English

On the Converse of Talagrand's Influence Inequality

Discrete Mathematics 2015-06-24 v2 Combinatorics

Abstract

In 1994, Talagrand showed a generalization of the celebrated KKL theorem. In this work, we prove that the converse of this generalization also holds. Namely, for any sequence of numbers 0<a1,a2,,an10<a_1,a_2,\ldots,a_n\le 1 such that j=1naj/(1logaj)C\sum_{j=1}^n a_j/(1-\log a_j)\ge C for some constant C>0C>0, it is possible to find a roughly balanced Boolean function ff such that Infj[f]<aj\textrm{Inf}_j[f] < a_j for every 1jn1 \le j \le n.

Keywords

Cite

@article{arxiv.1506.06325,
  title  = {On the Converse of Talagrand's Influence Inequality},
  author = {Saleet Klein and Amit Levi and Muli Safra and Clara Shikhelman and Yinon Spinka},
  journal= {arXiv preprint arXiv:1506.06325},
  year   = {2015}
}