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. 

Spring 2025 (UBC) May 10-11

• Richard Bamler, (UC Berkeley)
  On the Multiplicity One Conjecture for Mean Curvature Flows of surfaces

• Tristan Collins, (U Toronto)
  Free-boundary Monge-Ampere equations and geometric applications

• Laura Fredrickson (U Oregon)
  The asymptotics of hyperkahler metrics from Gaiotto--Moore--Neitzke's conjecture

• Yi Lai (Stanford)
  Convergence of Ricci flow and long-time existence of Harmonic map heat flow

• Tin Yau Tseng (UBC)
  Mass for the large and for the small 

• Sergio Zamora (Oregon State)
  Torus stability and lower curvature bounds

• Jonathan Zhu (U Washington)
  Uniqueness results for sphere-ish minimal surfaces
  
  

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

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 (video)

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

Spring 2011 (UW) May 7-8

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

• 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 

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

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

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

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

• 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

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

• 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
  
  

Spring 2009 (UBC) May 1-2

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

• 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
  
  

Fall 2008 (OSU) Oct 25-26

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

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

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

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

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

Spring 2008 (UW) May 10-11

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

• 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

• 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

Fall 2007 (U of Oregon) October 20-21

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

• Xuan Hien Nguyen (Cincinnati)
  Translating tridents

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

• 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

• 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

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

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

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

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

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