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Large scale conformal maps

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NPCW01 - Non-positive curvature in action

Benjamini and Schramm's work on incidence graphs of sphere packings suggests a notion of conformal map between metric spaces which is natural under coarse embeddings. We show that such maps cannot exist between nilpotent or hyperbolic groups unless certain numerical inequalities hold.

This talk is part of the Isaac Newton Institute Seminar Series series.

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