New York University

The Mathematics Colloquium offers survey talks in mathematics and related fields. A colloquium talk offers a broad overview for a general mathematical audience rather than technical details for specialists.

The colloquium meets
on **Mondays **at 3:45 p.m. in room 1302
of Warren Weaver Hall at 251 Mercer Street, New York.

Colloquium Tea
Preceding Talks 3:15-3:45 pm in the lounge (13th floor).

Spring
2015 Colloquia

**Abstract:
"Some aspects
of realization spaces of polytopes"**Monday, January 26 at 3:45 P.M.

Karim Adiprasito, IHES and Hebrew U. of Jerusalem

* Abstract*:

Jon Keating, Bristol

__Abstract__:
*"Self-Replication, Exponential Growth, Selection
and Competition in Artificial Systems**"*

Paul Chaikin, NYU

Monday, February 9 at 3:45 P.M.

**Abstract:
"Fibrations in rational surfaces and their
sections"**Monday, February 23 at 3:45 P.M.

Brendan Hassett, Rice

**Abstract**:

Monday, March 2 at 3:45 P.M.

** Abstract**:

Monday, March 9 at 3:45 P.M.

*Title*:

Monday, March 23 at 3:45 P.M.

*Title*:

Monday, April 6 at 3:45 P.M.

** Title**: "

Monday, May 4 at 3:45 P.M.

__Fall
2014 Colloquia
__

*
Abstract*:

Nick Trefethen, NYU and University of Oxford

Monday, September 15 at 3:45 P.M.

**Abstract:
"Ramanujan graphs and symmetric error correcting
codes"**Monday, September 29 at 3:45 P.M.

Alex Lubotzky, Hebrew University of Jerusalem

__Title__: "The
mysterious role of stability in solids with
defects"

**Gilles Francfort, Universite Paris 13 and Institut
Universitaire de France**

Monday, October 27 at 3:45 P.M.

__Abstract__:

Monday, November 3 at 3:45 P.M.

**
Abstract:
"The Dynamics of Calcium:
Oscillations and Waves, Experiments and Theory"**Monday, November 10 at 3:45 P.M.

James Sneyd, University of Auckland

__ Abstract__:

Efim Zelmanov, University of California, San Diego

(Tea at 11:00 A.M.)

** Abstract:
"Search games and Optimal Kakeya Sets"**Monday, November 17 at 3:45 P.M.

Yuval Peres, Microsoft Research

**Abstract:
"The Riemann-Hilbert Method"**Monday, November 24 at 3:45 P.M.

Alexander Its, IUPUI

**Abstract:
"Singular Eigenvalue Perturbation Theory"**Monday, December 1 at 3:45 P.M.

Barry Simon, Caltech

*Abstract*:

Monday, December 8 at 3:45 P.M.

**Abstract:****
"On the Computational and Statistical Interface &
'Big Data"
**

__Abstract__:

Monday, March 10 at 3:45 P.M.

**Abstract**:

Monday, April 7 at 3:45 P.M.

*Abstract*:

Monday, April 14 at 3:45 P.M.

__Abstract__:

Monday, April 28 at 3:45 P.M.

**Abstract**:

__Abstract__:

Monday, May 12 at 3:45 P.M.

__Abstract__:
"Survey on the Farrell-Jones Conjecture"

**Wolfgang Luck,
Hausdorff Institute for Mathematics**Monday,
October 21 at 3:45 P.M.

*Abstract*:

__Abstract__:

Monday, November 4 at 3:45 P.M.

__Abstract__:

Monday, November 11 at 3:45 P.M.

__Abstract__:
"Droplet Splashing"

**Michael Brenner, School of Engineering
and Applied Sciences, Harvard University
**Monday, November 18 at 3:45 P.M.

__Abstract__:

Monday, December 2 at 3:45 P.M.

__Abstract__:

Monday, December 9, at 3:45 P.M.

*Abstract*:

Monday, December 16, at 4:00 P.M.

Spring 2013 Colloquia

Abstract: "Mathematics of Crime"

Andrea Bertozzi, UCLA

(Exceptionally) Tuesday, February 5 at 2:00 P.M.

(Tea preceding at 1:30 P.M.)

Abstract: "The Camassa-Holm Equation --- A Survey"

Helge Holden, Norwegian University of Science and Technology, Norway

Monday, February 25 at 3:45 P.M.

Abstract: "Nearly time-periodic water waves"

Jon Wilkening, UC Berkeley

Monday, March 4 at 3:45 P.M.

Abstract: "Practical use of information concepts in molecular simulation"

Gabor Csanyi, University of Cambridge

Monday, March 11 at 3:45 P.M.

