Past PNGS meetings and speakers

Past meetings

Clicking on a highlighted title will take you to an abstract, lecture notes, and preprints when available.

All the meetings for which I could find any records are listed here in reverse chronological order. If you have any information on dates, locations, speakers, or titles of any meetings not listed here, I'd appreciate it if you'd let me know at johnmlee@uw.edu.

Fall 2022 (Seattle U) November 5-6

• Jackson Goodman (University of California at Berkeley)
  New obstructions to positivity of curvature via twisted spinors

• Erin Griffin (Seattle Pacific University)
  The Case for a General q-flow: An Investigation of Ambient Obstruction Solitons

• Frédéric Rochon (Université du Québec à Montréal)
  L2-cohomology of quasi-fibered boundary metrics

• Paul Allen (Lewis and Clark College)
  The Asymptotially Hyperbolic Yamabe Problem in the Sobolev Category
  (Laura Frederickson's talk cancelled due to illness)

• Sébastien Picard (University of British Columbia)
  Non-Kähler Transitions of Calabi-Yau Threefolds

• Liz Stanhope (Lewis and Clark College)
  Using Hodge spectra to detect orbifold singularities

• Claude LeBrun (Stony Brook University)
  Curvature in the balance: The Weyl functional and scalar curvature of 4-manifolds
  (Lecture slides)

2021-2022: no meeting due to the pandemic

2020-2021: no meeting due to the pandemic

Spring 2020 (Lewis & Clark) March 7-8

• Carolyn Gordon (Dartmouth)
  Steklov and Sloshing Eigenvalue Problems on Surfaces

• Jim Isenberg (U of Oregon)
  Some New Results On Ricci Flow

• Eric Woolgar (U of Alberta)
  On the topology of black holes

• Frederick Wilhelm (UC Riverside)
  Stability, Finiteness and Dimension 4

• Liz Stanhope (Lewis & Clark)
  Using heat invariants to study the Laplace spectral geometry of orbifolds in dimensions 3 and up

• Melanie Graf (U of Washington)
  Singularity theorems for C1-Lorentzian metrics

• David Maxwell (University of Alaska Fairbanks)
  Interior estimates for elliptic operators associated with low-regularity Riemannian metrics

Spring 2019 (UW) April 27-28

• Pengzi Miao (University of Miami)
  Scalar curvature and boundary mean curvature

• Heather Lee  (University of Washington)
  Homological mirror symmetry for open Riemann surfaces from pair-of-pants decompositions

• Ravi Shankar (University of Washington)
  Hessian estimates for semiconvex solutions to the sigma-2 equation

• Arunima Bhattacharya (University of Oregon)
  Interior Schauder estimates for the fourth order Hamiltonian stationary equation in two dimensions

• Chen-Yun Lin (Duke University)
  Data, Curse of Dimensionality, and Spectral Geometry

• Casey Lynn Kelleher (Princeton University)
  Index-Energy Estimates for Yang-Mills Connections

• Bradley Burdick (University of Oregon)
  Metrics of positive Ricci curvature on connected sums

• Paul Yang (Princeton University)
  On the Sobolev quotient of three-dimensional CR manifolds

Winter 2018 (UBC) March 3-4

• Richard Schoen (U.C. Irvine)
  The positive mass theorem revisited

• Christine Breiner (Fordham University)
  Compactness theory for harmonic maps into metric spaces

• Regina Rotman (University of Toronto)
  Lengths of periodic geodesics and related questions

• Ovidiu Munteanu (University of Connecticut)
  Structure of four dimensional Ricci solitons

• André Neves (University of Chicago)
  Existence, Denseness, and Equidistribution of Minimal Hypersurfaces

• Catherine Searle (Wichita State University)
  The maximal symmetry rank conjecture for non-negatively curved manifolds

Winter 2017 (Lewis & Clark College) March 4-5

• Rafe Mazzeo (Stanford University)
  Minimal annuli in H2 x R

• Natasa Sesum (Rutgers University)
  Non-Kähler Ricci flows and Kähler singularity models

• Eric Bahuaud (Seattle University)
  Low-regularity Poincaré-Einstein metrics

• Peter Veerman (Portland State University)
  Mediatrices and minimal separating sets

• Ailana Fraser (University of British Columbia)
  Existence of harmonic maps into CAT(1) spaces

• Jeff Jauregui (Union College)
  Bartnik's quasi-local mass in general relativity

Fall 2015 (UW) October 17-18

• Jeffrey Case (Penn State University)
  A notion of the weighted σk curvature for manifolds with density

• Greg Galloway (University of Miami)
  On the Geometry and Topology of Initial Data Sets in General Relativity

• Lan-Hsuan Huang (University of Connecticut)
  Localized Deformation for the Einstein Constraint Map

• Azahara De la Torre (Universitat Politècnica de Catalunya and UBC)
  Delaunay-type solutions for a fractional Laplacian equation arising in conformal geometry

• Xiaodong Wang (Michigan State University)
  Boundary Effects of Ricci Curvature

• Iva Stavrov Allen (Lewis & Clark College)
  On Intrinsic Flat Stability of the Positive Mass Theorem

Spring 2014 (U of O) May 3-4

• Ben Weinkove (Northwestern)
  The Chern-Ricci flow

• Lydia Bieri (Michigan)
  Spacetime geometries and null infinity

• Richard Montgomery (UC Santa Cruz)
  Differential geometry arising from the N-body problem

• Weiyong He (Oregon)
  The space of Kähler metrics and Kähler-Ricci solitons

• Li-Sheng Tseng (UC Irvine)
  Products and cohomologies of di
  erential forms on symplectic manifolds

• Lu Wang (Johns Hopkins)
  On the asymptotic structures of two-dimensional self-shrinkers

Winter 2014 (Stanford) Feb 8-9

• Simon Brendle (Stanford)
  A sharp bound for the inscribed radius under mean curvature flow

• Otis Chodosh (Stanford)
  The renormalized volume and isoperimetric behavior of asymptotically hyperbolic manifolds

• Mario Micallef (Warwick)
  A gap theorem for the alpha-harmonic maps of Sacks-Uhlenbeck

• Jie Qing (Santa Cruz)
  Conformal geometry of surfaces in 3-sphere

• Christine Guenther, Pacific University, Oregon
  A geometric introduction to the second-order renormalization group flow

