Previous Seminars
 Seminars prior to 2009
 Seminars from 2009 – 2012 (Spring Semester)
 Seminars from 2012 (Spring Semester) to 2015 (Spring semester) can be found on the old events calendar.
 Current seminars have migrated to the active calendar
Previous Lectures and Conferences
2019  2018  2017  2016  2015  2014  2013  2012  2011  2010
2009  2008  2007  2006
2020
 TBD
2019
 Joseph Fels Ritt Lectures, Fall 2019
 Wednesday, October 24 and Thursday, October 24, 2019
Conference flyer:
Joseph Fels Ritt Lecture Flyer
 Wednesday, October 24 and Thursday, October 24, 2019
 Gallagher Memorial Conference, Fall 2019
 Thursday, October 10, 2019
Memorial Flyer
 Thursday, October 10, 2019
 Minerva Foundation Lectures, Fall 2019
 Friday, September 27th, October 4th and 11th
Conference flyer:
Minerva Lecture Flyer
 Friday, September 27th, October 4th and 11th
 Workshop on Free Boundary Problems, Spring 2019
 Thursday, May 23, 2019 and Friday, May 24, 2019
Conference flyer:
Free Boundary Workshop Flyer
 Thursday, May 23, 2019 and Friday, May 24, 2019
 Joseph Fels Ritt Lectures, Spring 2019
 Wednesday, May 8, 2019 and Thursday, May 9, 2019
Conference flyer:
Joseph Fels Ritt Lecture Flyer
 Wednesday, May 8, 2019 and Thursday, May 9, 2019
 Kolchin Lecture, Spring 2019
 Wednesday, April 3, 2019
Conference flyer:
Kolchin Lecture Flyer
 Wednesday, April 3, 2019
 Minerva Foundation Lectures, Spring 2019
 Professor Bálint Virág (University of Toronto)
“Random Interfaces, Geodesics and the Directed Landscape”
Friday, March 29, 2019
Conference flyer:
Minerva Lecture Flyer
 Professor Bálint Virág (University of Toronto)
 Symposium in Honor of Mark Brown
 Friday, March 1, 2019
Conference website:
http://stat.columbia.edu/symposiuminhonorofmarkbrown/#anchor2
 Friday, March 1, 2019
 Minerva Foundation Lectures, Spring 2019
 Professor Alan Hammond (U.C. Berkeley)
“Geodesic Trees & Brownian Watermelons: Universality in Models of Local Random Growth”
Thursday, February 28, 2019
Conference flyer:
Minerva Lecture Flyer
 Professor Alan Hammond (U.C. Berkeley)
2018
 Samuel Eilenberg Lectures, Fall 2018
 Professor Bhargav Bhatt (University of Michigan)
“Geometric aspects of padic Hodge theory”
Monday, September 17, 2018
Conference flyer:
Samuel Eilenberg Lecture Flyer
 Professor Bhargav Bhatt (University of Michigan)
 Minerva Foundation Lectures, Fall 2018
 Professor Walter Schachermayer (University of Vienna)
“Asymptotic Theory of Transaction Costs”
Monday, September 10, 2018
Conference flyer:
Minerva Lecture Flyer
 Professor Walter Schachermayer (University of Vienna)
 Joseph Fels Ritt Lectures, Fall 2018
 Professor Eugenia Malinnikova (Norwegian University of Science and Technology)
“An improvement of Liouville’s theorem for discrete harmonic functions”
Wednesday, October 31 and Thursday, November 1, 2018
Ritt Lecture Flyer
 Professor Eugenia Malinnikova (Norwegian University of Science and Technology)
 Transport & Localization in Random Media: Theory & Applications
 Tuesday, May 13, 2018
Conference Website:
http://www.kinet.umd.edu/content/conf?event_id=843
 Tuesday, May 13, 2018
 Minerva Foundation Lectures, Spring 2018
 Professor Itai Benjamini (Weizmann)
“I will review the state of the art in percolation on groups and related topics”
