Office Location: | 037 Physics |

Email Address: | |

Starting Year: |
2009 |

Mentor(s): |
Richard M Hain |

Advisor(s): |
Hubert Lewis 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 (Defended on April 1, 2014) Duke University 2014 M.S. in Computer Science (Defended on April 7, 2014) 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 Algorithms

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

- H. Xu,

**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]*Inverse Mean Curvature Vector Flows in Spacetimes*, April 1, 2014, Social Sciences 228, Duke University*Constant Mean Curvature Surface in Asymptotically Flat Manifolds*, April 5, 2013, Duke University Graduate/Faculty Seminar [video.html]*Applications of Jacobi Field Estimates on Topology and Curvature*, November 20, 2011, Duke University Morse Theory Seminar*Path Space and Variation of Energy*, October 23, 2011, Duke University Morse Theory Seminar*The Automorphism Group of a Compact Hyperbolic Riemann Surface is Finite*, April 19, 2011, Duke University Algebraic Topology Seminar*Harmonic Map and its Applications*, June 22, 2010, Zhejiang University Differential Geometry Seminar [news.asp]

**Recent Grant Support***Graduate Student Summer Research Fellowship*, Duke University, 2012/05-2012/08.