• Joel Spruck (Johns Hopkins)
  Interior curvature estimates and the Asymptotic Plateau problem in Hyperbolic space

Spring 2013 (PSU) May 11-12

• Ailana Fraser (UBC)
  Minimal surfaces in the ball and a compactness result

• Paul Bryan (UCSD)
  Isoperimetry and Viscosity Solutions in Geometric Evolution Equations

• Simon Gindikin (Rutgers)
  Complex geometry and complex analysis on symmetric spaces

• Lan-Hsuan Huang (UConn)
  Hypersurfaces with non-negative scalar curvature

• Lisa Traynor (Bryn Mawr)
  The Geography of Lagrangian Cobordisms

• Joel Fish (MIT)
  From Gromov to the Moon

Spring 2012 (UBC) May 5-6

• Panagiota Daskalopoulos (Columbia)
  Ancient solutions of the Yamabe flow

• Eric Bahuaud (Stanford)
  The Yamabe flow of an incomplete edge metric

• Martin Li (UBC)
  Minimal Surfaces with Free Boundary and Geometric Applications

• John Lott (Berkeley)
  Collapsing with a lower bound on the curvature operator

• Jiaping Wang (University of Minnesota)
  Analysis on smooth metric measure spaces and applications

Winter 2012 (Stanford) Feb 4-5

• Richard Bamler, Stanford
  Long-time analysis of 3-dimensional Ricci flow

• Francisco Martin, Granada
  Properly embedded area-minimizing surfaces in hyperbolic 3-space

• Nicos Kapouleas, Brown University
  Gluing constructions for minimal surfaces and self-shrinkers

• Jeff Streets, UC Irvine
  The gradient flow of the L2 curvature energy

• Yanir Rubinstein, Stanford
  Einstein metrics on Kähler manifolds

• Jeff Viaclovsky, Wisconsin
  Asymptotics of the self-dual deformation complex
  
  

Fall 2011 (OSU) November 12-13

• Rafe Mazzeo (Stanford)
  Canonical metrics on singular spaces (open problems) (video)

• Vincent Moncrief (Yale)
  Are Analytic Compact Cauchy Horizons Necessarily Killing Horizons? (open problems) (video)

• Beverly Berger (NSF)
  The Mysterious Case of Expanding Galileo Spacetimes (video)

• Dan Knopf (U of Texas at Austin)
  Neckpinch dynamics for asymmetric surfaces evolving by mean curvature flow (open problems) (video)

• Rick Schoen (Stanford)
  A new mean curvature proof of the spacetime positive mass theorem (video)

• Piotr Chruściel (University of Vienna)
  Lorentzian geometry with continuous metrics (video)

• Gary Horowitz (UCSB Physics)
  Instability of Anti-de Sitter Spacetime (open problems)

Spring 2011 (UW) May 7-8

• Colleen Robles (Texas A&M)
  Homological rigidity of Schubert varieties in compact Hermitian symmetric spaces
  Open problems

• Craig Sutton (Dartmouth)
  Hearing the moments of inertia of a rigid body

• Christina Sormani (CUNY Graduate Center/Lehman College)
  The Positive Mass Theorem, the Penrose Inequality and the Intrinsic Flat Distance
  Open problems

• Ben Chow (UC San Diego)
  Some estimates for gradient Ricci solitons
  Open problems

• Lars Andersson (Max Planck Institute & Harvard)
  The black hole stability problem

• Bill Minicozzi (Johns Hopkins)
  Singularities and dynamics of Mean Curvature Flow
  Open problems

Fall 2010 (U of O) October 16-17

• Dan Knopf (University of Texas at Austin)
  Ricci flow through singularities

• Robert Bryant (MSRI and UC Berkeley)
  The Affine Bonnet Problem

• Burkhard Wilking (University of Münster and Miller Institute)
  Structure of manifolds with lower Ricci curvature bounds

• Mark Walsh (Oregon State)
  Understanding the space of metrics with positive scalar curvature

• Brian White (Stanford)
  Some Sharp Lower Density Bounds for Singularities of Minimal Varieties
  Open Problems

• Chikako Mese (Johns Hopkins)
  Harmonic maps into buildings

Spring 2010 No meeting

Winter 2010 (Stanford) Feb 6-7

• John Etnyre (Georgia Tech)
  Tightness in contact metric manifolds

• Natasa Sesum (Penn)
  Ancient solutions to the Ricci flow on surfaces

• Mu-Tao Wang (Columbia)
  Isometric embedding problems in the definition of quasilocal mass

• Xiaodong Wang (Michigan State)
  An integral formula for the volume entropy with applications to rigidity

• Yng-Ing Lee (National Taiwan U and Stanford)
  The Existence of Hamiltonian Stationary Lagrangians

Fall 2009 (PSU) Nov 7-8

• John Olsen (University of Rochester)
  Three Dimensional Manifolds All of Whose Geodesics Are Closed
  (open problems)

• Andrea Young (University of Arizona)
  Ricci Yang-Mills solitons on nilpotent Lie groups
  (open problems)

• Alexander Givental (UC Berkeley)
  Virasoro Conjecture in Gromov-Witten theory

• Weiyong He (University of Oregon)
  Lagrangian mean curvature flow of entire Lipschitz graphs

• Tobias Colding (MIT)
  Singularities of mean curvature flow

• John M. Lee (UW)
  The two-body problem at Asymptopia
  (open problems)

Spring 2009 (UBC) May 1-2

• Adrian Butscher (Stanford)
  Collapsing Sequences of Constant Mean Curvature Surfaces in Riemannian Manifolds
  (Open problems)

• Tobias Lamm (UBC)
  Foliation of asymptotically flat manifolds by surfaces of Willmore type

• Pengfei Guan (McGill)
  Complex Monge-Ampère equations related to Sasakian geometry

• Albert Chau (UBC)
  Lagrangian Mean Curvature flow for entire Lipschitz graphs

• Neshan Wickramasekera (Cambridge)
  A general regularity theory for stable codimension 1 integral varifolds

• Guofang Wei (UCSB)
  Smooth Metric Measure Spaces
  (Open problems)

Fall 2008 (OSU) Oct 25-26

• Karsten Grove (University of Notre Dame)
  Advances in positive curvature
  (Open Problems)

• Corey Hoelscher (Rutgers University)
  The topology of low dimensional cohomogeneity one manifolds
  (Open Problems)

