Mark Gross, University of California, San Diego

From affine geometry to complex geometry: Instanton corrections via tropical disks.
  

Rene Reinbacher, Rutgers University

Numerical solution to the hermitian Yang-Mills equation on the Fermat quintic
  

Johannes Walcher, Institute for Advanced Study

Opening Mirror Symmetry on the Quintic
  

Ron Donagi and Tony Pantev, Penn

Langlands duality for Hitchin systems
  

Ron Donagi and Tony Pantev, Penn

NOTE: This is a continuation from October 20

Langlands duality for Hitchin systems
  

Sakura Schafer-Nameki, Caltech

On T-duality with H-flux

Andrew Neitzke, Institute for Advanced Study

The holomorphic anomaly equation, reformulated and extended

Andrei Okounkov, Princeton

TBA

January 9

Beatriz Grana Otero, Salamanca

Numerical properties of Higgs bundles. The projective case.
 Note unusual day and time. First of two M-P seminars this week.

Ugo Bruzzo, SISSA-Trieste

Numerically effective Higgs bundles on Kahler manifolds
  

Stavros Garoufalidis, Georgia Tech

Resurgence in quantum topology: wishes and facts

Paul Seidel, University of Chicago

The nearby Lagrangian problem
  

Masa-Hiko Saito, University of Kobe

Moduli spaces of stable parabolic connections, Riemann-Hilbert correspondences, and geometry of equations of Painleve type
  

Jaemo Park, Pohang University

Type I / heterotic compactifications on twisted tori and manifolds with SU(3) structures
  

Eleonora Dell'Aquila, Rutgers University

Children's Drawings from Seiberg-Witten Curves
  

N.A. Tyurin, Dubna and Institute for Advanced Study

Geometric quantization and algebraic lagrangian geometry
  

D. Kaledin, Steklov Institute and Northwestern University

Tensor categories in non-commutative geometry
  

Minxin Huang, University of Wisconsin-Madison

Topological strings on compact Calabi-Yau 3-folds and 5-dimensional black hole entropy
  

Ralph Blumenhagen, MPI for Physics, Munich

D-brane Instantons and Holomorphy
  

Charles Doran, University of Washington

Lattice Polarized K3 Surfaces and Siegel Modular Forms
  

Vincent Bouchard, Oxford University

Topological strings on orientifolds
  

Manfred Herbst, Fields Institute

B-type D-branes in Gauged Linear Sigma Models

Jonathan Weitsman, University of California, Santa Cruz

Measures on Banach manifolds, Random surfaces, and nonperturbative string theory
 Joint Geometry-Topology and Math/Physics seminar

Note unusual day and time. 

David Morrison, Duke University

Flops, D-branes, and the McKay correspondence
  

Emanuel Scheidegger, Alessandria

Topological Strings on K3 Fibrations
  

Nikita Nekrasov, IHES

Pure spinor superstring and anomalies
 Joint High Energy Theory and Math/Physics seminar

Note unusual day and time. 

Cumrun Vafa, Harvard University

The Mathematics of the Swampland
  Note unusual day and time and location

Michael Douglas, Rutgers University

Stable bundles and the attractor mechanism
  Note unusual day and time

Taizan Watari, University of California, Berkeley

Dimension-4 proton decay, Yukawa couplings and the underlying gauge symmetry in string theory
  

Alon Faraggi, University of Liverpool

Minimal Standard Heterotic String Models
  

Xenia de la Ossa, Oxford University

Arithmetic of Calabi-Yau Manifolds
  

Ludmil Katzarkov, University of Miami

Mirror symmetry for rational surfaces and non-commutative geometry
  

Katrin Wendland, University of Warwick

Conformal field theories, their limits, and their geometric interpretations
  

Sebastian Franco, MIT

Holographic Cascades
  

Eleanora dell'Aquila, Rutgers University

Fractional Branes in Landau-Ginzburg Models and Superpotentials
  

James Gray, University of Durham

Kahler Potentials for Bundle Moduli in Heterotic Compactifications
  

Pascal Grange, Ecole Polytechnique

Non-Lagrangian A-branes and T-duality
  

Eric Sharpe, University of Illinois, Urbana_Champaign

Deformation theory, stacks, and physics
 Special time and place; co-sponsored by the MPRG 