Abstract: "Convex recovery from interferometric measurements"

Laurent Demanet, Department of Mathematics, MIT

Monday, March 25 at 3:45 P.M.

Yuri Bakhtin, Georgia Institute of Technology

Monday, April 1 at 3:45 P.M.

Van Vu, Yale

Monday, April 8 at 3:45 P.M.

Abstract: "Rationality problems: a bird's eye view"

Christian Bohning, Universitat Hamburg

Monday, April 15 at 3:45 P.M.

Abstract: "Geometric complexity and topological rigidity"

Guoliang Yu, Texas A&M

Monday, April 29 at 3:45 P.M.

Abstract: "Entropy for sofic group actions"

Lewis Bowen, University of Texas

Monday, May 6 at 3:45 P.M.

Fall 2012 Colloquia

Abstract: "Conformal metrics of prescribed Gauss curvature"

Michael Struwe, ETH Zurich

Monday, October 8 at 3:45 P.M.

Abstract: "Integrable Probability"

Ivan Corwin, Clay Mathematics Institute/MIT, Microsoft Research New England

Monday, October 15 at 3:45 P.M.

Abstract: "Schroedinger maps"

Daniel Tataru, University of California Berkeley

Monday, October 22 at 3:45 P.M.

Cancelled: "TBA"

Dmitry Panchenko, Texas A&M University

Monday, November 5 at 3:45 P.M.

Abstract: "On Dettmann's 'Horizon' conjectures"

Domokos Szasz , Budapest University of Technology

Monday, November 12 at 3:45 P.M.

Abstract: "The Surface Subgroup Theorem and the Ehrenpreis conjecture"

Jeremy Kahn, Brown University

Monday, November 26 at 3:45 P.M.

Abstract: "Yang-Mills Fields in super-critical Dimensions"

Tristan Riviere, ETH Zurich

Monday, December 3 at 3:45 P.M.

Abstract: "Gaussian Elimination As An Iterative Algorithm"

Lloyd N. Trefethen, Oxford University

Monday, December 10 at 3:45 P.M.

Spring 2012 Colloquia

Abstract: "Nonequilibrium Thermodynamics for Mathematicians"

Hans Christian Ottinger, ETH Zurich, Department of Materials

Monday, February 6 at 3:45 P.M.

Abstract: "Geometric Considerations in Harmonic Analysis"

Philip Gressman, UPenn, Mathematics

Monday, March 5 at 3:45 P.M.

Abstract: "Spectral Theory of Laplacians on Manifolds, Graphs and Fractals"

Bob Strichartz, Cornell

Monday, March 19 at 3:45 P.M.

"The renormalization group flow"

Weinan E, PACM, Princeton University

Monday, April 2 at 3:45 P.M.

Abstract: "A constraint-based formulation for freely moving immersed bodies in fluids "

Neelesh Patankar, Department of Mechanical Engineering, Northwestern University

Monday, April 9 at 3:45 P.M.

Abstract: "Arnold diffusion via invariant cylinders and Mather variational method"

Vadim Kaloshin, University of Maryland

Monday, April 16 at 3:45 P.M.

"Counting critical points of random functions of many variables"

Gerard Ben Arous, Courant Institute of Mathematical Sciences

Monday, April 23 at 3:45 P.M.

Abstract: "Product Formulas for Measures and Applications to Analysis and Geometry"

Peter Jones, Yale

Monday, April 30 at 3:45 P.M.

"TBA"

Isadore M. Singer, MIT Mathematics, 2004 Abel Prize winner

Monday, May 7 at 3:45 P.M. (Cancelled)

Fall 2011 Colloquia

"Doing Science in the Open"

Michael Nielsen

Monday, September 19, 2011 at 3:45 P.M.

Abstract: "Strong and weak epsilon nets and their applications"

Noga Alon, Tel Aviv University and IAS, Princeton

Monday, October 24, 2011 at 3:45 P.M.

Abstract: "Statistical Mechanics on Sparse Random Graphs: Mathematics and Applications"

Amir Dembo, Department of Statistics and Department of Mathematics

Stanford University

Monday, November 7, 2011 at 3:45 P.M.

Abstract: "Scale Bridging Simulations for Soft Matter: Current status and Conceptual Problems"

Kurt Kremer, Max Planck Institute for Polymer Research, Mainz, Germany

Monday, November 14, 2011 at 3:45 P.M.

Abstract: "The Kolmogorov-Obukhov Theory of Turbulence"

Bj?n Birnir, Center for Complex and Nonlinear Science and

Department of Mathematics

University of California, Santa Barbara

Monday, November 28, 2011 at 3:45 P.M.