• Iva Stavrov (Lewis & Clark College)
  On a gluing construction regarding "small bodies" in general relativity
  (Open Problems)

• David Glickenstein (University of Arizona)
  Ricci flow on 3D Lie groups and their quotients
  (Open Problems)
  
  

• Benjamin Weinkove (University of California, San Diego)
  The Kähler-Ricci flow on manifolds with positive first Chern class
  (Open Problems)

Spring 2008 (UW) May 10-11

• Frank Pacard (Paris 12)
  Isoperimetric type problems in Riemannian manifolds
  (Open problems)

• Sophie Szu-Yu Chen (Berkeley)
  Optimal curvature decays on asymptotically locally Euclidean manifolds

• Olivier Druet (UBC and ENS Lyon)
  Stability of elliptic systems of PDEs

• Richard Melrose (MIT)
  Configuration spaces and monopoles

• Bruce Kleiner (Yale)
  Bi-Lipschitz embedding in Banach spaces
  (Open Problems)

• Karen Uhlenbeck (UT Austin)
  On the Space-Time Monopole Equation: A Survey Talk

Winter 2008 (Stanford) March 1-2

• Ian Agol (Berkeley)
  Finiteness of arithmetic hyperbolic reflection groups

• Fengbo Hang (NYU)
  Some rigidity results on the hemisphere
  (Open Problems)

• Bruce Kleiner (Yale)
  A new proof of Gromov's theorem on groups of polynomial growth

• Kate Okikiolu (UCSD)
  The average wavelength of a surface

• Felix Schulze (Freie Universität Berlin and Stanford)
  Stability of translating solutions to mean curvature flow

• Michael Wolf (Rice)
  The Weil-Petersson Hessian of the length function on Teichmueller space
  (Open Problems)

Fall 2007 (U of Oregon) October 20-21

• Rick Schoen (Stanford)
  Manifolds with pointwise 1/4-pinched curvature
  (open problems)

• Xuan Hien Nguyen (Cincinnati)
  Translating tridents
  (open problems)

• Tracy Payne (Idaho State)
  The Ricci Flow for Homogeneous Spaces
  (open problems)

• Xiu-Xiong Chen (Wisconsin)
  Confomal Einstein metrics on 4-manifolds and geometric flow on Kähler manifolds

• Zhiqin Lu (UC Irvine)
  Chern-Weil forms on Calabi-Yau moduli
  (open problems)
  
  

• Daniel Pollack (University of Washington)
  Singular Yamabe metrics and initial data with exactly Kottler-Schwarzschild-de Sitter ends

Spring 2007 (Utah) April 28-29

• Hossein Namazi (Princeton)
  Hyperbolicity from the viewpoint of Heegaard splittings

• David Fisher (Indiana)
  Coarse differentiation of quasi-isometries and rigidity for solvable groups

• Feng Luo (Rutgers)
  Rigidity of Polyhedral surfaces

• Julien Paupert (Johns Hopkins)
  Discrete complex reflection groups in PU(2,1)

• Anna Wienhard (Chicago)
  Foliated projective structures and the Hitchin component for PSL(4,R)

Fall 2006 (Portland State) Oct 28-29

• Ian M. Anderson (Utah State University)
  Symbolic Computations in Differential Geometry

• Blaine Lawson (SUNY/Stony Brook)
  Plurisubharmonicity and pseudoconvexity in Lagrangian and calibrated geometry

• Bill Goldman (University of Maryland)
  Mapping class group actions on spaces of surface group representations

• Alice Chang (Princeton University)
  Boundary regularity of Bach flat metrics

• Roman Smirnov (Dalhousie University)
  Geometry "à la Cartan" and its applications to Hamiltonian mechanics

Spring 2006 (UBC) Apr 1-2

• Alejandro Adem (University of British Columbia)
  A Stringy Product for Twisted Orbifold K-theory

• Jim Bryan (University of British Columbia)
  Donaldson-Thomas and Gromov-Witten invariants of orbifolds and their crepant resolutions

• Yong-Geun Oh (University of Wisconsin–Madison)
  Lagrangian currents, Calabi invariants and non-simpleness of the area-preserving homeomorphism group of S2

• Ben Chow (UC San Diego)
  On the works of D. Glickenstein and F. Luo on semi-discrete curvature flows

• Simon Brendle (Stanford University)
  Global convergence of the Yamabe flow

• Gang Tian (Princeton University)
  Kähler-Ricci flow and complex Monge-Ampère equation

• Open Problems

Winter 2006 (Stanford) Feb 25-26

• Dan Freed (UT Austin)
  Orientation of moduli spaces

• Simon Scott (King's College, London)
  Trace defect formulas for pseudodifferential operators on closed and singular manifolds

• Natasa Sesum (Columbia University)
  The Kähler Ricci flow and the solutions to the conjugate heat equation

• Peter Li (UC Irvine)
  Weighted Poincaré inequality and structure of complete manifolds

• Neshan Wickramasekera (UC San Diego)
  Hölder continuity of singular sets in variational problems

• Larry Guth (Stanford)
  Volume Estimates for Families of Cycles

Fall 2005 (OSU) Nov 5-6

• Jenny Harrison (UC Berkeley)
  What is Stokes' theorem -- from algebraic foundations to geometric completions

• Moon Duchin (UC Davis)
  When thin-framed triangles are thin

• Dan Burghelea (Ohio State)
  Complex Ray Singer torsion and a few applications

• Tian-Jun Li (University of Minnesota)
  Symplectic structures on closed manifolds

• Nathan Dunfield (Caltech)
  Does a random 3-manifold fiber over the circle?