Johannes Walcher, IAS

Matrix Factorizations and Mirror Symmetry
  

Dirk Kreimer, IHES, France and Boston University

Building quantum field theory from combinatorics
  Special time and place; co-sponsored by the MPRG 

Dirk Kreimer, IHES, France and Boston University

Radiation matters - from the Lie algebra of gauge theories to polylogs
  

Eric Harrelson, University of Minnesota

Structure induced by the open-closed moduli space of Reimann surfaces utilized by Zwiebach
  Special time and place; co-sponsored by the MPRG 

Michael Schulz, Caltech

Calabi-Yau Duals of Torus Orientifolds
  

Vassily Gorbounov, University of Kentucky

Chiral differential operators and applications to topology
  

Bogdan Florea, Rutgers

All moduli stabilization in a simple IIB orientifold
  

Hisham Sati, University of Adelaide

M-theory and topology

Chiu-Chu Melissa Liu, Harvard

Moduli spaces of bordered Riemann surfaces
 Deformation Theory Seminar 

Chiu-Chu Melissa Liu, Harvard

A mathematical theory of the topological vertex
 

Murray Gerstenhaber, Penn

Deformation Quantization for Quantum Mechanics III
 Deformation Theory Seminar 

Atish Bagchi, Community College of Philadelphia

Deformation Quantization for Quantum Mechanics IV
 Deformation Theory Seminar 

Ilia Zharkov, Harvard

Linear systems on tropical curves
 

Mark Gross, University of California, San Diego

Moduli of log Calabi-Yau spaces
 

Maximilian Kreuzer, University of Vienna

Toric Geometry, Complete Intersections and Fundamental Groups
 

Kris Kennaway, University of Toronto

Dimer models and quiver gauge theories
 

Ruth Britto, IAS

Yang-Mills Amplitudes from Twistors and Unitarity
 

CANCELLED
 

Katrin Wendland, University of Warwick 

The Many Routes to K3
 Note: Special Colloquium 

Katrin Wendland, University of Warwick 

Orbifold Constructions of K3
 

Katrin Wendland, University of Warwick 

Geometric Interpretations of Conformal Field Theories Associated to K3
 

Christian Roemelsberger, University of Southern California 

Chiral Rings, Superpotentials and the Vacuum Structure of N=1 Supersymmetric Gauge Theories
 

Stavros Garoufalidis, Georgia Tech 

Wilf-Zeilberger meets Jones and Thurston
 

Marco Gualtieri, University of California, Berkeley

Generalized Geometries
 

Michael Douglas, Rutgers University

The statistics of string/M theory vacua
 Note special time and location

Amihay Hanany, MIT

Duality Walls in String Theory
 

Volker Braun, Penn

N=1 Super Yang-Mills and Derived Categories
 Note special time and location

Justin Sawon, SUNY, Stony Brook

Twisted Fourier-Mukai transforms on holomorphic symplectic manifolds
 

Christopher Herzog, University of California, Santa Barbara

Del Pezzo, Markov, and Seiberg
 

Keshav Dasgupta, Stanford University

Compactifications of Heterotic Theory on Non-Kahler Complex Manifolds
 

Alessandro Tomasiello, Ecole Polytechnique

Back-reaction to fluxes and group theory
 Note special time and location

Lev Borisov, University of Wisconsin

McKay correspondence for elliptic genera
  Note special time and location

Brook Williams, University of California, Santa Barbara

Nongeometric Heterotic String Theories
 

Amihay Hanany, MIT

Quivers and Exceptional (hidden) global symmetries
 

Axel Kleinschmidt, Cambridge University

Diagrams, Algebras and M-Theories
 

Cumrun Vafa, Harvard

Quantum Calabi-Yau Manifolds as Classical Melting Crystals
  Special joint Physics/Mathematics Colloquium
 

