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research
A context-free and a 1-counter geodesic language for a Baumslag-Solitar group
Authors
Brazil
Collins
+8 more
Elston
Epstein
Groves
Hopcroft
Lothaire
Muller
Murray Elder
Sipser
Publication date
8 November 2004
Publisher
'Elsevier BV'
Doi
Cite
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on
arXiv
Abstract
We give a language of unique geodesic normal forms for the Baumslag-Solitar group BS(1,2) that is context-free and 1-counter. We discuss the classes of context-free, 1-counter and counter languages, and explain how they are inter-related
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