Abstract: "Vector Diffusion Maps and the Connection Laplacian"

Amit Singer, Princeton University

Monday, December 12, 2011 at 3:45 P.M.

Spring 2011 Colloquia

"New curvature flows"

Gang Tian, Princeton University

Monday, January 31, at 3:45 P.M.

Abstract: "Blow-up global existence for dispersive critical problems"

Frank Merle, Universite Cergy-Pontoise & IHES

Monday, February 7, at 3:45 P.M.

"Ill -posed problems"

Charles Epstein, University of Pennsylvania

Monday, February 28, at 3:45 P.M.

Abstract: "Reformulation of the Covering and Quantizer Problems as Ground States of Interacting Particles"

Salvatore Torquato, Princeton University

Monday, March 7, at 3:45 P.M.

http://cherrypit.princeton.edu/

Abstract: "Commuting Hamiltonians and symplectic topology"

Claude Viterbo

Monday, March 21 at 3:45 P.M.

Abstract: "Sieving in Orbits"

Alex Kontorovitch, Stony Brook

Monday, March 28 at 3:45 P.M.

Abstract: "Fermion Monte Carlo"

Malvin Kalos, Lawrence Livermore National Labs

Monday, April 11 at 3:45 P.M.

Abstract: "The Turn of the Screw: The History and Optimal Design of an Archimedes Screw"

Chris Rorres, University of Pennsylvania

Monday, April 18 at 3:45 P.M.

The Fritz John Lecture Series: (April 25 and May 2, 2011)

Hans Lindblad

Monday, April 25 at 3:45 P.M. (Cancelled - rescheduled to October 17)

Abstract: "Fritz John's ellipsoid and the geometry of high dimensional convex bodies"

Gilles Pisier, Texas A&M University

Monday, May 2 at 3:45 P.M.

Fall 2010 Colloquia

Abstract:
"Symmetries
of Aspherical Manifolds"

Professor Shmuel
Weinberger, University of Chicago

Monday, September 13, at 3:45 P.M.

http://www.math.uchicago.edu/~shmuel/

Abstract:
"A two-scale framework to
variable selection with NP-dimensionality"

Professor Jianqing Fan,
Princeton University

Monday, September 20, at 3:45 P.M.

http://www.princeton.edu/~jqfan

Abstract:
"Bayesian
Modeling in Multivariate Time Series: Structure,
Sparsity & Computation"

Mike West

The Arts & Sciences Professor of Statistical
Science, Duke University

Monday,
October 18, at 3:45 P.M.

http://www.stat.duke.edu/~mw/

Abstract:
"Implicit
Particle Filters for Data Assimilation"

Professor
Alexandre
Chorin, UC Berkeley

Monday,
November 8, at 3:45 P.M.

http://math.berkeley.edu/~chorin/

The Fritz John Lecture Series: (November 22 and 29)

"The formation of
shocks in three space dimensions"

Demetrios
Christodoulou, ETH Zurich

Monday,
November 22, at 3:45 P.M.

"Brief history of the
vector-field method and the role played

by F. John"

Sergiu Klainerman,
Princeton

Monday,
November 29, at 3:15 P.M. (reception to follow)

Abstract:
"Modularity
of Galois representations"

Chandrashekhar Khare,
UCLA

Monday,
December 6, at 3:45 P.M.

Abstract:
"Long
Arithmetic progressions in sumsets"

Endre Szemeredi,
Hungarian Academy of Sciences

Monday,
December 13, at 3:45 P.M.

Spring 2010 Colloquia

Abstract:
"Exchangeability and
continuum limits of discrete random structures"

Professor David Aldous,
U.C. Berkeley

Monday, February 8, at 3:45 P.M.

http://www.stat.berkeley.edu/~aldous

Abstract:
"Certified Reduced BasisMethods for Harmonic Wave
Problems"

Professor Jan
Hesthaven, Brown

Monday, March 1, at 3:45 P.M.

http://www.cfm.brown.edu/people/jansh

Abstract:
"Beyond the Elliptic
Genus" [joint work with Orlando Alvarez]

I. M. Singer,
MIT

Monday, April 19, at 3:45 P.M. (cancelled)

http://math.mit.edu/people/profile.php?pid=249

Title: "Problems
in Mixing"

Katepalli Screenivasan, Sr.
Vice Provost and Professor of Physics and Mathematics, NYU

Monday, April 26, at 4:30 P.M.

http://users.ictp.it/~krs/index.html

Abstract:
"Natural Boundaries and
spectral theory"

Professor Barry Simon,
Caltech

Monday, May 3, at 3:45 P.M.

