Andrew Geng (archived) (source)

Research

Papers

When are radicals of Lie groups lattice-hereditary?

New York J. Math. 21 (2015), 321-331 [arXiv:1501.04216]

Two surfaces in D⁴ bounded by the same knot

J. Symplectic Geometry 9 (2011), 119-122 [arXiv:1007.3562]

Not for publication

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.

Talks

Seminar and conference talks

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)

Expository

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)

Teaching

• 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)).

Links

• Shmuel Weinberger's "Topological Topics" course.
• Links I kept around in my first year.

About me

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