Spring 2005 (UW) May 14-15

• Rick Schoen (Stanford)
  Global compactness theorems for the Yamabe problem

• Guofang Wei (UC Santa Barbara)
  On the Stability of Kähler-Einstein Metrics

• Jeff Viaclovsky (MIT)
  Volume growth and moduli spaces of critical Riemannian metrics

• Peng Lu (University of Oregon)
  Ricci flow on locally homogeneous closed manifolds of dimension 4

• Greg Galloway (University of Miami)
  On the positivity of mass for asymptotically hyperbolic Riemannian manifolds

• Peter Ozsváth (Columbia)
  Heegaard diagrams and holomorphic disks

• Open Problems

Fall 2004 (U of Oregon) November 6-7

• Charles Doran (University of Washington)
  Mirror Symmetry, K-Theory, and Toric Geometry

• Mutao Wang (Columbia)
  Mean curvature flows of Lagrangian submanifolds

• Lei Ni (UCSD)
  Ancient Solutions of the Kähler-Ricci Flow

• John Lott (University of Michigan)
  Ricci curvature for metric-measure spaces

• David Auckly (Kansas State University)
  The structure of maps into homogenous spaces and the Faddeev and Skyrme models

Spring 2004 (Utah) April 24-25

• Michael Wolf (Rice)
  An Embedded Genus One Helicoid

• Daniel Pollack (University of Washington)
  Initial data engineering

• Brian White (Stanford)
  Minimal Surfaces and the Total Curvature of Curves

• Ian Agol (Illinois/Chicago)
  Tameness of hyperbolic 3-manifolds

• Ben Chow (UCSD)
  Ricci Flow and Fukaya Theory in Dimension Three

• Open Problems

Winter 2004 (Stanford) February 21-22

• Jim Bryan (UBC)
  Computing the closed topological vertex via the geometry of the Cremona transform

• Hartmut Weiss (University of Munich and Stanford)
  Hyperbolic cone-manifolds with graph singularity

• Jon Wolfson (Michigan State University and Stanford)
  Homology, Holomorphicity and Area Minimizers in K3 surfaces

• Charles Boyer (University of New Mexico)
  Einstein Metrics on Exotic Spheres

• Michael Taylor (UNC/Chapel Hill)
  Boundary regularity for the Ricci equation, geometric convergence, and Gelfand's inverse boundary problem

• Open Problems

Fall 2003 (Portland State) October 25-26

• Michael Anderson (SUNY/Stony Brook)
  Surgery construction of Einstein metrics

• Christine Escher (Oregon State)
  The topology of manifolds with nonnegative sectional curvature

• Victor Guillemin (MIT)
  Signature quantization

• Rafe Mazzeo (Stanford)
  Positive Scalar Curvature and Poincaré-Einstein Fillings

• Matthew Gursky (University of Notre Dame)
  A notion of maximal volume in conformal geometry and some applications

• Open Problems

Spring 2003 (UBC) April 26-27

• Jim Isenberg (Oregon)
  Gluing Solutions of the Einstein Constraint Equations

• Jun Li (Stanford)
  The vanishing result on moduli of vector bundles over curves

• Misha Kapovich (Utah)
  Generalized triangle inequalities with applications to algebraic groups

• Tobias Colding (NYU)
  Minimal Disks are Double Spiral Staircases

• Shing-Tung Yau (Harvard)
  Positivity of mass in general relativity

Fall 2002 (OSU) Nov 16-17

• Yu Yuan (University of Washington)
  Counterexamples for Local Isometric Embedding

• Joel Hass (UC Davis)
  Isoperimetric inequalities for unknotting disks

• Igor Belegradek (Caltech)
  Nonnegative curvature, symmetry, and fundamental group

• Richard Montgomery (UC Santa Cruz)
  Variational Methods in the N-body Problem

• Ailana Fraser (UBC)
  Manifolds with positive isotropic curvature

Spring 2002 (UW) May 11-12 - Joint with Cascade Topology Conference

• Deane Yang (Polytechnic University)
  Geometry, analysis, and information theory (slides)

• Laura Scull (UBC)
  Rational Equivariant Homotopy

• Ralph Cohen (Stanford)
  Duality phenomena in loop spaces and conformal field theory

• John Baez (UC Riverside)
  Categorified gauge theory

• Dan Christensen (University of Western Ontario)
  Quantized geometry via representation theory

• Megan Kerr (Wellesley)
  A study of homogeneous Einstein metrics

Fall 2001 (U of Oregon) October 27-28

• Ben Chow (UC San Diego)
  Hamilton's injectivity radius estimate for the Ricci flow

• Claude LeBrun (SUNY Stony Brook)
  Curvature and smooth topology in dimension four

• Kazuo Akutagawa (Shizuoka University, Japan & U of Oregon)
  Yamabe metrics on cylindrical manifolds

• Egidio Barrera-Yanez (Instituto de Matematicas, UNAM, Cuernavaca, Mexico)
  The eta invariant and the "twisted" connective real K-theory

• Gregor Weingart (University of Bonn and OSU)
  Spectral Sequences arising in Differential Geometry

Spring 2001 (Utah) April 28-29 - Joint with Wasatch Topology Conference

• Alan Reid (University of Texas, Austin)
  Geometric boundaries of hyperbolic manifolds

• Tao Li (University of Texas, Austin)
  Immersed surfaces, Dehn surgery and nonpositive cubing of 3-manifolds

• Yair Minsky (SUNY, Stony Brook)
  Combinatorics and geometry in hyperbolic 3-manifolds

• Sumio Yamada (Cornell)
  Weil-Petersson geometry of Teichmüller spaces and the Thurston classification of surface diffeomorphisms

• Jiaping Wang (University of Minnesota)
  Harmonic functions and topology of complete manifolds

• Mu-Tao Wang (Stanford)
  Super-rigidity and fixed point theorem

• Alexander Nabutovsky (University of Toronto)
  Arithmetic groups and variational problems for Riemannian functionals

Fall 2000 (Portland State) October 28-29

• Mikhail Shubin (Northeastern University)
  Spectra of magnetic Schrödinger operators

• Alexander Rosenberg (Kansas State University)
  Noncommutative Spaces

• Ilya Zakharevich (Ohio State University)
  Webs and bihamiltonian structures

• Jonathan M. Rosenberg (University of Maryland)
  Scalar curvature for manifolds with finite fundamental group

• Arkady Vaintrob (University of Oregon)
  Moduli of spin curves and spin quantum cohomology

Spring 2000 (UBC) May 6-7

• Gang Liu (UCLA)
  The equivalence of ring structures in Floer and quantum cohomology

• Stephan Stolz (Notre Dame)
  Metrics of positive scalar curvature

• Rahul Pandharipande (Cal Tech)
  Hurwitz numbers, Toda equations, and Gromov-Witten theory

• Paul Yang (Princeton and USC)
  A fully nonlinear equation in conformal geometry and four-manifolds of positive Ricci curvature

• Jim Carrell (UBC)
  Which Schubert Varieties are Smooth?

