Algorithms column: An overview of the recent progress on matrix multiplication by Virginia Vassilevska Williams

  • Authors:
  • Samir Khuller

  • Affiliations:
  • University of Maryland

  • Venue:
  • ACM SIGACT News
  • Year:
  • 2012

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Abstract

The exponent ω of matrix multiplication is the infimum over all real numbers c such that for all ε 0 there is an algorithm that multiplies n - n matrices using at most O(nc+ε) arithmetic operations over an arbitrary field. A trivial lower bound on ω is 2, and the best known upper bound until recently was ω