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Mar 27, 2021 at 23:05 vote accept Michael Hardy
Mar 27, 2021 at 4:52 comment added Michael Hardy @StevenStadnicki : I have no objection to self-intersection. (rhyme not intended)
Mar 27, 2021 at 1:01 answer added Adam P. Goucher timeline score: 6
Mar 26, 2021 at 22:09 answer added Steve Huntsman timeline score: 4
Mar 26, 2021 at 19:30 comment added Ben McKay Consider the Cayley transform, which relates the special orthogonal group to its Lie algebra. Easy to compute, but tough on distances.
Mar 26, 2021 at 18:59 comment added Steven Stadnicki Does it need to be 1:1 or is it okay if it self-intersects?
Mar 26, 2021 at 18:24 history asked Michael Hardy CC BY-SA 4.0