Math @ Duke

Hangjun Xu, Graduate Student
Please note: Hangjun has left the Mathematics department at Duke University; some info here might not be up to date.  Contact Info:
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
 Curriculum Vitae
 Recent Publications
 H. Xu, Uniformly Area Expanding Flows in Spacetimes (theis, Duke University)
(April, 2014) [Xu_duke_0066D_12371.pdf]
 Selected Outreach Activities
 Academic Outreach Visit, February, 2007, University of Washington, Seattle
 Selected Talks
 Inverse Mean Curvature Vector Flows in Spacetimes, April 25, 2014, Duke University Graduate/Faculty Seminar [video.html]
 An Algorithm for Comparing Similarity Between Two Trees: Edit Distance with Gaps, April 7, 2014, D344 LSRC, Duke University [available here] [M.S. Defense Presentation Scripts] [M.S. Defense Presentation Slides]
 Inverse Mean Curvature Vector Flows in Spacetimes, April 1, 2014, Social Sciences 228, Duke University [Ph.D. Defense Presentation]
 Constant Mean Curvature Surface in Asymptotically Flat Manifolds, April 5, 2013, Duke University Graduate/Faculty Seminar [video.html] [1. Talk Notes] [2. Foliation in Schwarzschild Manifold by Stable CMC Spheres, PDF] [3.Variation of Surfaces along Normal Direction, PDF]
 Applications of Jacobi Field Estimates on Topology and Curvature, November 20, 2011, Duke University Morse Theory Seminar [Talk Notes]
 Path Space and Variation of Energy, October 23, 2011, Duke University Morse Theory Seminar [Talk Notes]
 The Automorphism Group of a Compact Hyperbolic Riemann Surface is Finite, April 19, 2011, Duke University Algebraic Topology Seminar [Talk Notes]
 Harmonic Map and its Applications, June 22, 2010, Zhejiang University Differential Geometry Seminar [news.asp]


dept@math.duke.edu
ph: 919.660.2800
fax: 919.660.2821
 
Mathematics Department
Duke University, Box 90320
Durham, NC 277080320

