## Abstract

Let Γ be an infinite discrete subgroup of Gl_{n}(C). Then either (R, <, +, ·, Γ) is interdefinable with (R, <, +, ·, λ^{Z}) for some real number λ, or (R, <, +, ·, Γ) defines the set of integers. When Γ is not virtually abelian, the second case holds.

Original language | English (US) |
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Pages (from-to) | 2221-2233 |

Number of pages | 13 |

Journal | Proceedings of the American Mathematical Society |

Volume | 149 |

Issue number | 5 |

DOIs | |

State | Published - May 2021 |

## ASJC Scopus subject areas

- General Mathematics
- Applied Mathematics

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