Wednesday, April 18 and Thursday, April 19, 2018
Conference flyer:
Minerva Lecture Flyer
 Professor Itai Benjamini (Weizmann)
 Kolchin Lecture, Spring 2018
 Professor Woodin (Harvard University)
“Ultimate L”
Wednesday, April 18, 2018
Conference flyer:Kolchin Lecture Flyer
 Professor Woodin (Harvard University)
 Berkeley–Columbia Meeting in Engineering & Statistics
 Friday, April 6 and Saturday, April 7, 2018
Conference Website:
https://sites.google.com/site/berkeleycolumbia18/
 Friday, April 6 and Saturday, April 7, 2018
 Joseph Fels Ritt Lectures, Spring 2018
 Michael Eichmair (University of Vienna)
“Scalar Curvature & Isoperimetry in the Large”
Tuesday, March 20, 2018 & Thursday, March 22, 2018
 Michael Eichmair (University of Vienna)
 Recent developments in Constructive Field Theory
 Tuesday, March 1315, 2018
Conference Website:http://www.math.columbia.edu/department/probability/CFT18/CFT18.html
Organizers: Julien Dubedat, and Fredrik Viklund.
 Tuesday, March 1315, 2018
2017
 Workshop on LogCorrelated Random Fields
 Tuesday December 12th until Thursday December 14th, 2017
For more information please visit link
Organizers: Julien Dubedat, Fredrik Viklund
 Tuesday December 12th until Thursday December 14th, 2017
 Minerva Foundation Lectures, Fall 2017
 Samuel Eilenberg Lectures, Fall 2017
 Professor Paul Seidel (Massachusetts Institute of Technology)
Website:“Automorphisms and Fibrations in Symplectic and Noncommutative Geometry”
 Professor Paul Seidel (Massachusetts Institute of Technology)
 Northeast Probability Seminar
 November 1617, 2017
Website: http://www.math.columbia.edu/department/probability/nep17/NEP17.html
 November 1617, 2017
 Joseph Fell Ritt Lectures, Fall 2017
 Professor László Székelyhidi Jr. (University of Leipzig)
“The hprinciple in Fluid Dynamics “
Monday October 30, 2017 & Wednesday November 1, 2017
 Professor László Székelyhidi Jr. (University of Leipzig)
 Dyson Schwinger Equations, Topological expansions & Random Matrices, Fall 2017
 August 28 September 1, 2017
Alice Guionnet (Lyon)
Conference website: http://www.math.columbia.edu/department/probability/seminar/guionnet.html
 August 28 September 1, 2017
 Thera Stochastics”A Mathematics Conference in Honor of Ioannis Karatzas”
 May 31 June 2, 2017
Conference website: http://www.math.columbia.edu/department/thera/index.shtml
 May 31 June 2, 2017
 FRG workshop “Crossing the Walls in Enumerative Geometry”
 January 2729, 2017
Conference website: http://www.math.columbia.edu/~ccliu/FRG17/FRG17.html
 January 2729, 2017
 Ellis R. Kolchin Memorial Lecture, Spring 2017
 Dennis Gaitsgory (Harvard University)
“The Tamagawa number formula over function fields“
February 17, 2017
 Dennis Gaitsgory (Harvard University)
 SLE, GFF and LQG in NYC
 March 13 – 17, 2017
Conference website: https://sites.google.com/site/slegfflqg17/
 March 13 – 17, 2017
 Joseph Fell Ritt Lectures, Spring 2017
 William Minicozzi (MIT)
“Level set method for motion by mean curvature“
March 27 & 28, 2017
 William Minicozzi (MIT)
2016
 Samuel Eilenberg Lectures, Fall 2016
 Denis Auroux (UC Berkeley)
“Fukaya categories and mirror symmetry“
Video lectures
 Denis Auroux (UC Berkeley)
 Joseph Fell Ritt Lectures, Fall 2016
 Zhiwei Yun (Yale University)
