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Jan 9, 2018 at 21:46 vote accept Ludwig
Jan 5, 2018 at 9:13 comment added Ludwig Thanks for adding details! I'm not very familiar with differential geometry and Lie groups, so I need some time to "digest" your answer...
Jan 2, 2018 at 15:18 history edited Peter Michor CC BY-SA 3.0
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Jan 1, 2018 at 9:40 comment added Ludwig Thanks for the answer! Could you please elaborate a little more how $\mathrm{d} Y_1$ can be computed from $\mathrm{d} X_{1,1}$ (without using vectorization, if possible)?
Dec 31, 2017 at 12:52 history edited Peter Michor CC BY-SA 3.0
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Dec 31, 2017 at 12:45 history answered Peter Michor CC BY-SA 3.0