April 14, 2025 to July 11, 2025
IHP
Europe/Paris timezone

Transverse spheres in flag manifolds

Jun 12, 2025, 4:00 PM
1h
Amphitheater Darboux (IHP)

Amphitheater Darboux

IHP

11, Rue Pierre et Marie Curie 75005 Paris

Speaker

Max Riestenberg (MPI MiS Leipzig)

Description

Recent results provide many flag manifolds whose transverse subsets cannot properly contain circles, which then restricts the corresponding class of Anosov subgroups. We complement those results by providing transverse 2-spheres (or larger) in all remaining cases of partial flag manifolds of split real Lie groups. We also find arbitrarily large maximally transverse spheres in certain full flag manifolds of split groups. This is joint work with Parker Evans.

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