“Geometry in orbital integrals and beyond”
Thursday, December 15 and Friday, December 16, 2016
 Zhiwei Yun (Yale University)
 Minerva Foundation Lectures, Fall 2016
 Rene Carmona (Princeton)
“Introduction to Mean Field Games and the Two Pronged Probabilistic Approach “
October 2028, 2016  Robin Pemantle (University of Pennsylvania)
“Polynomials, their coefficients, and the locations of their zeros: applications to probability, combinatorics and computer science“
November 216, 2016  Nicolai Reshetikhim (UC Berkeley)
“Limit shapes in integrable models in statistical mechanics“
December 59, 2016
 Rene Carmona (Princeton)
 Joseph Fells Ritt Lectures, Spring 2016
 Umberto Zannier (Scuola Normale Superiore)
“Integration in finite terms for families of algebraic differentials“
Tuesday, May 3 and Wednesday, May 4, 2016 at 3 pm
 Umberto Zannier (Scuola Normale Superiore)
 Ellis R. Kolchin Memorial Lecture, Spring 2016
 Raphaël Rouquier (University of California, Los Angeles)
“Algebra in the fourth dimension“
Tuesday, April 26, 2016 at 3 pm
 Raphaël Rouquier (University of California, Los Angeles)
 Calculus Of Variations And Nonlinear Partial Differential Equations
 May 16 – 27, 2016
Conference website: http://www.math.columbia.edu/~desilva/cvnpde.html
 May 16 – 27, 2016
 Topological and Quantitative Aspects of Symplectic Manifolds; A Conference In Honor Of Dusa Mcduff’s 70th Birthday
 March 17 – 20, 2016
Conference website: https://sites.google.com/site/mcduff2016/
 March 17 – 20, 2016
 ColumbiaPrinceton Probability Day, Spring 2016
 April 8, 2016
Speakers: Guillaume Barraquand (Columbia)
 Rick Kenyon (Brown)
 Joel Lebowitz (Rutgers)
 Hao Shen (Columbia)
 Allan Sly (Berkeley)
 Peter Winkler (Dartmouth)
 April 8, 2016
 Special Lecture Series: “Introduction to the mathematical theory of black holes”
 Sergiu Klainerman (Columbia University and Princeton University)
Room Math 507, Wednesdays 2:40 PM – 4:00 PM
 Sergiu Klainerman (Columbia University and Princeton University)
 Samuel Eilenberg Lectures – Spring 2016
 Prof. Roman Bezrukavnikov (MIT)
“Geometric categorification in representation theory“
 Prof. Roman Bezrukavnikov (MIT)
2015
 Perspectives on Complex Algebraic Geometry
May 22 to May 25
Conference website: https://sites.google.com/site/complexalgebraicgeometry/home
 Stochastic Portfolio Theory and Related Topics Conference
May 8 & 9
Conference Website: https://sites.google.com/site/sptconference2015/
 Minerva Foundation Lectures
 Fabio Toninelli (Lyon)
“Height fluctuations in interacting dimers”
April 20 and April 22, 4:106pm, 417 Math, & April 24, 12noon1pm, 520 Math  Wendelin Werner (ETH Zurich)
“Critical phenomena within (random) planar carpets”
April 8, 4:106pm, 417 Math, & April 9, 5:407pm, 520 Math
“A simple graphvalued Markov processes and renormalization”
April 10, 11am12noon, 520 Math  Philippe Di Francesco (University of Illinois at UrbanaChampaign)
“Integrable Combinatorics“
March 9, 5:307:00pm, 507 Math [w/ the Informal MathPhysics seminar]
March 10, 5:307:00pm, 622 Math
March 11, 4:106pm, 417 Math
Slides:Lecture 1 ; Lecture 3
 Fabio Toninelli (Lyon)
 Joseph Fels Ritt Lectures, Spring 2015
 Manjul Bhargava (Princeton University)
“How likely is it for an integer polynomial to take a square value?”
