I am an assistant professor of mathematics at Columbia. I am also currently participating in the semester program on knot homologies at MSRI.

• Research
  • Slides from talks
• Teaching
  • Fall 2009:
    • Math V1201: Calculus III.
    • Math W4051: Topology.
  • Fall 2008:
    • Math V2020: Honors Linear Algebra.
    • Math W4051: Topology.
  • Fall 2006: Math V2010: Linear Algebra (homepage is on Courseworks).
  • Student papers.
• Seminar web pages:
  • Columbia's Symplectic Geometry and Gauge Theory Seminar's web page.
  • Columbia's Informal Symplectic Geometry Seminar's web page.
• Advice
  • Reading and writing mathematics on the Macintosh.
  • Graduate fellowships in mathematics.
• My previous webpage (no longer maintained).

External links:

• Advice for amateur mathematicians on writing mathematics. (From Henry Cohn of Microsoft Research.)