THE SIGMA INVARIANTS FOR THE GOLDEN MEAN THOMPSON GROUP

Lewis Molyneux; Brita Nucinkis; Yuri Santos Rego

THE SIGMA INVARIANTS FOR THE GOLDEN MEAN THOMPSON GROUP

Lewis Molyneux, Brita Nucinkis, Yuri Santos Rego

Research output: Contribution to journal › Article › peer-review

Abstract

We use a method of Bieri, Geoghegan and Kochloukova to calculate the BNSR-invariants for the Golden-Mean Thompson’s group. To do so we establish conditions under which the Sigma invariants coincide with those of a subgroup of finite index, addressing a problem posed by Strebel.

Original language	English
Number of pages	15
Journal	New York Journal of Mathematics
Publication status	Accepted/In press - 28 Feb 2024

Access to Document

https://arxiv.org/abs/2309.12213

Cite this

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title = "THE SIGMA INVARIANTS FOR THE GOLDEN MEAN THOMPSON GROUP",

abstract = "We use a method of Bieri, Geoghegan and Kochloukova to calculate the BNSR-invariants for the Golden-Mean Thompson{\textquoteright}s group. To do so we establish conditions under which the Sigma invariants coincide with those of a subgroup of finite index, addressing a problem posed by Strebel.",

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AU - Nucinkis, Brita

AU - Santos Rego, Yuri

PY - 2024/2/28

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AB - We use a method of Bieri, Geoghegan and Kochloukova to calculate the BNSR-invariants for the Golden-Mean Thompson’s group. To do so we establish conditions under which the Sigma invariants coincide with those of a subgroup of finite index, addressing a problem posed by Strebel.

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JO - New York Journal of Mathematics

JF - New York Journal of Mathematics

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