| Date | Speaker(s) | Title |
| 1 Sep 2009 | Anatole Katok, Penn State | Some new problems in elliptic and parabolic dynamics |
| 8 Sep 2009 | Boris Kalinin, University of South Alabama, visiting Penn State | Livshits - type theorems and applications, I. |
| 15 Sep 2009 | Boris Kalinin, University of South Alabama, visiting Penn State | Livshits - type theorems and applications, II. |
| 22 Sep 2009 | Boris Kalinin, University of South Alabama, visiting Penn State | Livshits - type theorems and applications, III. |
| 29 Sep 2009 | Lewis Bowen, Texas A & M University | Entropy in measurable dynamics, I |
| 6 Oct 2009 | Lewis Bowen, Texas A & M University | Entropy in measurable dynamics, II |
| 13 Oct 2009 | Lewis Bowen, Texas A & M University | Entropy in measurable dynamics, III |
| 20 Oct 2009 | Jean-Francois Quint, University of Paris-13 | Measure rigidity for Zariski dense groups, I. |
| 27 Oct 2009 | Jean-Francois Quint, University of Paris-13 | Measure rigidity for Zariski dense groups, II. |
| 3 Nov 2009 | Jean-Francois Quint, University of Paris-13 | Measure rigidity for Zariski dense groups, III. |
| 10 Nov 2009 | Jean-Francois Quint, University of Paris-13 | Measure rigidity for Zariski dense groups, IV. |
| 17 Nov 2009 | Vadim Kaloshin, Penn State | Survey of Arnold diffusion |
| 24 Nov 2009 | | NO SEMINAR, Thanksgiving holiday |
| 1 Dec 2009 | Svetlana Katok, Penn State | Attractors, coding and reduction theory for new general classes of continued fractions, I. |
| 8 Dec 2009 | Svetlana Katok, Penn State | Attractors, coding and reduction theory for new general classes of continued fractions, II. |