On $\ell_4$ : $\ell_2$ ratio of functions with restricted Fourier support

Naomi Kirshner, Alex Samorodnitsky. On $\ell_4$ : $\ell_2$ ratio of functions with restricted Fourier support. Electronic Colloquium on Computational Complexity (ECCC), 25:16, 2018. [doi]

Abstract

Abstract is missing.