The 𝑅∞-property for nilpotent quotients of Baumslag–Solitar groups

Author:

Dekimpe Karel1,Lima Gonçalves Daciberg2

Affiliation:

1. KU Leuven Campus Kulak Kortrijk, E. Sabbelaan 53, 8500Kortrijk, Belgium

2. Departamento de Matemática–IME–USP, Universidade de São Paulo, São Paulo, Brazil

Abstract

AbstractA group G has the {R_{\infty}}-property if the number {R(\varphi)} of twisted conjugacy classes is infinite for any automorphism φ of G. For such a group G, the {R_{\infty}}-nilpotency degree is the least integer c such that {G/\gamma_{c+1}(G)} still has the {R_{\infty}}-property. In this paper, we determine the {R_{\infty}}-nilpotency degree of all Baumslag–Solitar groups.

Funder

Fundação de Amparo à Pesquisa do Estado de São Paulo

Publisher

Walter de Gruyter GmbH

Subject

Algebra and Number Theory

Reference34 articles.

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