Photo by S. Cho

- When are radicals of Lie groups lattice-hereditary?
- New York J. Math. 21 (2015), 321-331 [arXiv:1501.04216]
- Two surfaces in D
^{4}bounded by the same knot - J. Symplectic Geometry 9 (2011), 119-122 [arXiv:1007.3562]

In Fall 2012 I passed my topic exam, on Thurston's geometries and hyperbolic geometry, under the supervision of Benson Farb. The proposal is here.

- Classification and examples of 5-dimensional geometries
- 2015 Oct 15 at Binghamton University (G/T seminar)
- 2015 Sep 14 at the University of Tennessee, Knoxville (T/G seminar)
- 2015 Jun 15 at the Workshop in Geometric Topology (Texas Christian University)
- 2016 Apr 7 in the FFSS student geometry seminar (U. of Chicago)

- The classification of whatever
- 2016 May 11 in the student Pizza Seminar (U. of Chicago)
- Relativity
- 2016 Mar 9 in the student Pizza Seminar (U. of Chicago)
- What is a quasicrystal?
- 2014 Oct 15 in the student Pizza Seminar (U. of Chicago)
- Thurston's Model Geometries
- 2013 Feb 7 in the FFSS student geometry seminar (U. of Chicago)
- Musical tuning and continued fractions
- 2012 Dec 5 in the student Pizza Seminar (U. of Chicago)

- In the 2015-2016 school year, I taught section 24 of Math 13100 and 13200 (Elementary Functions and Calculus).
- In the 2014-2015 school year, I taught section 26 of Math 13100 and 13200 (Elementary Functions and Calculus).
- In the 2013-2014 school year, I taught section 42 of Math 13100-13200-13300 (Elementary Functions and Calculus).
- In the 2012-2013 school year, I was a College Fellow for Math 25700-25800-25900 (Basic Algebra (Honors)).

I'm a fifth-year graduate student in mathematics, interested in actions of Lie groups on manifolds.

5734 S. University Avenue

Chicago, IL 60637-1514

USA

Chicago, IL 60637-1514

USA

ageng@math.uchicago.edu | |

Office | E14 in Eckhart basement |

Advisor | Benson Farb |