Northwestern University Mathematical Calendar
Geometry/Physics Seminar
Year 2012-2013


Tuesday, October 9, 2012

Geometry/Physics Seminar       Lunt 101, 1:00pm
Tristan Collins,   Columbia University
Title: The singularities of the Yang-Mills flow
Special Note: Note the unusual time for the actual talk.
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Tristan Collins,   Columbia University
Title: Introduction to Yang-Mills and the Donaldson-Uhlenbeck-Yau theorem
Special Note: Note the unusual time for the pre-talk.
Abstract and details available


Tuesday, October 16, 2012

Geometry/Physics Seminar       Lunt 101, 1:00pm
Pavel Safronov,   UT Austin
Title: Virasoro constraints in Drinfeld-Sokolov hierarchies
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Pavel Safronov,   UT Austin
Title: Virasoro constraints in Drinfeld-Sokolov hierarchies
Abstract and details available


Tuesday, October 23, 2012

Geometry/Physics Seminar       Lunt 101, 1:00pm
Eric Zaslow,   Northwestern University
Title: Gentle introductions to toric geometry and Morse theory
Contact info here
Geometry/Physics Seminar       Lunt 107, 4:00pm
Eric Zaslow,   Northwestern University
Title: Topology of Affine Hypersurfaces
Abstract and details available


Tuesday, October 30, 2012

Geometry/Physics Seminar       Lunt 101, 1:15pm
Emily Peters,   Northwestern University
Title: Examples of factors and a subfactor or two
Special Note: Note the unusual starting time for the pretalk.
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Emily Peters,   Northwestern University
Title: The classification of small subfactors
Abstract and details available


Tuesday, November 13, 2012

Geometry/Physics Seminar       Lunt 103, 4:00pm
Joey Hirsh,  
Title: Deformations with noncommutative parameters
Abstract and details available


Friday, November 16, 2012

Geometry/Physics Seminar       Lunt 101, 2:00pm
Scott Morrison,   Australian National University
Title: Khovanov homology for links
Special Note: Note the unusual date for the pre-talk.
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 3:00pm
Scott Morrison,   Australian National University
Title: Khovanov homology for 4-manifolds
Special Note: Note the unusual date for the actual talk.
Abstract and details available


Tuesday, November 27, 2012

Geometry/Physics Seminar       Lunt 101, 1:00pm
Vladimir Kotov,   Northwestern University
Title: A two-dimensional analog of the Atiyah-Bott theorem
Contact info here
Geometry/Physics Seminar       Lunt 107, 4:00pm
Vladimir Kotov,   Northwestern University
Title: A two-dimensional analog of the Atiyah-Bott theorem
Abstract and details available


Tuesday, December 4, 2012

Geometry/Physics Seminar       Lunt 101, 1:00pm
Yu-Shen Lin,   Harvard University
Title: Ooguri-Vafa Metric, Holomorphic Discs and SYZ Conjecture
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Yu-Shen Lin,   Harvard University
Title: Open Gromov-Witten Invariants on K3 Surfaces and Wall-Crossing
Abstract and details available


Tuesday, December 11, 2012

Geometry/Physics Seminar       Lunt 104, 11:00am
Paul Bressler,   Universidad de Los Andes, Bogota
Title: Deformation quantization algebroids
Abstract and details available
Geometry/Physics Seminar       Lunt 104, 2:00pm
Paul Bressler,   Universidad de Los Andes, Bogota
Title: Quasi-classical limits of deformation quantization algebroids
Abstract and details available


Thursday, January 10, 2013

Geometry/Physics Seminar       Lunt 105, 4:10pm
Vivek Shende,   MIT
Title: Quantum invariants of plane curve singularities
Abstract and details available


Tuesday, January 15, 2013

Geometry/Physics Seminar       Lunt 101, 1:00pm
Xiaokui Yang,   Northwestern University
Title: Positive vector bundles and vanishing theorems
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Xiaokui Yang,   Northwestern University
Title: Positivity and vanishing theorems for ample vector bundles
Abstract and details available


Tuesday, January 22, 2013

Geometry/Physics Seminar       Lunt 101, 1:00pm
Vasily Pestun,   IAS
Title: Moduli spaces of instantons and quantum groups
Abstract and details available
Geometry/Physics Seminar       Lunt 105, 3:00pm
Vasily Pestun,   IAS
Title: Moduli spaces of instantons and quantum groups
Special Note: Note the unusual time!
Abstract and details available


Tuesday, January 29, 2013

Geometry/Physics Seminar       Lunt 101, 1:00pm
Chitrabhanu Chaudhuri,   Northwestern University
Title: Affine Stratification Number and Moduli Space of Curves
Contact info here
Geometry/Physics Seminar       Lunt 107, 4:00pm
Chitrabhanu Chaudhuri,  
Title: Cohomological Excess and compactified Moduli Space of Curves
Abstract and details available


