Proclaiming Dictators and Juntas or Testing Boolean Formulae

  • Authors:
  • Michal Parnas;Dana Ron;Alex Samorodnitsky

  • Affiliations:
  • -;-;-

  • Venue:
  • APPROX '01/RANDOM '01 Proceedings of the 4th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems and 5th International Workshop on Randomization and Approximation Techniques in Computer Science: Approximation, Randomization and Combinatorial Optimization
  • Year:
  • 2001

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Abstract

We consider the problem of determining whether a given function f : {0, 1}n → {0, 1} belongs to a certain class of Boolean functions F or whether it is far from the class. More precisely, given query access to the function f and given a distance parameter Ɛ, we would like to decide whether f ∈ F or whether it differs from every g ∈ F on more than an Ɛ-fraction of the domain elements. The classes of functions we consider are singleton ("dictatorship") functions, monomials, and monotone DNF functions with a bounded number of terms. In all cases we provide algorithms whose query complexity is independent of n (the number of function variables), and polynomial in the other relevant parameters.