Hello, my name is: Stephen C. Preston.
This is an old web site. I was a lecturer in the
Mathematics Department at the
University of Pennsylvania until 2005. I am now at the University of Colorado at Boulder.
Teaching:
Extracurricular activities:
I was the faculty advisor for the math club, Pi Mu Epsilon.
Papers:
- `Eulerian and Lagrangian stability of fluid motions,' doctoral dissertation.
- `For ideal fluids, Eulerian and Lagrangian instabilities are equivalent,' GAFA, volume 14, no. 5.
- `Nonpositive curvature on the area-preserving diffeomorphism group,' J. Geom. Phys., volume 53, no. 2.
- `Singularities of the exponential map on the volume-preserving diffeomorphism group,' with David G. Ebin and Gerard Misiolek, to appear in GAFA.