Presentation 2012-01-26
On class of equation sets whose word problems are reducible to those of ground equation sets
Toshimitsu SAKAI, Masahiko SAKAI, Toshiki SAKABE, Naoki NISHIDA, Keiichirou KUSAKARI,
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Abstract(in English) The word problem of an equation set is to decide, given two terms, whether the two terms are equivalent under the equations. In this paper, we show that word problems of linear, shallow, non-erasing and non-collapsing equation sets are reducible to those of equation sets having no variables, where we use a transformation that substitutes ground terms determined from the equation set and the given two terms into each equation. This result allows us to use decision algorithms for the word problem of an equation set without variables to solve the target problem.
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Keyword(in English) equational theory / word problem / congruence closure
Paper # MSS2011-62,SS2011-47
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Committee MSS
Conference Date 2012/1/19(1days)
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Registration To Mathematical Systems Science and its applications(MSS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On class of equation sets whose word problems are reducible to those of ground equation sets
Sub Title (in English)
Keyword(1) equational theory
Keyword(2) word problem
Keyword(3) congruence closure
1st Author's Name Toshimitsu SAKAI
1st Author's Affiliation Department of Information Engineering, School of Engineering, Nagoya University()
2nd Author's Name Masahiko SAKAI
2nd Author's Affiliation Graduate School of Information Science, Nagoya University
3rd Author's Name Toshiki SAKABE
3rd Author's Affiliation Graduate School of Information Science, Nagoya University
4th Author's Name Naoki NISHIDA
4th Author's Affiliation Graduate School of Information Science, Nagoya University
5th Author's Name Keiichirou KUSAKARI
5th Author's Affiliation Graduate School of Information Science, Nagoya University
Date 2012-01-26
Paper # MSS2011-62,SS2011-47
Volume (vol) vol.111
Number (no) 405
Page pp.pp.-
#Pages 5
Date of Issue