SPECIAL Columbia Discrete Math Seminar:  (D. Bayer, M. Chudnovsky)
Ron Aharoni (The Technion)
"A topological version of Hall's theorem"
4:00 p.m., 622 Math
The location of the seminar will alternate between 317 Mudd and 622 Math.

Physics Colloquium:
Patrick A. Lee (MIT)
"Quantum spin liquid; from drought to deluge"
4:15 p.m., 428 PUPIN HALL

Special Probability: (I. Karatzas)
Julien Dubedat (Chicago)
“ SLE partition functions"
11:30 a.m., 507 Math.

Colloquium: (M.T. Wang, E. Urban, P. Daskalopoulos)
Conan Leung (Chinese University of Hong Kong)
"Geometry of special holonomy"
5:00 p.m., 520 Math. Tea will be served at 4:30 p.m., 508 Math

Special Applied Mathematics Talk: (C. Wiggins)
Speaker: TBA
Title: TBA
11:00 a.m., Sindeband East/414 CEPSR

Probability - Three Part Mini-Course on Stochastic Analysis via Rough Paths: (I. Karatzas)
Peter Friz (Cambridge)
Part Two of a Three Part Series-Concludes 4/1.
1:10-2:25 p.m., 307 Math.

DOUBLE HEADER 1: Geometry and Analysis: (Z. Hou, N. Sesum)
Simon Brendle (Stanford)
"A sufficient condition for the convergence of the Ricci flow in higher dimensions"
3:00 p.m., 507 Math.  Tea will be served at 4:00 p.m., 508 Math

Ellis R. Kolchin Memorial Lectures
Constantin Teleman (Berkeley)
"Representatiions of Groups Over the Category of Vector Spaces"
4:00 p.m., 312 Math.
Tea will be served at 3:30 p.m., 508 Math.

DOUBLE HEADER II: Geometry and Analysis: (Z. Hou, N. Sesum)
Lydia Bieri (Harvard)
"An extension of the stability theorem of the Minkowski space in general relativity"
4:30 p.m., 507 Math.

Joint COLUMBIA-CUNY-NYU (Rotating among the 3 Universities)
Number Theory (D. Goldfeld, V. Kolyvagin,  L. Szpiro, Y. Tschinkel,  A. Venkatesh,  S. Zhang)
Julia Wolf  (IAS)
Title: TBA
Room 1314: 5:30-7:00 p.m., NYU, Courant Institute 13th Floor
Tea will be served in the Math Lounge on the 13th floor at 5:00 p.m.

Mathematics of Finance Practitioners Seminar: (M. Smirnov)
Mark Kritzman, (Windham Capital)
"Optimal rebalancing for institutional portfolios"
7:40-9:00 p.m., 207 Math.

FRIDAY, MARCH 28

DOUBLE HEADER 1: Probability: (I. Karatzas)
Eckhard Platen (Sydney)
"The law of the minimal price"
10:00 a.m., 903 SSW Bldg (1255 Amsterdam Avenue-btwn. 121st & 122nd Street)
Room 903, 9th Floor in the School of Social Work
Coffee and tea will be served at 9:30 a.m., Statistics Departmental Lounge on the 10th floor of that building.

DOUBLE HEADER II: Probability: (I. Karatzas)
Peter Friz (Cambridge)
"Malliavin calculus and rough paths: Applications to Hoermander theory and stochastic PDEs"
11:00 a.m., 903 SSW Bldg (1255 Amsterdam Avenue-btwn. 121st & 122nd Street)
Room 903, 9th Floor in the School of Social Work

Symplectic Geometry and Gauge Theory: (C. Manolescu, D. McDuff,  P.S. Ozsváth, R. Lipshitz)
David Nadler (Northwestern)
"Springer theory for symplectic geometers"
1:00 p.m., 507 Math.

Samuel Eilenberg Lectures:
NO SEMINAR THIS WEEK.

Geometric Topology:  (D. Thurston)
Tim Cochran (Rice)
"Derivatives of knots and second-order signatures"
2:15 p.m., NOTE THE NEW LOCATION FOR THE REMAINDER OF THE SEMESTER - 312 Math.

Samuel Eilenberg Lectures:
Charles L. Fefferman (Columbia & Princeton)
“Whitney Extension Problems and Interpolation"
3:30-5:30 p.m., 312 Math.
Tea will be served at 3:00 p.m., 508 Math.