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Fascinating!
I played around for a while and still don’t get it - even in slowest motion. How did this Bednarz guy come up with it?
Against constructivism: it’s nice to know: sphere eversion exists
Pro constructivism: it’s even nicer to show it
yeah, pretty fascinating indeed
How did this Bednarz guy come up with it?
i honestly have no idea, afaik the problem remained unsolved for many years, so i imagine the search for solution was very complicated