## Haomin WenMath PhD Student Department of Mathematics, University of Pennsylvania Office: DRL 3N2D Office Hours: 2:30 pm - 4:30 pm on Mondays, or by appointment Email: weh at math.upenn.edu |

I am a fifth year Phd student mainly interested in Differential
Geometry, graduating this year. My advisor is Christopher Croke. I am going to visit Max Planck Institude of Mathematics at Bonn for a year. After that, I will have a postdoc position at Notre Dame for three year, starting in Fall 2015. Here is my CV.

2011 Spring - Math 240 Calculus

2011 Summer 1 - Math 114 Calculus

2011 Fall - Math 115 Calculus

2012 Spring - Math 170 Calculus

2013 Fall - Math 202 Proving Things: Analysis

2013 Fall - Math 504 Graduate Proseminar in Math

2014 Spring - Math 241 Calculus

2014 Spring - Math 505 Graduate Proseminar in Math

- May 2014
Carlitz-Zippin Prize (for best thesis)

- Sep 2009 - Now
Benjamin Franklin Fellowship.

- 1. "Lipschitz minimality of the multiplication maps of unit complex, quaternion and octonion numbers." Algebraic & Geometric Topology 14 (2014): 407-420. [pdf]

- 2. "On monotonicity of some combinatorial sequences" (with Qing-Hu Hou and Zhi-Wei Sun), to appear. [pdf]

- 3. "Simple Riemannian surfaces are scattering rigid", preprint. [pdf]

- Oct 16, 2013
Scattering rigidity via knot theory. Geometry Luncheon Seminar, Pennsylvania State University. [pdf]

- April 28, 2013
Scattering rigidity versus lens rigidity. Workshop on minimal surfaces and 3-manifold topology, Massachusetts Institute of Technology. [pdf]

Math 114