Thursday, March 26, 2015 at 5:30 pm
 Manjul Bhargava (Princeton University)
 Ellis R Kolchin Memorial Lecture, Spring 2015
 Christopher Hacon (University of Utah)
“Which Powers Of A Holomorphic Function Are Integrable?”
February 19, 2015
 Christopher Hacon (University of Utah)
 Samuel Eilenberg Lectures – Spring 2015
 Luis A. Caffarelli (University of Texas)
“Future Directions in Nonlinear Partial Differential Equations”
 Luis A. Caffarelli (University of Texas)
 Minerva Foundation Research Lectures, Spring 2014
 Martin Hairer (University of Warwick)
“Regularity Structures”
February 24 – 28, 2014  Alexei Borodin (MIT)
“Macdonald processes”
April 21, 2014 & April 24, 2014
“Gaussian Free Field in beta ensembles and random surfaces”
April 25, 2014
 Martin Hairer (University of Warwick)
 ColumbiaPrinceton Probability Day 2014
 Martin Barlow (U. British Columbia)
Thierry Bodineau (Ecole Polytechnique)
Steve Lalley (U. Chicago)
Subhro Ghosh (Princeton University)
Clement Hongler (Columbia University)
Jason Miller (MIT)Friday, April 11, 2014
Northwest Corner Building – Room 501
 Martin Barlow (U. British Columbia)
 Ellis R. Kolchin Memorial Lecture, Spring 2014
 Melvin Hochster (U. Michigan)
“Bounding syzygies and the nature of subrings of polynomial rings”
Thursday, May 1, 2014
 Melvin Hochster (U. Michigan)
 Samuel Eilenberg Lectures – Fall 2014
 Simon Brendle (Stanford University)
“Partial Differential Equations in Geometry“
 Simon Brendle (Stanford University)
 Joseph Fels Ritt Lectures, Spring 2014
 Fernando Codá Marques (IMPA)
“Minmax minimal surfaces and applications”
April 28, 2014 & April 29, 2014
 Fernando Codá Marques (IMPA)
 Joseph Fels Ritt Lectures, Fall 2014
 AlainSol Sznitman (ETH, Zurich)
“Disconnection, interlacements, and the Gaussian free field“
December 15 & 16
 AlainSol Sznitman (ETH, Zurich)
2013
 Minerva Foundation Research Lectures, Spring 2013

Bruno Bouchard (ENSAEParis Tech; University of ParisDauphine)
“Stochastic Target Problems and Applications in Finance“
February 2013 
Michel Ledoux (Institut de Mathématiques de Toulouse, France)
“Concentration inequalities“
March 26/28 & April 1/2

 Ellis R. Kolchin Memorial Lecture
 Burt Totaro (UCLA)
“The Hodge Conjecture: history and Recent Progress“
 Burt Totaro (UCLA)
 Joseph Fels Ritt Lectures, Spring 2013
 Jonathan Pila (University of Oxford)
“Functional transcendence and atypical intersections“
April 29 & April 30, 2013
 Jonathan Pila (University of Oxford)
 Analysis, Complex Geometry, and Mathematical Physics: A Conference in Honor of Duong H. Phong
May 7 – 11, 2013
*Conference Information*  Geometric Topology in New York (GTiNY)
Location: Columbia University – Mathematics Building, Room 312
Monday, August 12, 2013 – Friday, August 16, 2013
*Conference Information*  Samuel Eilenberg Lectures – Fall 2013
 Joe Harris (Harvard University)
“Parameter Spaces in Algebraic Geometry“
Fridays, 12pm1pm, Room 312
*Videos of lectures are available here.**
 Joe Harris (Harvard University)
2012
 ColumbiaPrinceton Probability Day
March 2, 2012  Joseph Fels Ritt Lectures, Spring 2012
