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# Questions

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### Convexity of $\frac{1}{2}\vert x_1 + x_2 + x_3 - x_1x_2x_3\vert^2$

may 26 11 at 19:33 Denis Serre 18.7k13193

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### Convexity of a constrained optimization problem

may 30 11 at 6:50 Will 734

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