Group Actions and Dynamics Seminar: Difference between revisions
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== Fall Abstracts == | |||
===Caglar Uyanik=== | |||
Cannon and Thurston showed that a hyperbolic 3-manifold that fibers over the circle gives rise to a sphere-filling curve. The universal cover of the fiber surface is quasi-isometric to the hyperbolic plane, whose boundary is a circle, and the universal cover of the 3-manifold is 3-dimensional hyperbolic space, whose boundary is the 2-sphere. Cannon and Thurston showed that the inclusion map between the universal covers extends to a continuous map between their boundaries, whose image is dense. In particular, any measure on the circle pushes forward to a measure on the 2-sphere using this map. We compare several natural measures coming from this construction. | |||
===Dongryul Kim=== | |||
===Harrison Bray=== | |||
===Matthew Durham=== | |||
== Spring 2025 == | |||
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Revision as of 15:18, 18 May 2024
During the Fall 2024 semester, RTG / Group Actions and Dynamics seminar meets in room B325 Van Vleck on Mondays from 2:25pm - 3:15pm. To sign up for the mailing list send an email from your wisc.edu address to dynamics+join@g-groups.wisc.edu. For more information, contact Paul Apisa, Marissa Loving, Caglar Uyanik, Chenxi Wu or Andy Zimmer.
Fall 2024
| date | speaker | title | host(s) |
|---|---|---|---|
| September 9 | Caglar Uyanik (UW) | Cannon-Thurston maps, random walks, and rigidity | local |
| September 16 | Dongryul Kim (Yale) | TBA | Uyanik |
| September 23 | Harrison Bray (George Mason) | TBA | Zimmer |
| October 28 | Matthew Durham (UC Riverside) | TBA | Loving |
Fall Abstracts
Caglar Uyanik
Cannon and Thurston showed that a hyperbolic 3-manifold that fibers over the circle gives rise to a sphere-filling curve. The universal cover of the fiber surface is quasi-isometric to the hyperbolic plane, whose boundary is a circle, and the universal cover of the 3-manifold is 3-dimensional hyperbolic space, whose boundary is the 2-sphere. Cannon and Thurston showed that the inclusion map between the universal covers extends to a continuous map between their boundaries, whose image is dense. In particular, any measure on the circle pushes forward to a measure on the 2-sphere using this map. We compare several natural measures coming from this construction.
Dongryul Kim
Harrison Bray
Matthew Durham
Spring 2025
| date | speaker | title | host(s) |
|---|---|---|---|
| April 21 | Mladen Bestvina (Utah) | TBA | Uyanik |
| April 28 | Inanc Baykur (UMass) | TBA | Uyanik |
Archive of past Dynamics seminars
2023-2024 Dynamics_Seminar_2023-2024
2022-2023 Dynamics_Seminar_2022-2023
2021-2022 Dynamics_Seminar_2021-2022
2020-2021 Dynamics_Seminar_2020-2021