Symmetries of Parabolic Geometries

Abstract

We generalize the concept of affine locally symmetric spaces for parabolic geometries. We discuss mainly $|1|$--graded geometries and we show some restrictions on their curvature coming from the existence of symmetries. We use the theory of Weyl structures to discuss more interesting $|1|$--graded geometries which can carry a symmetry in a point with nonzero curvature. More concretely, we discuss the number of different symmetries which can exist at the point with nonzero curvature.

References in corpus (1)

• Two constructions with parabolic geometries

Cited by in corpus (5)

• General construction of symmetric parabolic structures
• Parabolic Symmetric Spaces
• Symmetries of parabolic contact structures
• Notes on symmetric conformal geometries
• C-projective symmetries of submanifolds in quaternionic geometry