Formal theories for linear algebra

  • Authors:
  • Stephen Cook;Lila Fontes

  • Affiliations:
  • Department of Computer Science, University of Toronto;Department of Computer Science, University of Toronto

  • Venue:
  • CSL'10/EACSL'10 Proceedings of the 24th international conference/19th annual conference on Computer science logic
  • Year:
  • 2010

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Abstract

We introduce two-sorted theories in the style of [CN10] for the complexity classes ⊕L and DET, whose complete problems include determinants over Z2 and Z, respectively. We then describe interpretations of Soltys' linear algebra theory LAp over arbitrary integral domains, into each of our new theories. The result shows equivalences of standard theorems of linear algebra over Z2 and Z can be proved in the corresponding theory, but leaves open the interesting question of whether the theorems themselves can be proved.