Sam Tertooy

activity

20172026

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math.GR2023

Extreme Reidemeister spectra of finite groups

Sam Tertooy

We extend the notions of " $R_{\infty}$ -property" and "full (extended) Reidemeister spectrum" to finite groups in a meaningful way. We provide examples of finite groups admitting thes…

math.GR2023

Twisted conjugacy and separability

Sam Tertooy

A group $G$ is twisted conjugacy separable if for every automorphism $φ$ , distinct $φ$ -twisted conjugacy classes can be separated in a finite quotient. Likewise, $G$ is completely…