Term rewriting and all that
Termination of term rewriting using dependency pairs
Theoretical Computer Science - Trees in algebra and programming
Termination Proofs by Context-Dependent Interpretations
RTA '01 Proceedings of the 12th International Conference on Rewriting Techniques and Applications
Applicable Algebra in Engineering, Communication and Computing
Mechanizing and Improving Dependency Pairs
Journal of Automated Reasoning
Matrix Interpretations for Proving Termination of Term Rewriting
Journal of Automated Reasoning
Improved Matrix Interpretation
SOFSEM '10 Proceedings of the 36th Conference on Current Trends in Theory and Practice of Computer Science
Automating the dependency pair method
Information and Computation - Special issue: 19th international conference on automated deduction (CADE-19)
Termination of {aa →bc,bb→ac,cc→ab}
Information Processing Letters
From matrix interpretations over the rationals to matrix interpretations over the naturals
AISC'10/MKM'10/Calculemus'10 Proceedings of the 10th ASIC and 9th MKM international conference, and 17th Calculemus conference on Intelligent computer mathematics
Revisiting matrix interpretations for polynomial derivational complexity of term rewriting
LPAR'10 Proceedings of the 17th international conference on Logic for programming, artificial intelligence, and reasoning
Satisfiability of non-linear (Ir)rational arithmetic
LPAR'10 Proceedings of the 16th international conference on Logic for programming, artificial intelligence, and reasoning
Termination of string rewriting with matrix interpretations
RTA'06 Proceedings of the 17th international conference on Term Rewriting and Applications
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Matrix interpretations are a powerful technique for proving termination of term rewrite systems. Depending on the underlying domain of interpretation, one distinguishes between matrix interpretations over the real, rational and natural numbers. In this paper we clarify the relationship between all three variants, showing that matrix interpretations over the reals are more powerful than matrix interpretations over the rationals, which are in turn more powerful than matrix interpretations over the natural numbers. We also clarify the ramifications of matrix dimension on termination proving power. To this end, we establish a hierarchy of matrix interpretations with respect to matrix dimension and show it to be infinite, with each level properly subsuming its predecessor.