Meeting time: Wednesdays, 4:10  5:00, A304 Wells Hall 
Sep 23 
Matt Hedden, 'Exploiting the interplay between gauge theoretic and quantum invariants 
Sep 30 
Eric Schoenfeld, 'Symplectic field theory invariants for cotangent bundles of surfaces' 
Oct 7 
Eric Schoenfeld, 'Symplectic field theory invariants for cotangent bundles of surfaces, Part 2' 
Oct 14 
Benson Farb, U. Chicago, 'Classification problems for surface bundles over surfaces' 
Oct 21

Sucharit Sarkar, Columbia U, 'A construction of knot Floer homotopy' 
Oct 28 
No meeting this week. 
Nov 11 
Christopher Leininger, U. Illinois, 'Pairs of pure braids' 
Nov 18 
Yongzhong Xu, 'Lagrangian curves, critical points at infinity associated with a contact form on 3manifold' 
Dec 2

Hans Boden, McMaster U, 'Metabelian SL(n,C) representations of knot groups' 

Meeting
time: Mondays, 5:10  7:00, A304 Wells Hall

Sep 14 
Matt Hedden, Introduction 
Sep 21 
Chris Hays, 'The Thurston norm' (Starts at 4:10 pm this week.) 
Oct 5 
Chris Cornwell, 'Gabai's work on foliations' 
Oct 12 
Chris Cornwell, 'Gabai's work on foliations, continued' 
Oct 19

Onur Agirseven, 'Sutured manifolds' 
Oct 26 
Onur Agirseven, 'Sutured manifolds, continued' 
Nov 16 
Onur Agirseven, 'Sutured manifolds, part 3' (Starts at 4:10 pm this week.) 
Nov 30 
Matt Hedden, 'Sutured Floer homology' 
Dec 9 
Cagri Karakurt and Arda Bugra Ozer, 'Sutured Floer homology' 

Meeting
time: Tuesdays, 4:10  5:00, A304 Wells Hall 
Sep 8 
Ben Schmidt, 'The 3gap theorem and Riemannian generalizations' 
Sep 15 
Keith Burns, Northwestern U, 'Conjugate points and noninjectivity of the exponential map' 
Sep 22 
Corbett Redden, 'String classes and 3forms' 
Sep 28 
Jianguo Cao, Notre Dame, 'Perelman's Collapsing Theorem for 3manifolds I' (Monday 4:10 pm  5:00 pm A 304 WH) 
Sep 29

Jianguo Cao, Notre Dame, 'Perelman's Collapsing Theorem for 3manifolds II' (Tuesday 9:10 pm  10:00 pm A 517 WH) 
Sep 29 
Jianguo Cao, Notre Dame, 'Perelman's Collapsing Theorem for 3manifolds III' 
Oct 13 
Ovidiu Munteanu, Columbia U, 'On gradient Ricci solitons' 
Oct 27 
Daniel Cibotaru, Notre Dame, 'The odd Chern character and index localization formulae' 
Nov 24 
Ben McReynolds, U. Chicago, 'Geometric submanifolds' 

Meeting
time: Thursdays, 3:00  3:50, A517
Wells Hall 
Sep 10 
Ignat Soroko, 'Finiteness conditions in group cohomology' 
Sep 16 
Keith Burns, Northwestern U, 'Sharkovsky's Theorem'. Special
RTG Lecture (Special day, time, and place: Wednesday 4:10 pm  5:00 pm A 304 WH) 
Sep 17 
Jeff Chapin, 'An introduction to contact homology' 
Sep 24 
Chris Hays, 'Integral homology spheres' 
Oct 1

Aykut Arslan, 'Computations on Heegaard Floer homology' 
Oct 8 
Chetanya Senapathi, TBA 
Oct 20 
Sucharit Sarkar, Columbia U, 'Grid diagrams and GSS posets'. Special RTG Lecture (Special day, time, and place: Tuesday 4:10 pm  5:00 pm A 304 WH) 
Oct 22 
Kyungbae Park, 'The Maslov index' 
Oct 29 
Luke Williams, 'Branched covers' 
Nov 5 
Dan Smith, 'The Alexander polynomial via cyclic coverings' 
Nov 12 
David Krcatovich, 'Whitehead's theorem on intersection forms of simply connected 4manifolds' 
Nov 19 
Faramarz Vafaeefa, 'Morse homology on manifolds with boundary' 
Dec 3 
Thomas Jaeger, 'Lee homology of tangles' 
Dec 10 
Chris Cornwell, 'Knot Floer homology and the Thurston norm' 

Meeting
time: Wednesdays, 4:30  5:30, A117
Wells Hall

Sep 23 
Richard Shadrach, 'The Grassmannian manifold' 
Sep 30 
Adam Giambrone, 'The inverse function theorem' 
Oct 7 
Allen Cox, 'Sard's theorem and its corollaries' 
Oct 21 
Jacob Walker, 'Whitney's embedding theorem I' 
Oct 28 
Jacob Walker, 'Whitney's embedding theorem II' 
Nov 11 
Bryan Johnson, 'Tensor bundles' 
Nov 18 
Kaveh Kasebian, 'Symplectic manifolds' 
Dec 9

Xiao Feng, 'Some vector bundle constructions' 


Meeting
time: Thursdays, 4:10  5:00, A304 Wells Hall 
Sep 25 
Dmitri Burago, Penn State, 'From asymptotic volume of tori and surface area functionals in normed spaces to boundary rigidity: a survey' (Note: Friday) 
Oct 8 
Ralf Spatzier, U. Michigan, 'Rigidity in dynamics' 
Oct 15 
Benson Farb, U. Chicago, 'Some universality phenomena for surface homeomorphisms' 
Nov 2 
Cliff Taubes, Harvard (4:30  5:30 p.m. Room 115 International Center)
'Loops, surfaces and the structure of 3 and 4 dimensional spaces'

Nov 3 
Cliff Taubes, Harvard, 'The SeibergWitten equations and dynamics I' 
Nov 4 
Cliff Taubes, Harvard, 'The SeibergWitten equations and dynamics II' 

