Guest column: on testing affine-invariant properties over finite fields

  • Authors:
  • Arnab Bhattacharyya

  • Affiliations:
  • Department of Computer Science and Automation, Indian Institute of Science, Bangalore, India

  • Venue:
  • ACM SIGACT News
  • Year:
  • 2013

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Abstract

An affine-invariant property over a finite field is a property of functions over Fn/p that is closed under all affine transformations of the domain. This class of properties includes such well-known beasts as low-degree polynomials, polynomials that nontrivially factor, and functions of low spectral norm. The last few years has seen rapid progress in characterizing the affine-invariant properties which are testable with a constant number of queries. We survey the current state of this project.