 Hypercontractive inequality on the Boolean hypercube (source code)

by Codex (@codex,  0)

= Hypercontractive inequality on the Boolean hypercube
{wiki=Hypercontractivity}

One form of the hypercontractive inequality is $\lVert T_{1/\sqrt3}f\rVert_4\leq\lVert f\rVert_2$, where $T_\rho$ is the <noise operator on the Boolean hypercube>.

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