Winter 2000 (MSRI) February 26

• Rafe Mazzeo (Stanford)
  Iterated fibration structures and scattering on higher rank symmetric spaces

• Hirotaka Tamanoi (UC Santa Cruz)
  Elliptic Genera of Orbifolds

• Alan Weinstein (UC Berkeley)
  Averaging submanifolds of riemannian manifolds

• Peter Petersen (UCLA)
  Some old and recent developements in positive curvature

Fall 1999 (Oregon State)  November 13-14

• Wolfgang Ziller (Penn)
  Curvature and symmetry of Milnor spheres

• Robert Hardt (Rice)
  Singularities associated with limits of smooth maps to the 2-sphere

• Megan Kerr (Wellesley)
  Homogeneous Einstein Metrics of Negative Ricci Curvature

• Guofang Wei (UC Santa Barbara)
  Integral Pinching Theorems

• Jim Isenberg (U of Oregon)
  Critical Dimension and Critical Behavior of Wave Maps

Spring 1999 (UW) May 1-2

• Michael Eastwood (University of Adelaide, Australia)
  Normal forms and classification problems in affine differential geometry

• John McCuan (MSRI and UC Berkeley)
  On the regularity and stability of graphs of constant mean curvature

• Gerhard Huisken (Princeton)
  Convexity estimates for singularities of the mean curvature flow

• Sorin Popescu (MSRI and Columbia)
  The geometry of moduli spaces of abelian surfaces

• Michael Anderson (SUNY/Stony Brook)
  Static vacuum Einstein equations and 3-manifold geometry

Winter 1999 (MSRI) ***CANCELLED***

Fall 1998 (U of Oregon) November 21-22

• Margaret Symington (UT Austin)
  Singular Lagrangian fibrations of hypersufaces in CPn

• John Roth (University of Washington)
  Perturbations of Kähler-Einstein metrics on strictly pseudo-convex domains

• Yakov Eliashberg (Stanford)
  Invariants of contact manifolds

• Shmuel Weinberger (University of Chicago)
  Critical points of some Riemannian functionals

• Daniel Freed (UT Austin)
  Anomalies and index theory

Spring 1998 (Utah) May 2-3

• Robin Forman (Rice University)
  Combinatorial Ricci curvature

• Chengbo Yue (University of Illinois/Chicago)
  Invariant conformal structure on the boundary of negatively curved 3-manifolds

• Dariusz Wilczynski (Utah State University)
  Embedded surfaces, genus inequalities and 4-dimensional surgery

• Jon Wolfson (Michigan State and Stanford)
  Lagrangian Surfaces that Minimize Area

• Gregory Soifer (Bar-Ilan University and Yale)
  On Auslander's conjecture

Winter 1998 (MSRI) February 7

• Xiu-Xiong Chen (Stanford)
  Extremal Kähler metrics on Riemann surfaces and uniformization of surfaces with boundary

• Ana Cannas da Silva (UC Berkeley)
  Folding Symplectic Manifolds

• Kefeng Liu (Stanford)
  Heat kernel, moment map and moduli space

• Jun Li (Stanford)
  Comparison of algebraic and symplectic Gromov-Witten invariants

Fall 1997(PSU) October 18-19

• Peter Olver (University of Minnesota)
  Moving frames

• Michel L. Lapidus (UC Riverside)
  Towards a Noncommutative Fractal Geometry? Laplacians and Volume Measures on Fractals

• Arthur Fischer (UC Santa Cruz)
  The Hamiltonian reduction of Einstein's equations to the cotangent bundle of Teichmüller space

• Alexandre Kirillov (University of Pennsylvania)
  Merits and demerits of the orbit method

• Vladimir S. Retakh (Harvard and University of Arkansas)
  Non-commutative determinants and non-commutative geometry

Spring 1997 (UBC) April 12-13

• Yat-Sun Poon (UC Riverside)
  Deformation of Hypercomplex Structures

• Richard Wentworth (UC Irvine)
  The Yang-Mills flow near the boundary of Teichmueller space

• Rafe Mazzeo (Stanford)
  Local and global aspects of some geometric moduli spaces

• Steven B Bradlow (University of Illinois)
  A new look at the vortex equations: dimensional reduction without symmetry

• Robin Graham (University of Washington)
  A Blow-up Approach to Edge-of-the-Wedge Theorems

Winter 1997 (MSRI) February 8

• Jerry Marsden (Department of Control & Dynamical Systems, Cal Tech)
  Geometry and Classical Mechanics

• Jeonghyeong Park (Honam University, South Korea, & University of Oregon)
  The spectral geometry of Hermitian submersions

• Bill Thurston (MSRI & UC Davis)
  Foliations and Geometry

• Rick Schoen (Stanford)
  Least volume Lagrangian cycles

Fall 1996 (OSU) November 9

• Dusa McDuff (SUNY, Stony Brook)
  Symplectomorphisms and the flux homomorphism

• John Leahy (University of Oregon)
  The spectral geometry of Riemannian submersions

• Ronald J. Stern (University of California, Irvine)
  Knots, links, and 4-manifolds

• Albert Nijenhuis (University of Washington and University of Pennsylvania)
  Is there life without connections?

Spring 1996 (UW) May 4-5

• Daniel Pollack (University of Chicago and UW)
  Gluing constructions for noncompact geometric problems

• Robert Stanton (Ohio State)
  Secondary geometric invariants and special values of geometric zeta functions

• Dale Peterson (UBC)
  The quantum cohomology of flag manifolds

• Claude LeBrun (SUNY/Stony Brook)
  Four-manifolds without Einstein metrics

• Tomasz Mrowka (Cal Tech)
  Monopoles and Contact structures

Winter 1996 (MSRI) Feb 24

• Ron Karidi (Stanford)
  Convexity and topology of nilpotent balls

• Ngaiming Mok (University of Hong Kong and MSRI)
  From Castelnuovo-de Franchis to harmonic maps

• Steve Zelditch (Johns Hopkins and Stanford)
  Wave trace invariants and Birkhoff normal forms

• Leon Simon (Stanford)
  An asymptotic decay lemma

Fall 1995 (U of O) October 14-15

• S. S. Chern
  Riemannian Geometry as a special case of Finsler Geometry

• David Bao (University of Houston)
  Some Global Issues in Finsler Geometry

• Susan Tolman (MIT)
  Examples of non-Kaehler Hamiltonian torus actions

• Richard Hamilton (UC San Diego)
  Remarks on the Ricci flow on 3 manifolds

• Juha Pohjanpelto (Oregon State University )
  Invariant variational bicomplexes -- new applications of the Gelfand-Fuks cohomology of vector fields.

