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Alessandro Sisto (Heriot-Watt University)
Tuesday 02 September 2025, 10:15-11:15
Drilling hyperbolic groups
⚠️ Important: OGGW02 - Actions on graphs and metric spaces
- 👤 Speaker: Alessandro Sisto (Heriot-Watt University)
- 📅 Date & Time: Tuesday 02 September 2025, 10:15 - 11:15
- 📍 Venue: Seminar Room 1, Newton Institute
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Abstract
I will discuss a group-theoretic procedure that simulates the effect at the level of the fundamental group of removing a closed geodesic from a hyperbolic 3-manifold, and can be thought of as the inverse procedure of peripheral filling for relatively hyperbolic groups. The main application will be establishing a connection between two versions of Cannon’s Conjecture, and I will try to argue that one of them should be less hard than the other one. Joint work with D. Groves, P. Haissinsky, J. Manning, D. Osajda, and G. Walsh.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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