Victor Jaeck

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20222026

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math.GT2024

Real spectrum and oriented Gromov equivariant compactifications of character varieties

Victor Jaeck

The character variety $Ξ$ of a finitely generated group $Γ$ in $PSL_{2} (R)$ has many compactifications. We construct a continuous surjection from the real spectrum…

math.GT2022

An incomplete real tree with complete segments

Raphael Appenzeller, Luca De Rosa, Xenia Flamm +1

Let $F$ be the field of real Puiseux series and $T_{F}$ the $Q$ -tree defined by Brumfiel. We show that completing all the segments of $\mathcal{T…