Distribution-Free Testing Lower Bounds for Basic Boolean Functions

  • Authors:
  • Dana Glasner;Rocco A. Servedio

  • Affiliations:
  • Department of Computer Science, Columbia University, New York, NY 10027, USA;Department of Computer Science, Columbia University, New York, NY 10027, USA

  • Venue:
  • APPROX '07/RANDOM '07 Proceedings of the 10th International Workshop on Approximation and the 11th International Workshop on Randomization, and Combinatorial Optimization. Algorithms and Techniques
  • Year:
  • 2007

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Abstract

In the distribution-freeproperty testing model, the distance between functions is measured with respect to an arbitrary and unknown probability distribution $\mathcal{D}$ over the input domain. We consider distribution-free testing of several basic Boolean function classes over {0,1}n, namely monotone conjunctions, general conjunctions, decision lists, and linear threshold functions. We prove that for each of these function classes, 茂戮驴((n/logn)1/5) oracle calls are required for any distribution-free testing algorithm. Since each of these function classes is known to be distribution-free properly learnable (and hence testable) using 茂戮驴(n) oracle calls, our lower bounds are within a polynomial factor of the best possible.