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when toggle format what by license comment
Aug 14, 2023 at 7:54 comment added Giorgio Metafune Just use that $u(x) \to 0$ as $x \to x_0$.
Aug 14, 2023 at 2:53 comment added Davidi Cone how to guarantee that $(1+K u^{\frac{4}{n-2}}) \geq 0$ in $B\left(x_0, r\right)$? since $K$ may be always negative.
Aug 13, 2023 at 19:07 history answered Giorgio Metafune CC BY-SA 4.0