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Preprint Number 1463

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1463. Olga Kharlampovich, Alexei Myasnikov, Rizos Sklinos
Fraïssé limits of limit groups

Submission date: 21 July 2018


We modify the notion of a Fraïssé class and show that various interesting classes of groups, notably the class of nonabelian limit groups and the class of finitely generated elementary free groups, admit Fraïssé limits. Furthermore, we rediscover Lyndon's Z[t]-exponential completions of countable torsion-free CSA groups, as Fraïssé limits with respect to extensions of centralizers.

Mathematics Subject Classification: 03C60

Keywords and phrases:

Full text arXiv 1807.08131: pdf, ps.

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