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Results tagged with convexity
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user 172374
For questions involving the concept of convexity
1
vote
Establishing quasiconcavity
I will provide a criterion under which certain sums preserve quasiconcavity. Since it is not covered in traditional convex optimization textbooks ala Boyd & Vandenberghe (2004), since it is quite rece …
- 67
1
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2
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Establishing quasiconcavity
Let $f:\mathbb{R}_+\rightarrow\mathbb{R}_+$ be twice differentiable quasi-concave function satisfying $f(x)>0,\forall x \in \mathbb{R}_+$. Let $g:\mathbb{R}_+\rightarrow\mathbb{R}_+$ be a positive, in …
- 67