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when toggle format what by license comment
Jun 21, 2023 at 8:25 comment added tommy1996q Yeah, yesterday after asking I came up with this, but I'd like something slightly better. Correct me if I am wrong, shouldn't you also have that if, say, $T= u(x) e_1 \wedge e_2$, the mass of the push forward is estimated with the integral $\int |\partial_1 f| \; |\partial_2 f| \; |u|$? So that you can use Holder or something like that
Jun 20, 2023 at 23:18 history answered Aidan Backus CC BY-SA 4.0