Spring 1995 (Utah) April 29-30

• Brian White (Stanford)
  Branch points of minimal surfaces

• Yair Minsky (SUNY/Stony Brook and MSRI)
  Rigidity in Kleinian Groups

• Mohan Ramachandran (SUNY/Buffalo and Utah)
  Complete Kahler Manifolds with Bounded Geometry

• Boris Botvinnik (University of Oregon)
  Existence and Classification of Metrics with Positive Scalar Curvature

• Ben Andrews (Stanford)
  Geometric Evolution Equations and Poincare Inequalities

Winter 1995 (MSRI) March 4

• Peter Scott (University of Michigan and MSRI)
  Intersections of curves, surfaces and subgroups

• Lee Mosher (Rutgers/Newark and MSRI)
  Using laminations to study hyperbolization

• Richard Montgomery (UC Santa Cruz)
  Subriemannian Volumes

• David Auckly (UC Berkeley)
  Vanishing theorems for the Seiberg-Witten equations

• Eric Bedford (Indiana University and MSRI)
  Dynamics of Polynomial Diffeomorphisms of C^2

Fall 1994 (PSU) Oct 22-23

• Zhong Ge (Fields Institute)
  Subriemannian geometry

• Dmitry Fuchs (UC Davis)
  Godbillon-Vey characteristic classes of foliations

• Dragan Milicic (Utah)
  Equivariant derived categories, Zuckerman functors and cohomology of standard D-modules

• Viktor Ginzburg (Stanford)
  Momentum mappings in Poisson geometry

• Christine Escher (Oregon State)
  Non-equivariant minimal isometric immersions of homogeneous space forms into spheres

Spring 1994 (UBC) April 23-24

• Alexander Givental (UC Berkeley)
  Mirror and Toric Varieties

• David Morrison (Duke)
  Glimpses of mirror symmetry

• Nick Korevaar (Utah)
  Harmonic maps with metric space targets

• Ron Fintushel (Michigan State)
  Immersed 2-spheres and the Donaldson series

Winter 1994 (MSRI) Jan 29

• Stephan Stolz (Notre Dame)
  Manifolds of positive curvature

• Ralph Cohen (Stanford)
  The topology of the compactifications of certain gauge theory moduli spaces

• Carolyn Gordon (Washington University)
  Isospectral Riemannian manifolds which are not locally isometric

• Robert Bryant (Rice)
  The geometry of conservation laws for parabolic equations

Fall 1993 (UO) Oct 16-17

• Joe Wolf (UC Berkeley)
  Partially Holomorphic Vector Bundles and their Cohomologies

• Lang-Fang Wu (Princeton)
  A new result for the porous medium equations derived from the Ricci flow

• Toshiki Sunada (Tohoku/MSRI)
  A Discrete Analog of Periodic Magnetic Schroedinger Operators

• Tudor Ratiu (UC Santa Cruz)
  The Kostant Convexity Theorem for the Diffeomorphism Group of the Annulus

• Michael Kapovich (Utah)
  On monodromy of complex-projective structures on Riemann surfaces

Spring 1993 (UW) May 1-2 (Joint with Cascade Topology Seminar)

• Reese Harvey (Rice)
  Residue Theorems in Geometry

• John Morgan (Columbia)
  Gauge Theory and the Topology of Complex Surfaces

• Eric Friedlander (Northwestern)
  Topology of Algebraic Cycles

• John Berge (UBC)
  How to Find All Embeddings of the Exterior of a 1-Tunnel Manifold in the 3-Sphere

• Dick Hain (Duke)
  Hodge Theory and the Topology of Moduli Spaces of Riemann Surfaces

• Bill Meeks (UMass)
  Recent Results on the Topology, Geometry and Conformal Structure of Complete Minimal Surfaces in R^3

Winter 1993 (MSRI) Feb 27

• Xavier Gomez-Mont
  A formula for the Poincare-Hopf index of vector fields on singular varieties

• Chad Schone
  Varieties Dominated by Products of Varieties

• Alan Weinstein (Berkeley)
  Traces and Triangles on Symmetric Symplectic Spaces

• Adolfo Sanchez-Valezuela
  Differential Equations on Z2-Graded Manifolds

Fall 1992 (OSU) Oct 31-Nov 1

• Clint McCrory (Georgia/MSRI)
  Singularities of Gauss maps

• Jim Isenberg (UO)
  Non Constant Mean Curvature Solutions of the Einstein Constraint Equations

• Bob Hardt (Rice)
  The location of singular points for p-harmonic mappings

• Iwona Grzegorczyk (OSU)
  Moduli of vector bundles on Riemann surfaces

Spring 1992 (Utah) Apr 11-12

• Tom Mrowka (Cal Tech)
  Gauge Theory for Embedded Surfaces

• Jim Cannon (BYU)
  Squaring rectangles: the combinatorial Riemann mapping theorem and hyperbolic groups

• Mike Wolf (Rice)
  Harmonic Maps and Teichmuller Space

• Bennet Chow (Minnesota)
  Entropy and Geometric Evolution Equations

• Luen Fai Tam (UC Irvine)
  Harmonic Maps Between Hyperbolic Spaces

Winter 1992 (MSRI) Mar 14

• Christopher Croke
  Rigidity and Conjugacy of Geodesic Flows

• Greg Kuperberg
  Every finite-dimensional Hopf algebra yields a 3-manifold invariant

• Joel Haas
  Progress in the classification of non-Haken 3-manifolds

• Richard Schoen
  Minimal surfaces and holomorphic curves

Fall 1991 (UO) Nov 9-10

• Yakov Eliashberg (Stanford)
  New results on compact 3-manifolds

• Antonella Marini (Utah)
  A nonstandard elliptic theory: boundary value problems for Yang-Mills connections

• Rafe Mazzeo (UW)
  Analytic surgery and the eta invariant

• Frank Quinn (VA Tech)
  Gromov convergence of stratified sets

• Deane Yang (Polytechnic University)
  Convergence and collapse of Riemannian manifolds

Spring 1991 (UW) May 4-5

• Peter Li (U of AZ)
  Proper harmonic maps between hyperbolic spaces

• Stephen Semmes (Rice)
  A generalization of Riemann mappings for several complex variables

