Bonami lemma
= Bonami lemma
{c}
{wiki=Bonami_lemma}
The Bonami lemma states that a function of <Fourier-Walsh transform>[Fourier degree] at most $k$ satisfies $\lVert f\rVert_4\leq3^{k/2}\lVert f\rVert_2$.
= Bonami lemma
{c}
{wiki=Bonami_lemma}
The Bonami lemma states that a function of <Fourier-Walsh transform>[Fourier degree] at most $k$ satisfies $\lVert f\rVert_4\leq3^{k/2}\lVert f\rVert_2$.