Number Theory: (R. Pries, D. Goldfeld, H. Jacquet, S.W. Zhang)
Andrew Kresch (University of Pennsylvania)
"Arithmetic of degree 2 del Pezzo surfaces"
5:30 p.m., 507 Math. Tea will be served at 5:00 p.m., 508 Math.

Theory Group Meeting: (B. Mawhinney, D. Kabat)
Soo-Jong Rey (Institute for Advanced Study & Seoul National University)
"Rolling tachyons and emergent fundamental string"
2:10 p.m., 831 PUPIN HALL

Physics Colloquium:
Roberto Car (Princeton)
"Electron transport with dissipation in molecular wires"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 4th floor hall, PUPIN HALL.

TUESDAY, APRIL 8

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Rick Klotz (Managing Director and Senior Risk Manager, Greenwich Capital)
"Understanding US fixed income market (Mini-course with slide demonstrations)"
7:40-9:00 p.m., 207 Math.

String Theory Group Meeting: (Greene, Kabat)
Speaker: TBA
Title: TBA
2:00 p.m., 908 Pupin.

THURSDAY, APRIL 10

Workshop in Arithmetic Geometry I: (S.W. Zhang)
Speaker: TBA
Title: TBA
10:00-11:00 p.m., 405 Math.

Workshop in Arithmetic Geometry II: (S.W. Zhang)
Speaker: TBA
Title: TBA
2:00-4:00 p.m., 405 Math.

Geometry and Analysis: (R. Hamilton, J. Loftin)
Abbas Bahri (Rutgers)
"Recent progress in conformal geometry"
NOTE: SPECIAL TIME: 2:40-3:40 p.m., 507 Math

Joseph Fels Ritt Lectures: (M. Thaddeus)
Nigel Hitchin (Oxford University)
"Geometry, gerbes and B-fields"
4:30 p.m., 312 Math. Tea will be served at 3:45 p.m., 508 Math.

DOUBLE HEADER I: Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
Ronald Fintushel (Michigan State)
"Lagrangian surfaces in 4-manifolds"
10:45 a.m., 507 Math.

DOUBLE HEADER I: Probability: (T. Hayashi)
Jonathan C. Mattingly (Duke (now visiting Princeton)
"Stochastic Navier-Stokes equations: Ergodicity, scale, Malliavin calculus"
11:00-12:15 p.m., 520 Math.
Tea and Coffee will be served at 10:30 a.m., 621 Math.

DOUBLE HEADER II: Geometric Topology:  (J. Birman, W. Neumann, I. Kofman)
David Gay (Arizona)
"Trying to make 4-manifolds as symplectic as possible"
1:15 p.m., 507 Math.

DOUBLE HEADER II: Probability: (T. Hayashi)
Hans Foellmer (Humboldt University of Berlin)
"Robust preferences and convex risk measures"
1:30 p.m., 203 Math.

ISCAP: (B. Greene, T. Baltz)
Koenraad Schalm (Columbia)
"Holography and cosmology"
2:00 p.m., 908 PUPIN HALL.

Zeta Functions and Eisenstein Series: (H. Jacquet)
Speaker: TBA
Title: TBA
2:30-5:00 p.m., 528 Math.

Algebraic Geometry:  (R. Friedman, M. Thaddeus)
Ko Honda (USC)
"Knots and contact geometry"
NOTE SPECIAL TIME: 3:00 p.m., 507 Math.

Joseph Fels Ritt Lectures: (M. Thaddeus)
Nigel Hitchin (Oxford University)
"Geometry, gerbes and B-fields"
4:30 p.m., 312 Math. Tea will be served at 3:45 p.m., 508 Math.