Schloss Dagstuhl - Leibniz-Zentrum für Informatik GmbH Schloss Dagstuhl - Leibniz-Zentrum für Informatik GmbH scholarly article en Nishida, Naoki; Sakai, Masahiko; Sakabe, Toshiki https://www.dagstuhl.de/lipics License: Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported license (CC BY-NC-ND 3.0)
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URN: urn:nbn:de:0030-drops-31244
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Soundness of Unravelings for Deterministic Conditional Term Rewriting Systems via Ultra-Properties Related to Linearity

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Abstract

Unravelings are transformations from a conditional term rewriting
system (CTRS, for short) over an original signature into an
unconditional term rewriting systems (TRS, for short) over an extended
signature. They are not sound for every CTRS w.r.t. reduction, while
they are complete w.r.t. reduction. Here, soundness w.r.t. reduction
means that every reduction sequence of the corresponding unraveled
TRS, of which the initial and end terms are over the original
signature, can be simulated by the reduction of the original CTRS. In
this paper, we show that an optimized variant of Ohlebusch's
unraveling for deterministic CTRSs is sound w.r.t. reduction if the
corresponding unraveled TRSs are left-linear or both right-linear and
non-erasing. We also show that soundness of the variant implies that
of Ohlebusch's unraveling.

BibTeX - Entry

@InProceedings{nishida_et_al:LIPIcs:2011:3124,
  author =	{Naoki Nishida and Masahiko Sakai and Toshiki Sakabe},
  title =	{{Soundness of Unravelings for Deterministic Conditional Term Rewriting Systems via Ultra-Properties Related to Linearity}},
  booktitle =	{22nd International Conference on Rewriting Techniques and Applications (RTA'11)},
  pages =	{267--282},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-30-9 },
  ISSN =	{1868-8969},
  year =	{2011},
  volume =	{10},
  editor =	{Manfred Schmidt-Schau{\ss}},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2011/3124},
  URN =		{urn:nbn:de:0030-drops-31244},
  doi =		{10.4230/LIPIcs.RTA.2011.267},
  annote =	{Keywords: conditional term rewriting, program transformation}
}

Keywords: conditional term rewriting, program transformation
Seminar: 22nd International Conference on Rewriting Techniques and Applications (RTA'11)
Issue date: 2011
Date of publication: 26.04.2011


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