On the Two-Variable Fragment of the Equational Theory of the Max-Sum Algebra of the Natural Numbers
BRICS Report Series
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Title |
On the Two-Variable Fragment of the Equational Theory of the Max-Sum Algebra of the Natural Numbers
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Creator |
Aceto, Luca
Ésik, Zoltán Ingólfsdóttir, Anna |
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Description |
This paper shows that the collection of identities in two variableswhich hold in the algebra N of the natural numbers with constantzero, and binary operations of sum and maximum does not have afinite equational axiomatization. This gives an alternative proof of thenon-existence of a finite basis for N - a result previously obtained bythe authors. As an application of the main theorem, it is shown thatthe language of Basic Process Algebra (over a singleton set of actions),with or without the empty process, has no finite omega-complete equationalaxiomatization modulo trace equivalence.AMS Subject Classification (1991): 08A70, 08B05, 03C05, 68Q70.ACM Computing Classification System (1998): F.4.1.Keywords and Phrases: Equational logic, varieties, complete axiomatizations,process algebra, trace equivalence.
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Publisher |
Aarhus University
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Contributor |
—
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Date |
1999-01-22
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Type |
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion — |
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Format |
application/pdf
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Identifier |
https://tidsskrift.dk/brics/article/view/20079
10.7146/brics.v6i22.20079 |
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Source |
BRICS Report Series; No 22 (1999): RS-22 On the Two-Variable Fragment of the Equational Theory of the Max-Sum Algebra of the Natural Numbers
BRICS Report Series; No 22 (1999): RS-22 On the Two-Variable Fragment of the Equational Theory of the Max-Sum Algebra of the Natural Numbers 1601-5355 0909-0878 |
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Language |
eng
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Relation |
https://tidsskrift.dk/brics/article/view/20079/17705
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Rights |
Copyright (c) 2015 BRICS Report Series
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