Professor Assaf Naor, Courant Institute of Mathematical Sciences, NYU

Monday, October 5, at 3:45 P.M.

http://cims.nyu.edu/~naor

Abstract: "Quantum Unique Ergodicity and Number Theory"

Professor Kannan Soundararajan, Stanford

Monday, October 12, at 3:45 P.M.

http://math.stanford.edu/~ksound

Abstract: "Fair Allocations to Random Points"

Professor Ron Peled, Courant Institute of Mathematical Sciences, NYU

Monday, November 2, 2009, at 3:45 P.M.

Abstract: "Structure of null sets,
differentiability of Lipschitz functions, and other
problems

in geometric measure
theory"

Professor Marianna
Csornyei, University College London

Monday, November 9, at 3:45 P.M.

http://www.homepages.ucl.ac.uk/~ucahmcs

Century-old Problem"

Professor George Haller, McGill

Monday, November 16, at 3:45 P.M.

http://people.mcgill.ca/george.haller

Abstract: "Universality of Random Matrices and Dyson Brownian Motion"

Professor Horng-Tzer Yau, Harvard

Monday, December 7, at 3:45 P.M.

Walter Craig, McMaster University

Monday, February 2, at 3:45 P.M.

Professor Jeff Cheeger, New York University, Courant Institute of Mathematical Sciences

Monday, February 9, at 3:45 P.M.

Yuval Peres, Microsoft Research

Monday, March 2, at 3:45 P.M.

Professor Gilles Pisier, Universite Paris VI and Texas A&M University

Monday, March 30, at 3:45 P.M.

Professor Keith Ball, University College London

Monday, April 13, at 3:45 P.M.

"Inapproximability of NP-complete problems, Discrete Fourier Analysis, and Geometry"

Professor Subhash Khot, New York University, Courant Institute of Mathematical Sciences

Monday, April 27, at 3:45 P.m.

David Kazhdan, Hebrew University

Special Mathematics Colloquium

Friday, September 5, at 4:00 P.M., tea at 3:30 P.M.

Location: Room 109

"Black holes and linear waves"

Igor Rodnianski, Princeton University

Monday, November 3, 3:45 P.M.

Abstract:
"Probabilistic phenomena in the space of contingency
tables"

Alexander Barvinok, University of Michigan at Ann
Arbor

Monday, November 17, at 3:45 P.M.

Abstract:
"The Sato-Tate
Conjecture"

Richard
Taylor, Harvard University

Monday, November 24, at 3:45 P.M.

"Expander
graphs: a playground for combinatorics,
algebra and computer science"

Avi Wigderson,
The

Monday, Dec. 1, at 3:45 P.M.

"Parabolic PDE's and deterministic games"

Professor Robert V. Kohn, Courant Institute, NYU

Monday January 28, at 3:45 P.M.

"Automorphic forms and scattering theory"

Werner Muller, Universitat Bonn/IAS

Monday, February 11, at 3:45 P.M.

"Fully Nonlinear Equations with Integral Diffusions"

Luis Caffarelli, University of Texas, Austin

Monday, March 3, at 3:45 P.M.

"Dirichlet Duality and the Non-linear Dirichlet Problem''

Blaine Lawson, SUNY, Stony Brook

Monday, March 10, 3:45 P.M.

Film screening about Wolfgang Doeblin

Monday, April 14, at 3:45 P.M. in room 109

"Geometric mechanics: atomic to tectonic"

L. Mahadevan,

Monday, May 5, at 3:45 P.M.

Professor S-T Yau, Harvard University

Monday, October 22, at 3:45 P.M.

"Single and multi-transition solutions for a class of PDE's"

Paul Rabinowitz, University of Wisconsin

Monday, October 29, at 3:45 P.M.

"Learning and Convergence of Beliefs in Social Networks"

Joint Economics-Mathematics Colloquium

Professor Matthew Jackson, Stanford University

Monday, November 12, at 3:45 P.M.

"The circular Law"

Professor Van Vu, Rutgers University

Monday, November 26, 2007 at 3:45 P.M.

"Soap
Bubble Evolution and Grain Growth in all Dimensions:
beyond von Neumann-Mullins"

Professor David Srolovitz,

Alain-Sol Sznitman, ETH Zurich

Monday, March 5 at 3:45 P.M.

Jean-Michel Bismut, Orsay.

Monday, March 26 at 3:30 P.M. in 109

"Two-dimensional polymers (self-avoiding walks) and their

continuum limit"

Monday, April 23 at 3:45 P.M.