MONDAY, JANUARY 31

COLLOQUIUM: (E. Urban, M.T. Wang)
Mikhail Khovanov (U.C. Davis)
"Link homology"
4:00 p.m., 507 Math.
NOTE: TIME, DAY AND LOCATION: Tea will be served at 3:30 p.m., 508 Math.

Physics Colloquium:
Yale Goldman (University of Pennsylvania)
"Manipulating and interrogating molecular motors, nature's soft, smart nano-machines"
4:15 p.m., 428 PUPIN HALL
Coffee served at 3:30 on the 7th floor hall, 705 PUPIN HALL.

Applied Mathematics Colloquium:
Howard Stone (Harvard)
"The reciprocal theorem as a way to get something for (almost) nothing:
(I) The mobility of membrane-trapped particles and
(II) The normal force in sliding lubricationwith soft materials"
2:45 p.m., 214 Mudd

Junior Colloquium: (A. Kontorovich)
John W. Morgan
"Using a heat-flow type equation to understand the topology of 3-manifolds"
6:00 p.m., 507 Math.

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Rick Klotz (Greenwich Capital)
"U.S. fixed income markets (continued)"
7:40-9:00 p.m., 207 Math.

WEDNESDAY, FEBRUARY 2

Special Seminar: (D. Bayer)
Dylan Thurston (Harvard)
"How efficiently do 3-manifolds bound 4-manifolds?"
11:00 a.m., 622 Math.

Special Seminar: (M. Thaddeus)
Anders Buch (Aarhus)
"Formulas for quiver varieties"
1:30 p.m., 507 Math.

COLLOQUIUM: (E. Urban, M.T. Wang)
Kefeng Liu (U.C.L.A.)
"Localization and string duality"
4:15 p.m., 520 Math.
Tea will be served at 3:45 p.m., 508 Math.

THURSDAY, FEBRUARY 3

Geometry and Analysis: (M.T. Wang, M.P. Tsui)
Kefeng Liu (UCLA)
"Geometric aspects of the moduli space of Riemann surfaces"
4:30 p.m., 507 Math.

Special Lecture:
John Etnyre (Penn)
"Invariants of embeddings via contact geometry"
5:30 p.m., 507 Math

Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (D. Goldfeld, V. Kolyvagin, P. Sarnak,  L. Szpiro)
Arthur Ogus (UC, Berkeley)
"Nonabelian Hodge theory in characteristic p"
CUNY Graduate Center, 5:30-7:00 p.m.,
TEA: 5:00-5:30 served in Room C198, C-level: one floor down from lobby.

FRIDAY, FEBRUARY 4

Probability: (P. Bank)
Charuhas Pandit (Morgan Stanley)
"Robust statistical modeling using moment classes"
11:00 a.m., 520 Math
Coffee and tea will be served at 10:30 a.m., 508 Math.

DOUBLE HEADER l: Geometric Topology:  (C. Leininger)
Jennifer Schultens (U.C., Davis)
"Thin position of knots and 3-manifolds"
11:00 a.m., 507 Math.

DOUBLE HEADER Il: Geometric Topology:  (C. Leininger)
Michael Kapovich (U.C., Davis)
"Generalized triangle inequalities with applications to algebraic groups"
1:15 p.m., 507 Math.