One Variable Equations in Torsion-Free Hyperbolic Groups


الملخص بالإنكليزية

Let $Gamma$ be a torsion-free hyperbolic group. We show that the set of solutions of any system of equations with one variable in $Gamma$ is a finite union of points and cosets of centralizers if and only if any two-generator subgroup of $Gamma$ is free.

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