Differential Geometry & Symplectic Topology Seminar

School of Mathematics, University of Minnesota






2006-2008  
Organizer: Tian-Jun Li
Time: Thursdays  1:25 p.m. (Sometimes on Tuesdays)

Place: Vincent Hall 570.

 

2007-2008

DATE SPEAKER TITLE
August 30 Ke Zhu
University of Wisconsin
"Scale-dependent gluing, Floer trajectories with immersed nodes and the PSS-map"
September 13 Yi Ni
Columbia University
Colloquium talk "Heegaard Floer homology and fibred 3-manfiolds"
September 15 Jun Li
Stanford University
GLGC talk ""Holomorphic two-forms and GW-invariants"
September 15 Albrecht Klemm
University of Wisconsin
GLGC talk "Analytic open string amplitude for toric Calabi-Yau form matrix model"
September 15 Aleksey Zinger
SUNY Stony Brook
GLGC talk "The Geometry of Genus-One Gromov-Witten Invariants and Mirror Symmetry"
September 15 Yong-Geun Oh
University of Wisconsin
GLGC talk "PSS-isomorphism revisited"
September 15 Ciprian Manolescu
Columbia University
GLGC talk "Combinatorial cobordism maps in hat Heegaard Floer theory"
September 16 Davesh Maulik
Columbia University
GLGC talk "Gromov-Witten theory and Noether-Lefschetz theory"
September 16 Yuan-Pin Lee
University of Utah
GLGC talk "Functoriality of Gromov--Witten theory under K-equivalent transformations"
October 1 Kaoru Ono
Hokkaido University
Joint with Topology seminar "The flux conjecture and its analog for Lagrangian submanifolds"
October 18 Robert Gulliver
University of Minnesota
"Net total curvature of graphs"
October 25 Alexey Zhubr
Univ. of Minn./Russian Academy
"On a direct definition of the `exotic' invariant for 6-manifolds"
November 1 Yongwu Rong
George Washington University
"Khovanov type homologies for graphs"
November 12 (Monday, 2:30 in Vincent 209) Ben Weinkove
Harvard University
"The Kahler-Ricci flow, stability and curvature"
November 13 (Tuesday, 3:20 in Vincent 16) Ben Weinkove
Harvard University
Colloquium talk "Symplectic forms, Kahler metrics and the Calabi-Yau equation"
December 4 (Tuesday, 3:20 in Vincent 16) Spyros Alexakis
Princeton University
Colloquium talk "The decomposition of global conformal invariants: On a conjecture of Deser and Schwimmer "
December 5 (Wednesday, 3:30 in Vincent 16) Spyros Alexakis
Princeton University
"The renormalized area functional and the moduli space of minimal surfaces in complete hyperbolic 3-manifolds"
December 6 Ionut Ciocan-Fontaine
University of Minnesota
"Virtual fundamental classes via dg-manifolds"
December 13 Natasha Sesum
Columbia University
"The harmonic mean curvature flow of a 2-dimensional hypersurface"
Abstract
December 13 (Thursday, 3:20 in Vincent 16) Natasha Sesum
Columbia University
Colloquium talk "The Ricci flow and the asymptotics of its solutions on R^2"
Abstract
January 24 Aobing Li
University of Wisconsin
"A fully nonlinear Yamabe Problem"
Abstract
January 29 (Tuesday) Sasha Voronov
University of MInnesota
"The quantum master equation of open-closed theory"
February 7 Sasha Voronov
University of Minnesota
"The quantum master equation of open-closed string theory--a continuation"
February 14 Emanuel Diaconescu
Rutgers University
"Local Donaldson-Thomas Theory via ADHM Sheaves"
Abstract
February 15 (Friday, 2:30) Emanuel Diaconescu
Rutgers University
"Extremal transitions and localization in Gromov-Witten theory"
Abstract
February 19 (Tuesday) Anar Akhmedov
Gatech
"Exotic 4-manifolds with small Euler characteristics"
Abstract
February 21 Tian-Jun Li
University of Minnesota
"Uiruled submanifolds in symplectic geometry"
February 28 Tian-Jun Li
University of Minnesota
"Uiruled submanifolds in symplectic geometry-continued"
March 4 (Tuesday) Basak Gurel
University of Montreal
"Periodic Orbits of Twisted Geodesic Flows and Floer Homology"
Abstract
March 13 Akira Ushijima
Kanazawa University
"Fuchsian groups and their generic fundamental polygons"
Abstract
March 20 Seppi Dorfmeister
University of Minnesota
"Relative symplectic cones"
March 27 Tedi Draghici
Florida International University
"Integrability results for almost K\"ahler 4-manifolds"
Abstract
April 3 Guoyi Xu
University of Minnesota
"Harmonic mean curvature flow"
April 10 Jongil Park
MSRI/Seoul National University
"New algebraic surfaces with p_g=0 and K^2>0"
April 17 Chuck Doran
University of Washington
"Normal Forms, K3 Surface Moduli, and Modular Parametrization"
April 24 Chris Leininger
UIUC
"The length spectrum of a flat structure"

