Jun 23 – 27, 2025
Institut Henri Poincaré
Europe/Paris timezone

Degenerations in convex projective geometry and non-archimedean ordered fields

Jun 26, 2025, 2:30 PM
1h
Amphithéâtre Hermite (Institut Henri Poincaré)

Amphithéâtre Hermite

Institut Henri Poincaré

11 rue Pierre et Marie Curie 75005 Paris

Speaker

Anne Parreau (Université Grenoble-Alpes)

Description

I will explain how convex projective geometry over ordered
non-archimedean fields may be used to study large scale properties of
individual real Hilbert geometries and degenerations of convex
projective actions. For example, by studying the case of polytopes,
we obtain an explicit description of the asymptotic cones
of real polytopes.

This is joint work with Xenia Flamm.

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