## Talks and Notes

### Talks

- K3 Surfaces with S
_{4} Symmetry (Advanced Version)
- Number Theory and Physics at the Crossroads, Banff International Research Station, May 2011
- K3 Surfaces with S
_{4} Symmetry
- Valley Geometry Seminar, November 2010
- Polytopes, Polynomials, and String Theory
- Mathfest, August 2010
- Mirror Symmetry Through Reflexive Polytopes: Physical and Mathematical Dualities
- Claremont Colloquium, April 2010
- Reflexive Polytopes and Mirror Symmetry
- Undergraduate Colloquium, Seattle University, January 2009

### Notes

- "Boundary Conditions"
- A poem about Sophie Germain. To appear in
*The College Mathematics Journal*.
- From Polygons to String Theory
- Toric Varieties and Lattice Polytopes
- String Theory and Mathematics Workshop
- Notes from a SIMUW workshop for mathematically talented high school
students.

Ursula Whitcher