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math.GR2025
Combination theorems in convex projective geometry
Jeffrey Danciger, François Guéritaud, Fanny Kassel
We prove a general combination theorem for discrete subgroups of preserving properly convex open subsets in the projective space $\mathbb{P}(\mathbb{R}…
math.GR2024
Convex cocompactness for Coxeter groups
Jeffrey Danciger, François Guéritaud, Fanny Kassel +2
We investigate representations of Coxeter groups into as geometric reflection groups which are convex cocompact in the projective space $\mathbb{P}(\mat…