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math.GR2026
Uniform Upper Bounds for Conjugacy Separability Growth in Nilpotent Groups
Jonas Deré, Lukas Vandeputte
A group is conjugacy separable if every pair of non-conjugate elements remains non-conjugate in some finite quotient. Virtually polycyclic groups, and hence in particular all finit…
math.GR2026
The spectrum of conjugator length functions
Lukas Vandeputte
A recent program tries to find which functions appear as conjugator length functions. In this note, we show that any (computable) increasing function larger than appears as $\m…