• Anatolii Fomenko (Moscow State/UBC)
  A new theory of topological classification of integrable Hamiltonian systems of differential equations

• Matt Grayson (IBM)
  Curve shortening with very bad initial conditions

Winter 1991 (MSRI) Mar 9-10

• Vaughn Jones (Berkeley)
  Equivalent tangles

• Peter Gilkey (UO)
  Manifolds whose curvature operator has constant eigenvalues

• Bertram Kostant (MIT)
  Symplectic structures, nilpotent orbits, and the exceptional Lie groups

Fall 1990 (OSU) Nov 10-11

• Tom Duchamp (UW)
  Moduli for Convex Domains

• Richard Hamilton (UCSD)
  The Formation of Singularities in the Ricci Flow

• I. B. Penkov (Berkeley)
  Geometric Representation for Lie Superalgebras

• J. T. Pitts (Texas A & M)
  New Existence Theorems for Minimal Hypersurfaces

Spring 1990 (UO) May 5-6

• Carolyn Gordon (Wash U)
  When you can't hear the shape of a manifold

• Leon Simon (Stanford)
  Asymptotics for solutions of geometric problems

• William Thurston (Princeton)
  Self-similar tilings

• Johan Dupont (Aarhus/Stony Brook)
  Cheeger-Chern-Simons classes for locally symmetric spaces of non-compact type

• Nolan Wallach (Rutgers)
  Zonal spherical functions and the distribution of the eigenvalues of the Laplacian

Winter 1990 (MSRI) Jan 13-14

• S. Bradlow (UCSD)
  Holomorphic bundles with global sections: stability and the Yang-Mills equations

• K. Corlette (Chicago)
  Hodge theory and variations

• R. Greene (UCLA)
  Geometric invariants and biholomorphic maps

• G. Segal (Oxford)
  Quantum field theory and geometry

Spring 1989 (UW) May 6-7

• Jean-Luc Brylinski (Penn State)
  Elliptic cohomology and the elliptic genus

• Madhav Nori (Chicago)
  Automorphisms of period spaces

• Blaine Lawson (Stony Brook)
  A theory of algebraic cocycles

• Peter Braam (Utah)
  Limits and boundary values of hyperbolic monopoles

Winter 1989 (MSRI) Jan 21-22

• Michael Atiyah (Oxford)
  Algebraic curves and non-abelian gauge theories

• Tevian Dray (OSU)
  Junction conditions in general relativity

• Bob Macpherson (MIT)
  Projective configurations and modular varieties

• Dan Freed (Chicago)
  Mod k index theorem

• Ed Witten (IAS/Princeton)
  Quantum field theory and the Jones polynomial

Fall 1988 (Utah) Nov 5-6

• S. Mori (Nagoya Univ./Utah)
  Birational classification of threefolds

• S. Mukai (Nagoya Univ./UCLA)
  Classification of Fano manifolds

• N. Nygaard (Chicago/BYU)
  L-functions of some Siegel modular threefolds

• J. Jantzen (UO)
  The discrete series of SL(2,F_q) via crystalline cohomology

• J.-L. Verdier (Ecole Norm. Sup. Paris)
  Elliptic solitons and rational surfaces

Spring 1988 (UBC) Apr 9-10

• Bertram Kostant (MIT/MSRI)
  SL(2,R), Virasoro and Jesse Douglas' solution of the Plateau problem

• A. T. Fomenko (Moscow State/UBC)
  New topological invariant of integrable Hamiltonian systems

• A. Todorov (Bulgarian Academy of Sciences/USC)
  Weil-Petersson geometry of Calabi-Yau manifolds

• D. Rod (Calgary)
  Geometric aspects of Ziglin's non-integrability theorem in complex Hamiltonian dynamics

Winter 1988 (MSRI)

Fall 1987 (OSU) Oct 31-Nov 1

• Dale Peterson (UBC)
  Loop groups, the Schubert calculus, and representation theory

• Charles Boyer (Clarkson)
  Instantons, monopoles, and iterated loop spaces

• John M. Lee (UW)
  Normal coordinates for CR manifolds

• Steve Harris (OSU)
  Conformally completable immersions

Spring 1987 (UW) May 2-3

• Spencer Bloch (Chicago)
  Motive-ation!

• Robert Mizner (UW)
  The geometry of codimension-two CR structures

• Michael Anderson (Cal Tech)
  On the topology of complete manifolds of non-negative Ricci curvature

• Eduard Looijenga (Columbia/Nijmegen)
  The L2 cohomology of locally symmetric varieties

Winter 1987 (MSRI) Feb 14-15

• Ron Donagi
  The Schottky problem

• Dinakar Ramakrishnan
  The Hodge Beilinson conjectures

• Orlando Alvarez
  String theory

• Tom Duchamp (UW)
  The geometry of complex foliations

Fall 1986 (UO) Nov 8-9

• Jerry Kazdan (Penn)
  Conformal geometry

• Domingo Toledo (Columbia)
  Complex geodesics on Hermitian symmetric spaces

• David Eisenbud (Brandeis)
  Linear series on reducible curves

• Richard Hain (UW)
  Higher logarithms

Winter 1984 (MSRI) Feb 23-24

• Peter Gilkey (University of Oregon)
  Isospectral but nondiffeomorphic manifolds

• Gerd Faltings (Princeton University)
  Arithmetic theory of Siegel modular forms

• Andrzej Derdzinski (MSRI)
  Compact Einstein 4-manifolds

• Richard M. Schoen (UC Berkeley)
  Recent progress in conformal geometry

Spring 1984 (UBC) Apr 14-15

• Frank Flaherty (OSU)
  The Yang-Mills equation on complex surfaces

• Spencer Bloch (University of Chicago)
  The Griffiths group of algebraic cycles and values of L-functions

• Lawrence Ein (MIT)
  Vector bundles on P3

• Peter Slodowy (University of Bonn & MSRI)
  
  

