Derivational complexity of knuth-bendix orders revisited

  • Authors:
  • Georg Moser

  • Affiliations:
  • Institute of Computer Science, University of Innsbruck, Innsbruck, Austria

  • Venue:
  • LPAR'06 Proceedings of the 13th international conference on Logic for Programming, Artificial Intelligence, and Reasoning
  • Year:
  • 2006

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Abstract

We study the derivational complexity of rewrite systems compatible with KBO, if the signature of is infinite. We show that the known bounds on the derivation height are preserved, if fulfils some mild conditions. This allows us to obtain bounds on the derivational height of non simply terminating TRSs. Furthermore, we re-establish the 2-recursive upper-bound on the derivational complexity of finite rewrite systems compatible with KBO.