Spectral norm in learning theory: some selected topics

  • Authors:
  • Hans Ulrich Simon

  • Affiliations:
  • Fakultät für Mathematik, Ruhr-Universität Bochum, Bochum, Germany

  • Venue:
  • ALT'06 Proceedings of the 17th international conference on Algorithmic Learning Theory
  • Year:
  • 2006

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Abstract

In this paper, we review some known results that relate the statistical query complexity of a concept class to the spectral norm of its correlation matrix. Since spectral norms are widely used in various other areas, we are then able to put statistical query complexity in a broader context. We briefly describe some non-trivial connections to (seemingly) different topics in learning theory, complexity theory, and cryptography. A connection to the so-called Hidden Number Problem, which plays an important role for proving bit-security of cryptographic functions, will be discussed in somewhat more detail.