Raphael Appenzeller
I am interested in all sorts of phenomena associated to geometry of non-positive curvature. My work includes affine buildings, symmetric spaces, geometric group theory etc.
My personal webpage lives here, but it might currently only be accessible from the Heidelberg university network.
Publications and Preprints
- Morphisms of generalized affine buildings, joint with Xenia Flamm, Victor Jaeck. arXiv:2601.04130, 2026.
- Flat subsets of Euclidean buildings, joint with Auguste Hébert, Alexander Lytchak. arXiv:2512.11658, 2025.
- Cops and robbers for hyperbolic and virtually free groups, joint with Kevin Klinge. arXiv:2502.04540, 2025.
- Semialgebraic groups and generalized affine buildings, doctoral thesis. arXiv:2407.20406, 2024.
- An incomplete real tree with complete segments, joint with Luca De Rosa, Xenia Flamm, Victor Jaeck. Innov. Incidence Geom. 21:35-44, 2024.
- (In)dependence of the axioms of Λ-trees, Analysis and Geometry in Metric Spaces, 21(1):20230106 🔓, 2024.
More links
3D-printing, thingiverse
Last update on Jan 9, 2026 at 13:36 UTC