Sakura Schafer-Nameki, University of Hamburg

Interactions in plane-wave string theory
 

Naichung Conan Leung, University of Minnesota

G2 Geometry
 

Volker Schomerus, Saclay

Strings in the 2D Black Hole  

Ezra Getzler, Northwestern University

Frobenius manifolds in higher genus
 

Jim Stasheff, Penn

The Mathematics of Open-Closed String Field Theory
 

Nicholas Halmagyi, University of Southern California

Mass Deformations of Quiver Theories
 

Sergey Cherkis, IAS

Integrable Spin Chains and Deformations
of Super-Yang-Mills 

Albrecht Klemm, University of Wisconsin

New Developments in Topological String Theory
 

Robert Bryant, Duke University

A singular initial value problem for special Lagrangian submanifolds of C^n
Note: day and time.  Special joint seminar with Geometry-Topology Reading seminar

Bernardo Uribe, University of Michigan

Orbifold String Topology
 

Michael Schulz, Caltech

The Simplest Superstring Orientifolds with Torsion, and their Calabi-Yau Duals
  Note special day, time and location

Ron Donagi, Penn 

Vertex Algebras in Geometry and Physics: An Introduction to David Ben Zvi's Work
 

David Ben Zvi, University of Chicago

Cusps, D-Modules and Solitons

Special time & place;Joint seminar with algebra seminar
 

David Ben Zvi, University of Chicago

Geometry of Vertex Algebras
 

Ron Donagi, Penn

String Phenomenology - An Introduction to Alon Faraggi's Work
 

Alon Faraggi, Oxford

Phenomenological Aspects of M-Theory
 

Steve Shnider (Bar Ilan Univ., Israel), & Jim Stasheff (Penn)

Report from the Kreimer Conference at ESI, Vienna

A Joint Seminar with Deformation Theory
 

Yang-Hui He, Penn

D-Branes, Del Pezzos and Dualities
 

Evgeny Buchbinder, Penn

The Moduli of Vector Bundles
 

Burt Ovrut, Penn

Superpotentials for Vector Bundle Moduli
 

Antonella Grassi, Penn

Introduction to Large N Dualities and Geometry
 

Marcos Marino, Harvard

Chern-Simons Theory, Matrix Models, and Topological Strings
 

Tony Pantev, Penn

String compactifications with fluxes - an introduction to Ivanov's work
 

Jim Stasheff, Penn

The potential for string field theory
 

Stefan Ivanov, Sofia University

Strings and Calabi-Yau manifolds with torsion
 

Jim Stasheff, Penn

String Field Theory (continued discussion)
 

Alastair King, Bath and Rutgers

Pencils and strings : Vafa's mysterious duality
 

Tom Bridgeland, University of Edinburgh

Stability conditions on derived categories
 

Murray Gerstenhaber, Penn

Deformation Theory and Quantization
 

Tony Pantev, Penn

B-fields and gerbes
 

Balazs Szendroi, University of Utrecht

Enhanced gauge symmetry in Type II Compactifications
 

Alberto Cattaneo, University of Zurich

A topological field theory interpretation of string topology
 

Tamar Friedmann, Princeton University

G_2 manifolds: on dualities and unification
 

Takashi Kimura, IAS

Equivariant Topological Field Theories and Their Quotients
 

No Seminar; Spring Break
 

No Seminar
 

Madeeha Khalid, Penn

Twisted sheaves on K3 surfaces
 

Pietro Pirola, University of Pavia

Constant mean curvature surfaces in hyperbolic space and vector bundles
 

Oscar Garcia-Prada, CSIC, Madrid

Higgs bundles and representations of surface groups
 

Matthew Szczesny, Penn

Orbifolding the Chiral de Rham Complex
 

Jim Stasheff, Penn

Symplectic reduction and $L_\infty$ -algebra
 (in conjunction with Deformation Theory seminar)