 Pierre Colmez (Institut de Mathématiques de Jussieu)
“padic analysis and Galois representations”
April 19, 5:30pm / April 20 3:30pm
 Pierre Colmez (Institut de Mathématiques de Jussieu)
 Ellis R. Kolchin Memorial Lecture
 Tom Bridgeland (All Souls College, Oxford)
“Tilting in CalabiYau Categories”
April 23rd, 4:30pm
 Tom Bridgeland (All Souls College, Oxford)
 Probability, Control and Finance
A conference in honor of Prof. Ioannis Karatzas’ 60th birthday
June 4 – June 8, 2012  Samuel Eilenberg Lectures, Spring 2012
 Edward Frenkel (UC Berkeley)
“The Langlands Program and Quantum Field Theory“
Tuesdays, 2:40pm
**Video of lectures available here**
 Edward Frenkel (UC Berkeley)
 Minerva Research Foundation Lectures, Spring 2012
 Grigori Olshanski
“Determinantal processes and related topics“
Fridays, 3:15pm
 Grigori Olshanski
2011
 Joseph Fels Ritt Lectures, Spring 2011
 Eduard Looijenga (University of Utrecht)
“The KnizhnikZamolodchikov system and Polydifferentials“
February 3 & 4, 2011
 Eduard Looijenga (University of Utrecht)
 Joseph Fels Ritt Lectures, Fall 2011
 Benson Farb (University of Chicago)
“Permutations and Polynomiality in Algebra and Topology“
December 15, 4:30pm
“Hidden Symmetry“
December 16, 4:30pm
 Benson Farb (University of Chicago)
 Minerva Research Foundation Lectures, Spring 2011
 Johannes MuhleKarbe (ETH Zurich)
“Shadow Prices in Portfolio Optimization with Transaction Costs“
February 1, 3, 7 & 8  Darrell Duffie (Stanford University)
“Dark Markets“
March 29April 1  Joseph Teichmann
“Affine Processes: Theory & Applications“
April 1829, 2011
 Johannes MuhleKarbe (ETH Zurich)
 Minerva Research Foundation Lectures, Fall 2011
 Denis Talay (INRIA, SophiaAntipolis, France)
“Model Risk: Modeling, Analysis, Control and Numerics“
September 715, 2011  Vladas Sidoravicius (IMPA)
“Phase transitions in stochastic processes with longrange interactions: a multiscale analysis approach“
September 22 – October 27, 2011
 Denis Talay (INRIA, SophiaAntipolis, France)
 Ellis R. Kolchin Memorial Lecture, Spring 2011
 Claire Voisin (Centre National de la Recherche Scientifique)
“Hodge Structures on Cohomology Algebras“
Friday, March 11, 2011
 Claire Voisin (Centre National de la Recherche Scientifique)
 Samuel Eilenberg Lectures, Spring 2011
 Claude Viterbo (Ecole Polytechnique, Palaiseau)
“Sympletic Topology from insights to interactions“
February 23 – April 28, 2011
 Claude Viterbo (Ecole Polytechnique, Palaiseau)
 Samuel Eilenberg Lectures, Fall 2011
 Benedict Gross (Harvard University)
“Representation theory and number theory“
Tuesdays, beginning Sept 20, 2:40pm
**Video of lectures available here**
 Benedict Gross (Harvard University)
 The Versatility of Integrability
A Conference on Integrable systems in algebra, geometry, and physics: celebrating Igor Krichever’s 60th Birthday
May 47, 2011.
Conference photos*
*Copyright J. Mozzochi, Princeton N.J  Moduli Spaces and Moduli Stacks
A conference on moduli of curves, stable maps, vector bundles, coherent sheaves, and the like, and on recent developments in the theory of algebraic stacks.
May 2327, 2011  Walterfest!
