LR(k) Testing is Average Case Complete

  • Authors:
  • Christoph Karg

  • Affiliations:
  • -

  • Venue:
  • CCC '97 Proceedings of the 12th Annual IEEE Conference on Computational Complexity
  • Year:
  • 1997

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Abstract

In this note, we show that LR(k) testing of context free grammars with respect to random instances is many-one complete for Distributional NP. The same result holds for testing whether a context free grammar is LL(k), strong LL(k), SLR(k), LC(k) or strong LC(k), respectively.