A note on the power of threshold circuits

  • Authors:
  • E. Allender

  • Affiliations:
  • Dept. of Comput. Sci., Rutgers Univ., New Brunswick, NJ, USA

  • Venue:
  • SFCS '89 Proceedings of the 30th Annual Symposium on Foundations of Computer Science
  • Year:
  • 1989

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Abstract

The author presents a very simple proof of the fact that any language accepted by polynomial-size depth-k unbounded-fan-in circuits of AND and OR gates is accepted by depth-three threshold circuits of size n raised to the power O(log/sup k/n). The proof uses much of the intuition of S. Toda's result that the polynomial hierarchy is contained in P/sup Hash P/ (30th Ann. Symp. Foundations Comput. Sci., p.514-519, 1989).