## Geometry/Topology Seminar Schedule

Please see the following for more related talks:
The Geometry/Topology seminar is organized this academic year (2017-2018) by Ákos Nagy and Michael Abel

**Upcoming Seminars:**
- Monday, October 22, 2018, 3:15pm, 119 Physics, Triangle Topology Seminar

*TBA*

Thomas Mark (University of Virginia, Mathematics)
- Monday, October 29, 2018, 3:15pm, 119 Physics, Geometry/topology Seminar

*Hyperbolic structures on wreath products*

Sahana Balasubramanya (UNC Greensboro)
- The poset of hyperbolic structures on a group G is still very far from being understood and several questions remain unanswered. In this talk, I will speak about some new results that describe hyperbolic structures on the wreath product Gwr Z, for any group G. As a consequence, I answer two open questions regarding quasi-parabolic structures: I will give an example of a group G with an uncountable chain of quasi-parabolic structures and give examples of groups that have finitely many quasi-parabolic structures.

- Tuesday, October 30, 2018, 3:15pm, 119 Physics, Geometry/topology Seminar

*Augmentations and sheaves for knot conormals*

Honghao Gao (Institut Fourier)
- Knot invariants can be defined using Legendrian isotopy invariants of the knot conormal. There are two types of invariants raised in this way: one is the knot contact differential graded algebra together with augmentations associated to this dga, and the other one is the category of simple sheaves microsupported along the knot conormal. The Nadler-Zaslow correspondence suggests a connection between the two types of invariants. In this talk, I will manifest an explicit map between augmentations and simple sheaves.

- Monday, November 5, 2018, 3:15pm, 119 Physics, Triangle Topology Seminar

*TBA*

Hannah Schwartz (Bryn Mawr College, Mathematics)
- Monday, November 12, 2018, 3:15pm, 119 Physics, Geometry/topology Seminar

*TBA*

David Duncan (James Madison University, Mathematics)
- TBA

- Monday, November 19, 2018, 3:15pm, 119 Physics, Geometry/topology Seminar

*TBA*

Ina Petkova (Dartmouth College, Mathematics)
- Monday, November 26, 2018, 3:15pm, 119 Physics, Triangle Topology Seminar

*TBA*

Lisa Piccirillo (University of Texas, Austin, Mathematics)
- Monday, December 3, 2018, 3:15pm, 119 Physics, Geometry/topology Seminar

*TBA*

Curtis Porter (NCSU, Mathematics)
- TBA

### Geometry and Topology at Duke

More information about geometry and topology at Duke can be obtained by consulting the pages:

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