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Conditional semi-Thue Systems for Presenting Monoids

  • There are well known examples of monoids in literature which do not admit a finite andcanonical presentation by a semi-Thue system over a fixed alphabet, not even over an arbi-trary alphabet. We introduce conditional Thue and semi-Thue systems similar to conditionalterm rewriting systems as defined by Kaplan. Using these conditional semi-Thue systems wegive finite and canonical presentations of the examples mentioned above. Furthermore weshow, that each finitely generated monoid with decidable word problem is embeddable in amonoid which has a finite canonical conditional presentation.

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Author:Thomas Deiß
URN (permanent link):urn:nbn:de:hbz:386-kluedo-3073
Serie (Series number):SEKI Report (92,12)
Document Type:Preprint
Language of publication:English
Year of Completion:1999
Year of Publication:1999
Publishing Institute:Technische Universität Kaiserslautern
Date of the Publication (Server):2000/04/03
Faculties / Organisational entities:Fachbereich Informatik
DDC-Cassification:0 Allgemeines, Informatik, Informationswissenschaft / 004 Informatik
Licence (German):Standard gemäß KLUEDO-Leitlinien vor dem 27.05.2011