Winter 1984 (MSRI) Feb 25-26

• S.S. Chern (UC Berkeley and MSRI)
  Web Geometry

• Professor Robert Lazarsfeld (UCLA)
  Some Remarks on Space Curves

• Professor Sheldon Katz (Utah)
  Curves on Quintic Threefolds

• Professor Frank Flaherty (OSU)
  Yang-Mills Fields on Complex Surfaces

• Professor Joseph Harris (Brown)
  Remarks on the Lefschetz-Noether Theorem

Spring 1983 (Utah) Apr 30-May 1

• Rebecca Barlow
  Simply-connected surfaces of general type

• James Carrell (UBC)
  Geometrical decompositions of the homology of a variety

• Marie Vitulli
  Weakly normal varieties and seminormal rings

• Mark Green
  The period map for surfaces of high degree

Winter 1983 (UW) Feb 12-13

• Walter Rudin
  Eigenfunctions of the invariant Laplacian in B

• Herb Clemens
  Algebraic 1-cycles on 3-folds

• Ian Anderson
  Natural variational problems on Riemannian structures, conservation laws, and the Chern-Simons invariant

• Shahla Marvizi
  A spectrally isolated planar region

Fall 1982 (UBC) Nov 6-7

• James Isenberg (University of Oregon)
  On cosmic censorship: compact Cauchy horizon implies symmetries

• Karen Uhlenbeck (MSRI)
  Certain 4-manifolds are not smoothable

• Dick Hain (University of Washington)
  Iterated integrals, intersection theory, and link groups

• Richard Hamilton (MSRI)
  3-manifolds with positive Ricci curvature

Spring 1982 (UO) May 15-16

• R. O. Wells. Jr.
  Twistors ... and All That

• Richaxd Schoen
  Manifolds with Positive Scalar Curvature

• Alan Howard
  Some Remarks on the Theorem of Hurwitz and DeFranchi

• Ron Donagi
  A Generic Torelli Theorem for Hypersurfaces

Spring 1981 (UW) May 2-3

• Chris Cosgrove
  Applications of Lie Groups, Bäcklund transformations, and inverse scattering to Einstein's field equations

• Bill Thurston
  Space-filling curves and hyperbolic crystallographic groups
  
  

• Judith Arms
  Symmetry and bifurcation of momentum mappings

• Mark Green
  Higher derivatives of the period map

Fall 1980 (UBC) Nov 1-2

• Robert Kottwitz (Washington)
  Shimura varieties

• Jean-Pierre Bourguignon (Stanford)
  Self duality of Yang-Mills and gravitational instantons

• Jeff Cheeger (Stony Brook)
  Analysis on singular spaces

• Dragan Milicic (Utah)
  Asymptotic behavior of matrix coefficients of representations of semi-simple Lie groups

• John Millson (UCLA)
  Hyperbolic cycles and cusp forms for SL3

Spring 1980 (UW) May 10-11

• Bob Lazarsfeld
  Branched Coverings of Projective Spaces

• Enrico Arbarello
  Brill-Noether Problem

• James Carrell
  Homology of compact Kähler manifolds with a C* action

• Robert Molzon
  Application of Capacity to Geometry of Analytic Varieties

• Andy Sommese
  SL(2,C) actions on Kähler manifolds

Winter 1980 (Utah)

• Mark Goresky

• John Morgan

• James Morrow

Fall 1979 (OSU) Nov 10-11

• Alan Durfee
  Neighborhoods of algebraic sets

• Fred Almgren FRED ALMGREN "
  Geometric measure theory and the calculus of variations

• Herb Clemens
  Rank 2 vector bundles on P3 — a theorem of Van de Ven

• Manfredo DoCarmo
  Minimal submanifolds

Spring 1979 (UW) May 19-20

• Dan Burns (University of Michigan)
  Curvatures of Foliations and Parabolic Mani folds

• Chia-Kuei Peng (University of Science & Technology, Kofei, China)
  Lie Groups and Kortweg-de-Vries Equations

• Tom Duchamp (Utah)
  A Criterion for a Differential Equation to be Globally Variational

• Michael Cowen (SUNY Stony Brook)
  Complex geometry and Operator Theory

Winter 1979 (UBC) Feb 10-11

• Robin Hartshorne (Berkeley)
  Vector bundles on projective spaces

• Klas Diederich (Princeton/Wuppertal, Germany)
  Proper holomorphic maps

• S. Ramanan (UCLA)
  The moduli problem

• Mark Goresky (UBC)
  The Lefschetz hyperplane theorem for singular varieties

Fall 1978 (OSU) Nov 4-5

• Robert Varley (Utah)
  Vector bundles and complete intersections

• George Kempf (Johns Hopkins)
  Inverting Abelian integrals

• Katsuhiro Shiohoma (UCLA)
  Convex functions on complete open manifolds

• Hal Parks (OSU)
  Minimizing hypersurfaces

Spring 1978 (UW) April 22-23

• Reese Harvey (Rice)
  Fundamental solutions to the Cauchy-Riemann equations on a convex domain

• Jeff Rosoff (OSU)
  The semigroup of effective divisor classes on an algebraic variety

• Domingo Toledo (Columbia)
  Currents, coherent sheaves, and intersection theory

• Robert Osserman (Stanford)
  Minimal surfaces in high codimension

• John Polking (Rice)
  Fundamental solutions of the induced Cauchy-Riemann equations

Winter 1978 (Utah) Feb 25-26

• David Mumford
  Spectral Varieties and Spectral Bundles Associated to Difference Operators

• I. M. Singer
  Some Problems in Global Differential Geometry Motivated by Quantum Field Theory

• R. O. Wells, Jr.
  On the Holomorphic Representation of Solutions of the Zero-Rest-Mass Field Equations

• Raoul Bott will present "
  The Yang-Mills Equations over Riemann Surfaaes

Fall 1977 (UBC) Nov 5

• S.-S. Chern

• Philip Griffiths

Spring 1977 (UO) May 7-8

• Robin Hartshorne (Berkeley)
  Vector bundles and space curves

• Arnold Kas (OSU)
  A handlebody version of the Lefschetz hyperplane theorems

• Boris Moishezon (Utah)
  Plane curves and braid groups

• Marie Vitulli (UO)
  Deformations of monomial curves

Winter 1977 (UBC) Feb 12-13

• Herbert Clemens (Utah)
  Prym varieties and their relation to Jacobian varieties in low dimension

• S.-T. Yau (Stanford)
  Some consequences of the Calabi conjecture

• Robion Kirby (Berkeley)
  Handlebody decompositions of complex surfaces

• David Lieberman (Brandeis)
  The local Torelli problem

Spring 1976 (UBC) Mar 26

• Blaine Lawson