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math.GT2026
Convex projective manifolds, symmetric spaces and geometric decompositions
Stefano Riolo, Andrea Seppi, Leone Slavich
We prove that if a closed, indecomposable, properly convex real projective -manifold is geometric or admits a geometric decomposition in the sense of Thurston, then every piece…
math.GT2023
The Anti-de Sitter proof of Thurston's earthquake theorem
Farid Diaf, Andrea Seppi
Thurston's earthquake theorem asserts that every orientation-preserving homeomorphism of the circle admits an extension to the hyperbolic plane which is a (left or right) earthquak…
math.GT2020
On the diffeomorphism type of Seifert fibered spherical 3-orbifolds
Mattia Mecchia, Andrea Seppi
It is well known that, among closed spherical Seifert three-manifolds, only lens spaces and prism manifolds admit several Seifert fibrations which are not equivalent up to diffeomo…