Faces of geometry: 3manifolds, groups and singularities; a conference in honor of Walter Neumann
June 610, 2011  Periods of Automorphic forms and Applications to Lfunctions
List of speakers and talks
September 15 – 18 at Columbia University  Workshop on Equivariant Quantum Differential Equations
List of speakers/times/locations
September 1619
2010
 Ellis R. Kolchin Memorial Lecture, Spring 2010
 David Eisenbud (University of California, Berkeley)
“Vector Bundles and Free Resolutions“
 David Eisenbud (University of California, Berkeley)
 Joseph Fels Ritt Lectures, Spring 2010
 John Horton Conway (Princeton)
“Pascal’s Hexagram Mysticum and the Hexagrammatic Mystery“
 John Horton Conway (Princeton)
 Joseph Fels Ritt Lectures, Fall 2010
 Clifford Taubes (Harvard University)
“The Principle of Universal Equivalence“
December 9th and 10th, 4:30pm
 Clifford Taubes (Harvard University)
 Minerva Research Foundation Lectures, Spring 2010
 Walter Schachermeyer(Vienna)
“The Asymptotic Theory of Transaction Costs“  Geoffrey Grimmett (Cambridge)
“Lattice Models in Probability“  Ofer Zeitouni (UMN & Weizmann Institute)
“Random Walks in Random Environments“
 Walter Schachermeyer(Vienna)
 Minerva Research Foundation Lectures, Fall 2010
 Boris L. Rozovski (Brown University)
“Generalized Malliavin Calculus and Stochatstic PDEs“
 Boris L. Rozovski (Brown University)
 Samuel Eilenberg Lectures, Spring 2010
 Ngô Bào Châu (Institute for Advanced Study)
“The Hitchin Fibration and the Fundamental Lemma“
 Ngô Bào Châu (Institute for Advanced Study)
 Samuel Eilenberg Lectures, Fall 2010
 Spencer Bloch (University of Chicago)
“Algebraic Geometry and Quantum Field Theory“
 Spencer Bloch (University of Chicago)
 Ninth Northeast Probability Seminar
CUNY Graduate Center
November 18 – 19, 2010  Benoit Stroh (CNRSParis)
“Do Vanishing Cycles Compute the Cohomology of Shimura Varieties?“  Mathematics and Statistics/JAFEE, March 910, 2010 (Organizers: Jan Vecer, Mikhail Smirnov and Takaki Hayashi).

2009
 Ellis R. Kolchin Memorial Lecture, Spring 2009
 Jacob Lurie (MIT)
“On the Classification of Topological Field Theories“
 Jacob Lurie (MIT)
 Joseph Fels Ritt Lectures, Spring 2009
 Richard Kenyon (Brown)
“Laplacians on Graphs andIntegral Laminations“
 Richard Kenyon (Brown)
 Joseph Fels Ritt Lectures, Fall 2009
 Bao Chau Ngo (Institute for Advanced Study)
“Report on the Fundamental Lemma“
 Bao Chau Ngo (Institute for Advanced Study)
 Minerva Research Foundation Lectures, Spring 2009
 Hans Foellmer (Humboldt)
“Convex Risk Measures and Their Dynamics“  Sara Biagini (University of Pisa)
“Topics in Portfolio Optimization with General Underlying Assets“
 Hans Foellmer (Humboldt)
 Minerva Research Foundation Lectures, Fall 2009
 Jean Bertoin (Universite Paris VI)
“Exchangeable Coalescents“
 Jean Bertoin (Universite Paris VI)
 Samuel Eilenberg Lectures, Spring 2009
 Andrei Okounkov (Princeton)
“Random Surfaces and Algebraic Curves“
 Andrei Okounkov (Princeton)
 Samuel Eilenberg Lectures, Fall 2009
 Richard Schoen (Stanford)
“Scalar Curvature in Differential Geometry“
 Richard Schoen (Stanford)
 Summer 2009 Research Conference in Algebraic Geometry, Spaces of Curves and Their Interaction With Diophantine Problems
 Summer 2009 Workshop and Conference, Interactions Between Hyperbolic Geometry, Quantum Topology and Number Theory
