (up to insertion of tree-like bits) if and only if the series of numbers/whatever is identical for the two loops. (If that makes sense for anyone.) MuDavid (talk) 19:25, 22 May 2013 (UTC)