Friday, February 8, 2013

Geometry/Physics Seminar       102, 1:00pm
Danny Calegari,   University of Chicago
Title: Surface subgroups from linear programming
Special Note: Please not the unusual time and place.
Abstract and details available
Geometry/Physics Seminar       107, 3:00pm
Danny Calegari,   University of Chicago
Title: Surface subgroups from linear programming
Special Note: Please not the unusual time and place.
Abstract and details available


Tuesday, February 19, 2013

Geometry/Physics Seminar       Lunt 101, 1:00pm
Ailsa Keating,   MIT
Title: Dehn twists and free subgroups of the symplectic mapping class group
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Ailsa Keating,   MIT
Title: Dehn twists and free subgroups of the symplectic mapping class group
Abstract and details available


Tuesday, February 26, 2013

Geometry/Physics Seminar       Lunt 107, 4:00pm
Yan Soibelman,   Kansas State University
Title: BPS algebras,knot invariants,framed instantons and canonical bases
Abstract and details available


Tuesday, March 5, 2013

Geometry/Physics Seminar       Lunt 101, 1:00pm
Jacques Distler,   UT Austin
Title: Tinkertoys
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Jacques Distler,   UT Austin
Title: Tinkertoys
Abstract and details available


Thursday, March 7, 2013

Geometry/Physics Seminar       Lunt 107, 4:00pm
Daniel Berwick-Evans,   UC Berkeley
Title: Supersymmetric sigma models, elliptic cohomology and the Witten genus
Special Note: Note the unusual day!
Abstract and details available


Tuesday, March 19, 2013

Geometry/Physics Seminar       Lunt 107, 1:00pm
Josh Batson,   MIT
Title: TBA
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Josh Batson,   MIT
Title: Nonorientable slice genus can be arbitrarily large
Abstract and details available


Tuesday, April 9, 2013

Geometry/Physics Seminar       Lunt 101, 1:00pm
Gabriel C. Drummond-Cole,   Northwestern University
Title: A-infinity algebras
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Gabriel C. Drummond-Cole,   Northwestern University
Title: Homotopy algebra and probability theory
Abstract and details available


Tuesday, April 30, 2013

Geometry/Physics Seminar       Lunt 101, 11:00am
Dario Beraldo,   UC Berkeley
Title: On the chiral Whittaker category of the affine Grassmannian
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Dario Beraldo,   UC Berkeley
Title: On the chiral Whittaker category of the affine Grassmannian
Abstract and details available


Tuesday, May 7, 2013

Geometry/Physics Seminar       Lunt 101, 11:00am
Andy Neitzke,   UT Austin
Title: Spectral networks
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Andy Neitzke,   UT Austin
Title: Spectral networks
Abstract and details available


Tuesday, May 21, 2013

Geometry/Physics Seminar       Lunt 107, 4:00pm
Clay Cordova,   Harvard University
Title: Quivers and Quantum Field Theory
Abstract and details available


Tuesday, June 4, 2013

Geometry/Physics Seminar       Lunt 101, 11:00am
Eric Zaslow,   Northwestern University
Title: Legendrian Knot Categories and BPS spaces
Abstract and details available
Geometry/Physics Seminar       Lunt 107, 4:00pm
Eric Zaslow,   Northwestern University
Title: Legendrian Knot Categories and BPS spaces
Abstract and details available


Tuesday, June 18, 2013

Geometry/Physics Seminar       Lunt 105, 10:00am
Ezra Getzler,   Northwestern University
Title: Higher analytic stacks
Special Note: This is the first of two talks: the second will be at 1.30pm.
Abstract and details available
Geometry/Physics Seminar       Lunt 105, 11:30am
Paul Bressler,   Universidad de los Andes, Bogota
Title: Chern-Weil construction for transitive Lie algebroids
Abstract and details available
Geometry/Physics Seminar       Lunt 105, 2:00pm
Ezra Getzler,   Northwestern University
Title: Derived analytic stacks
Special Note: This is the second of two talks: no prerequisites are required.
Abstract and details available


Tuesday, June 25, 2013

Geometry/Physics Seminar       Lunt 105, 10:00am
Paul Bressler & Boris Tsygan,  
Title: Algebraic Index Theory, I
Contact info here
Geometry/Physics Seminar       Lunt 105, 11:00am
Ezra Getzler,   Northwestern University
Title: Derived analytic stacks
Abstract and details available
Geometry/Physics Seminar       Lunt 105, 2:00pm
Paul Bressler & Boris Tsygan,  
Title: Algebraic Index Theory, II
Contact info here



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