Automatic groups, subgroups and cosets
classification
🧮 math.GR
keywords
automaticcosetsgroupssubgroupsappliedasynchronousautomaticitybriefly
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The history, definition and principal properties of automatic groups and their generalisations to subgroups and cosets are reviewed briefly, mainly from a computational perspective. A result about the asynchronous automaticity of an HNN extension is then proved and applied to an example that was proposed by Mark Sapir.
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