Xenia Flamm

collaborators

3 papers

math.GR2026

Morphisms of generalized affine buildings

Raphael Appenzeller, Xenia Flamm, Victor Jaeck

We define a notion of morphism for generalized affine buildings, also known as affine $Λ$ -buildings, extending existing definitions and giving rise to a category of generalized aff…

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…

math.DG2022

Proceedings of the Young Researchers Workshop on Positivity in Lie Groups

Xenia Flamm, Arnaud Maret

These notes transcribe a workshop about the notion of total positivity and $Θ$ -positivity and its relation to Higher Teichmüller Theory. $Θ$ -positivity is a notion of positivity in…