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Results tagged with cauchy-schwarz-inequality
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user 45729
The Cauchy-Schwarz inequality states $|\langle x,y \rangle |\leq ||x||\cdot ||y||.$ Use this tag for questions related to the CS inequality and its applications.
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A homogeneous but slightly asymmetric inequality
I need to prove the following inequality: for any $Z=(z_1,\dots,z_l)\in\mathbb{C}^l$ for any $p\geq 2$ and $l\geq 2$
\begin{equation}
\left|\left|\sum_{j=1}^l z_j\right|^p-\sum_{j=1}^l\left|z_j\right| …
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