The Fourier entropy-influence conjecture for certain classes of Boolean functions

  • Authors:
  • Ryan O'Donnell;John Wright;Yuan Zhou

  • Affiliations:
  • Department of Computer Science, Carnegie Mellon University;Department of Computer Science, Carnegie Mellon University;Department of Computer Science, Carnegie Mellon University

  • Venue:
  • ICALP'11 Proceedings of the 38th international colloquim conference on Automata, languages and programming - Volume Part I
  • Year:
  • 2011

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Abstract

In 1996, Friedgut and Kalai made the Fourier Entropy-Influence Conjecture: For every Boolean function f : {-1, 1}n → {-1, 1} it holds that H[f2] = C ċ I[f], where H[f2] is the spectral entropy of f, I[f] is the total influence of f, and C is a universal constant. In this work we verify the conjecture for symmetric functions. More generally, we verify it for functions with symmetry group Sn1 × ... × Snd where d is constant. We also verify the conjecture for functions computable by read-once decision trees.