The additive group of the rationals does not have an automatic presentation
2011 ◽
Vol 76
(4)
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pp. 1341-1351
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AbstractWe prove that the additive group of the rationals does not have an automatic presentation. The proof also applies to certain other abelian groups, for example, torsion-free groups that are p-divisible for infinitely many primes p, or groups of the form ⊕pϵIZ(p∞), where I is an infinite set of primes.
1985 ◽
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2018 ◽
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1990 ◽
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1986 ◽
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2017 ◽
Vol 22
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pp. 1-5