Transfer theorems via sign conditions

  • Authors:
  • Pascal Koiran

  • Affiliations:
  • LIP, Ecole Normale Supérieure de Lyon, 46 allée d'Italie, 69364 Lyon Cedex 07, France

  • Venue:
  • Information Processing Letters
  • Year:
  • 2002

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Abstract

We show that P = PSPACE implies the collapse of the Boolean polynomial hierarchy over any structure which admits "efficient enumeration of sign conditions". This fairly rich class of structures contains in particular R and C.