On finite state automaton actions of HNN extensions of free abelian groups
Array
DOI:
https://doi.org/10.15330/cmp.13.1.180-188Keywords:
automaton group, automorphism of rooted tree, HNN extensionAbstract
HNN extensions of free abelian groups are considered. For arbitrary prime $p$ it is introduced a class of such extensions that act by finite automaton permutations over an alphabet $ \mathsf{X} $ of cardinality $p$ and belong to $p$-Sylow subgroup of the group of automaton permutations over such $ \mathsf{X} $. As a corollary it implies that all corresponding HNN extensions are residually $p$-finite.
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Published
2021-06-28
How to Cite
(1)
Prokhorchuk, V. On Finite State Automaton Actions of HNN Extensions of Free Abelian Groups: Array. Carpathian Math. Publ. 2021, 13, 180-188.
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Scientific articles