 

2006-2007

DATE SPEAKER TITLE
September 7 Mikio Furuta
University of Tokyo
"Cobordisms among copies of Lens spaces L(p,1) and L(-p, 1)"
September 12 (Tuesday) Yukio Kametani
Keio University
"4-manifolds and quadratic forms--On the 10/8 inequaltiy"
September 14 Dusa McDuff
Stony Brook
Colloquium talk "What is symplectic topology"
September 15-17 Yamabe symposium

Geometry and Symplectic Topology
September 19 (Tuesday) Mikio Furuta
University of Tokyo
"An integral lift of Rokhlin invariant"
September 20 (3:35 Wednesday) Jaigyoung Choe
KIAS
PDE seminar "Rigidity of Capillary Surfaces and First Eigenvalue of Minimal surfaces "
September 28 Mikio Furuta
University of Tokyo
Colloquium talk "What is Gauge theory"
October 19 Jiaping Wang
University of Minnesota
"Kahler manifolds with positive spectrum"
October 24 (Tuesday) Jiaping Wang
University of Minnesota
"Kahler manifolds with positive spectrum--continued"
November 2 Reza Pakzad
MPI/UMN
"Geometric rigidity of Sobolev type deformations"
Abstract
November 9 James Sparks
Harvard University
"Sasaki-Einstein manifolds "
November 16 Ben Weinkove
Harvard University
"The Calabi-Yau equation and symplectic 4-manifolds".
December 7 Jian Song
Johns Hopkins Univ.
Coloquium talk "The K\"ahler canonical metrics and K\"ahler Ricci flow".
Abstract
December 8 (12:20 Friday, Vincent Hall 207) Jian Song
Johns Hopkins Univ.

December 11 (1:25 Monday, Vincent 16) Dan Knopf
Univ. of Texas
"Local singularities of Ricci flow"
Abstract
December 12 (1:25 Tuesday, Vincent 207) Dan Knopf
Univ. of Texas
"Heatball localizations of monotone functionals for Riemannian manifolds "
Abstract
Jan. 18 (vincent 16) Michael Usher
Princeton Univ.
"The topology of symplectic four-manifolds"
Abstract
Jan. 19 (12:20 Friday, Vincent Hall 207) Michael Usher
Princeton Univ.
"Minimality, Kodaira dimension, and symplectic sums "
Abstract
Jan. 25 Al Marden
Univ. of Minnesota
"Uniformly perfect plane regions and application to hyperbolic convex hulls"
Abstract
Feb. 1 Simon Morgan
Univ. of Minnesota
"Multi-scale flat norm and its minimizing currents "
Abstract
Feb. 8 Scot Adams
Univ. Minnesota
"From Lorentzian dynamics to the decay of matrix coefficients"
Abstract
Feb. 15 Pan Peng
Harvard Univ.
" Large N Chern-Simons/Topological String duality and integrality structure in the Gromov-Witten theory"
Feb. 16 (12:20 Friday, Vincent Hall 207) Pan Peng
Harvard Univ.
"On a proof of Labastida-Marino-Ooguri-Vafa Conjecture"
Feb. 22 Slaven Jabuka
Univ.of Nevada at Reno
"Pretzel knots, concordance and Heegaard Floer homology"
Abstract
March 1 Josef Dorfmeister
Univ. Minnesota
"A sum formula of symplectic cone"
March 8 Junho Lee
Michgan State Univ
"Gromov-Witten Invariants of Kahler Surfaces with holomorphic 2-forms"
Abstract
March 22 Peter Storm
Stanford Univ.
"Applying Perelman's work to hyperbolic volume "
Abstract
March 30 Anar Akhmedov
Geogia Tech
"Construction of new symplectic cohomology S^2 \times S^2 and small exotic manifolds"
Abstract
April 5 Ken Bromberg
Univ.of Utah
"Deformations of hyperbolic cone-manifolds"
Abstract
April 13 Hao FANG
Univ. Iowa
"On the geometry of intermediate Jacobians"
April 19 Nicos Kapouleas
Brown Univ.
"Minimal surfaces by doubling the Clifford Torus and other gluing constructions"
April 26 Weiyi Zhang
Univ. of Minnesota
"Tamed symplectic structures on complex manifolds"
May 24 Jianxun Hu
Univ. of Michigan
"Comparison of Gromov-Witten invariants"




Seminars in the School of Mathematics.
e-mail: tjli@math.umn.edu