Hangjun Xu, Graduate Student

Office Location:	037 Physics
Email Address:
Starting Year:	2009
Mentor(s):	Richard Hain
Advisor(s):	Hubert Bray

Typical Courses Taught:

• MATH 111L, LABORATORY CALCULUS I

• MATH 122L, INTRO CALCULUS II WITH APPLICA

• MATH 32L, LABORATORY CALCULUS II

• MATH 25L, LAB CALC/FUNCTIONS I

• MATH 107, LINEAR ALGEBRA & DIFF EQUATION

• MATH 25L, LAB CALC/FUNCTIONS I

• Math 31L.01L, Laboratory Calculus I/Lab Assistant

  The Instructor is Professor Lewis D Blake

Education:

Ph.D. in Mathematics	Duke University (advisor: Hubert Bray)	2014
M.S. in Computer Science	Duke University (advisor: Pankaj K. Agarwal)	2014
B.S. Honors in Pure and Applied Mathematics	Zhejiang University (advisor: Weimin Sheng)	2009

Specialties:

Geometry

Research Interests: Differential Geometry and Geometric Analysis

Areas of Interest:

-Geometric PDE, Analysis on Manifolds
-Interplay Between Geometry, Topology and Analysis
-Geometric and Data Mining Algorithms

Recent Publications

1. H. Xu, Uniformly Area Expanding Flows in Spacetimes (theis, Duke University) (April, 2014) [Xu_duke_0066D_12371.pdf]

Selected Outreach Activities

1. Academic Outreach Visit, February, 2007, University of Washington, Seattle    

Selected Talks

1. Inverse Mean Curvature Vector Flows in Spacetimes, April 25, 2014, Duke University Graduate/Faculty Seminar [video.html]    
2. An Algorithm for Comparing Similarity Between Two Trees: Edit Distance with Gaps, April 7, 2014, D344 LSRC, Duke University [available here]    
3. Inverse Mean Curvature Vector Flows in Spacetimes, April 1, 2014, Social Sciences 228, Duke University    
4. Constant Mean Curvature Surface in Asymptotically Flat Manifolds, April 5, 2013, Duke University Graduate/Faculty Seminar [video.html]    
5. Applications of Jacobi Field Estimates on Topology and Curvature, November 20, 2011, Duke University Morse Theory Seminar    
6. Path Space and Variation of Energy, October 23, 2011, Duke University Morse Theory Seminar    
7. The Automorphism Group of a Compact Hyperbolic Riemann Surface is Finite, April 19, 2011, Duke University Algebraic Topology Seminar    
8. Harmonic Map and its Applications, June 22, 2010, Zhejiang University Differential Geometry Seminar [news.asp]