Is Singer, MIT

Differential Cohomology and Differential K-Theory; Applications

CANCELED
 

Alberto Cattaneo, Harvard and University of Zurich

Covariant Poisson Sigma Model? view abstract
 

J. Maldacena, Harvard University and I.A.S.

Strings on AdS_3 and the WZW Model view abstract
 

Dirk Kreimer, BU and Mainz

The Secrets of Short Distances: Combinatorics, Operads and Numbers view abstract
 

S. Cherkis, I.A.S.

New Gravitational Instantons
 

T. Hausel, U.C. Berkeley

Mirror symmetry, Langlands duality and Hitchin systems
 

S. Gukov, Harvard University

M-Theory on Exceptional Holonomy Manifolds and Dynamics of Minimally Supersymmetric Gauge Theories view abstract
 

Evgeny Buchbinder, U. Pennn

Vector Bundle Moduli and Small Instanton Transitions
 

Anton Kapustin, Caltech

Differential Geometry of A-branes and Categorical Mirror Symmetry
 

D. Arinkin, Harvard

Fourier Transform for Quantized Completely Integrable Systems
 

Robbert Dijkgraaf, University of Amsterdam and IAS

Domain Walls in CFT and Holography
 

Sheldon Katz, University of Illinois/Urbana-Champaign

D Branes and Duality
 

M. Douglas, Rutgers University

D-Branes on Calabi-Yau manifolds
 

T. Lubensky, U. Penn

Topological Defects in Condensed Matter
 

M. Stern, Duke University

A bound state update
 

S. Gukov, Caltech

String compactification of Calabi-Yau fourfolds
 

R. Plesser, Duke University

D-branes, Discrete Torsion, and the McKay Correspondence
 

D.E. Diaconescu, IAS

Topological aspects of M theory
 

E. Zaslow, Northwestern University

Geometry of the mirror symmetry functor
 

D. Freed, University of Texas/Austin

K-theory and the Green-Schwarz mechanism
 

J. Distler, University of Texas/Austin

Torsion D-branes in Nontopological Phases
 

B. McCoy, SUNY, Stony Brook

R. Brylinski, Penn State University

Equivariant quantization of cotangent bundles
 

E. Sharpe, Duke University

Recent developments in string orbifolds
 

R. Pandharipande, Caltech

Some questions on cycles on the moduli space of curves
 

B. Acharya

The Physics and Mathematics of Special Holonomy Manifolds: Higher Dimensional Gauge Theory and Mirror Symmetry
 

C. Bartocci, University di Genova

Fourier Mukai transform and Hyperkaehler geometry
 

P. Aspinwall, Duke University

The Derived Category and Zero-Brane Stability
 

K. Uhlenbeck, University of Texas

Integrable Systems: Loop group and Virasoro actions on solution
 

S. Katz, Oklahoma State University

Duality and D-brane moduli spaces
 

J. Morgan, Columbia University

Flat G-bundles over tori
 

J. Wess, University of Munich

Noncomutative Space-Time Structure
 

K. Intriligator, University of California, San Diego; IAS

Compactified little string theories and compact moduli spaces of vacua
 

S. Kachru, Stanford University; IAS

R. Kamien, University of Pennsylvania

Minimal Surfaces, Screw Dislocations and All That
 

C. Doran, Pennsylvania State University

Characterizing modular mirror maps
 

E. Markman, University of Massachusetts, Amherst

Reflections of Hyperkahler varieties
 

M. Jardim, Yale University

The Nahm Transform of doubly-periodic instantons
 

A. Calderaru, Cornell University

Counterexamples to Torelli, Elliptic Threefolds and Twisted Sheaves
 

D. Morrison, Duke University (Joint Math/Physics Colloquium)

Is there a pot of gold at the end of every rainbow? The search for new dualities in string theory
 

A. Kapustin, IAS

Noncommutative Instantons and Twistor Transform
 

A. Tyurin

The geometry of Planckian cycles
 

T. Nevins, University of Chicago

Moduli spaces of framed sheaves on ruled surfaces
 

V. Baranovsky

On the algebraic construction of Uhlebeck moduli space
 

D. Sternheimer

Singletons and Composite Particles in an AdS Microworld