| Date | Speaker(s) | Title |
| Tue, 13 Jan 2009 | Kagan Kursungoz | Parity Considerations in Andrews-Gordon Identities, and the $k$-Marked Durfee Symbols |
Tue, 31 Mar 2009 MB216 | Rufus Willett | Ph.D. defense: Band-dominated operators and the stable Higson corona |
| Wed, 8 Apr 2009 | Andriy Gogolyev | "Smooth conjugacy in hyperbolic dynamics" |
| Fri, 10 Apr 2009 | Wing Kai Ho | "On Geodesics of Compact Riemannian Surfaces" |
| Fri, 24 Apr 2009 | Dmitri Scheglov | To Be Announced |
Wed, 29 Apr 2009 MB113 | Lin Zhu | "Slow Entropy Type Invariants" |
| Thu, 7 May 2009 | Min Lu | "Low-density parity-check codes: asymptotic behavior and zeta functions" |
| Tue, 2 Jun 2009 | Dmitri Scheglov | "Absence of mixing for smooth flows on genus two surfaces" |
| Mon, 20 Jul 2009 | Daniele Signori | "Poisson Sigma Models, Reduction and Nonlinear Gauge Theories" |
| Tue, 1 Sep 2009 | Melchior Grutzmann | "Courant Algebroids: cohomology and matched pairs" |
Tue, 17 Nov 2009 106 Sackett Building | Michael Higely | "Stochastic and Deterministic Processes in Fragmentation and Sedimentation" |