 Video Seminar Series with University of Paris 13 and Columbia University
 Eighth Northeast Probability Seminar, Fall 2009
2008
 Ellis R. Kolchin Memorial Lecture, Spring 2008
 Constantin Teleman (Berkeley)
“Representations of Groups Over the Category of Vector Spaces“
 Constantin Teleman (Berkeley)
 Joseph Fels Ritt Lectures, Spring 2008
 David Gabai (Princeton)
“Volumes of Hyperbolic 3manifolds, Heegard Splittings of 3manifolds“
 David Gabai (Princeton)
 Joseph Fels Ritt Lectures, Fall 2008
 Gerhard Huisken (Potsdam)
“Inverse Mean Curvature Flow and Isoperimetric inequalities“
 Gerhard Huisken (Potsdam)
 Minerva Research Foundation Lectures, Spring 2008
 Michel Emery (Strasbourg)
“Five Lectures on Manifoldvalued Semimartingales“
 Michel Emery (Strasbourg)
 Minerva Research Foundation Lectures, Fall 2008
 Shige Peng (Sandong)
“Coherent and Convex Risk Measures, and the Related TimeConsistent Nonlinear Expectations“
 Shige Peng (Sandong)
 Samuel Eilenberg Lectures, Spring 2008
 Charles Fefferman (Princeton)
“Whitney Extension Problems and Interpolation“
 Charles Fefferman (Princeton)
 Samuel Eilenberg Lectures, Spring 2008
 Michael Harris (Jussieu)
“Arithmetic Automorphic Forms on Unitary Groups and Related Galois Representations“
 Michael Harris (Jussieu)
 Samuel Eilenberg Lectures, Fall 2008
 Frans Oort (Utrecht)
“Moduli of Abelian Varieties“
 Frans Oort (Utrecht)
2007
 Ellis R. Kolchin Memorial Lecture, Spring 2007
 Gregory Lawler (University of Chicago)
 Gregory Lawler (University of Chicago)
 Joseph Fels Ritt Lectures, Spring 2007
 Joseph Harris (Harvard University)
 Joseph Harris (Harvard University)
 Joseph Fels Ritt Lectures, Fall 2007
 David Vogan
“Geometry and Representations of Reductive Groups“
 David Vogan
 Minerva Research Foundation Lectures, Spring 2007
 William Sudderth (University of Minnesota)
“Stochastic Dynamic Programming“
 William Sudderth (University of Minnesota)
 Minerva Research Foundation Lectures, Fall 2007
 Alison Etheridge (Oxford)
“Some mathematical models from population genetics“
 Alison Etheridge (Oxford)
 Samuel Eilenberg Lectures, Spring 2007
 William Fulton (University of Michigan, visiting Columbia)
“Equivariant Cohomology in Algebraic Geometry“
 William Fulton (University of Michigan, visiting Columbia)
 Samuel Eilenberg Lectures, Fall 2007
 Yakov Eliashberg (Stanford)
“Symplectic topology of affine complex manifolds“
 Yakov Eliashberg (Stanford)
 Conference in honor of Dorian Goldfeld’s 60th birthday, May 1823, 2007 (Organizers: Jeffrey Hoffstein, Stephen Kudla, Ken Ono, Peter Sarnak and Shouwu Zhang). Conference photos*
*Photos copyright J. Mozzochi, Princeton N.J
2006
 Joseph Fels Ritt Lectures, Fall 2006
 Andrei Okounkov (Princeton)
“Counting Curves on Algebraic Threefolds“
 Andrei Okounkov (Princeton)
 Samuel Eilenberg Lectures, Fall 2006
 Graeme Segal (All Souls’ College, Oxford)
“The Mathematics of Quantum Field Theory“
 Graeme Segal (All Souls’ College, Oxford)
 Around the Volume Conjecture
March 1319, 2006  Conference on Topology, Geometry and Physics in honor of John Morgan’s 60th Birthday. May 14, 2006. Conference photos*
*Photos copyright J. Mozzochi, Princeton N.J  Automorphic Galois Representations, Lfunctions and Arithmetic
June 1722, 2006