Meeting time: Wednesdays, 4:10  5:00, A304 Wells Hall 
Feb 11 
Matt Hedden, 'On the knot theory of complex and symplectic curves' 
Feb 18 
Luke Williams, 'Obstructing sliceness in a family of Montesinos knots' 
Mar 4 
Jessica Purcell, Brigham Young, 'Hyperbolic structures on compression bodies' 
Mar 18 
Sang Youl Lee, Pusan National U. (Korea) and MSU, 'A construction of statesum type invariants of surfacelinks in R^{4}^{'} 
Mar 25

Elmas Irmak, Bowling Green, 'Mapping class groups and the complexes of arcs on orientable/nonorientable surfaces' 
Apr 8 
Nathan Sunukjian, 'Exotic group actions on 4manifolds' 
Apr 15 
Christopher Mooney, U. Michigan, 'On boundaries of CAT(0) groups' 
Apr 29 
Mikio Furuta, U. Tokyo, 'Polarizations and the moduli space of flat connections on a Riemann surface' 

Meeting
time: Tuesdays, 4:10  5:00, A304 Wells Hall 
Mar 17 
Andrew Cooper, 'Mean curvature blowup in mean curvature flow' 
Apr 28 
Francois Ledrappier, Notre Dame, 'Linear drift and noncommutative ergodic theorems' 

Meeting
time: Fridays, 1:50  2:40, A517
Wells Hall 
Jan 23 
Andrew Cooper, 'Surgery in mean curvature flow' 
Jan 30 
Jeff Chapin, 'Pseudoholomorphic curves and symplectizations' 
Feb 6 
Oh Hoon Kwon, 'The hprinciple for open invariant relations' 
Feb 13 
Luke Williams, TBA 
Feb 17 
Oh Hoon Kwon, 'The hprinciple for open invariant relations' (3:00  3:50 Tuesday) 
Feb 20 
Cagri Karakurt, 'Planar open books' 
Feb 27 
Chris Cornwell, 'The Morton inequality for lens spaces' 
Mar 6 
Kyungbae Park, 'The fundamental group in nonpositive curvature' 
Mar 20 
Onur Agirseven, 'Characteristic curves and Mod_{S}' 
Mar 27 
Chaitanya Senapathi, 'Proof of the soul conjecture of Cheeger and Gromoll by Grigory Perelman' 
Apr 3 
Wei Fan, 'Handlebodies' 
Apr 10 
Kwangho Choi, 'Regularity of harmonic maps from surfaces' 
Apr 17 
Cheryl Balm, 'Spin structures' 
Apr 24 
Dan Smith, 'Morse homology' 
May 1 
Nathan Sunukjian, TBA 

 Meeting
time: Mondays, 1:50  2:40, A304 Wells Hall 
Feb 2 
Sara Rowell, 'The classification of surfaces' 
Feb 9 
Dennis Ross, 'Every finitely presented group is the fundamental group of a 4manifold' 
Feb 16 
David Krcatovich, 'The Brouwer fixedpoint theorem' 
Feb 23 
Kenneth Barrese, 'The Alexander polynomial' 
Mar 2 
Faramarz Vafaee, 'Branched covers' 
Mar 16 
Jingguo Lai, 'The PoincareHopf index theorem' 
Mar 23 
Manousos Maridakis,'The Lefschetz fixed point theorem' 
Mar 30 
Daniel Barkley, 'The Jordan separation theorem' 
Apr 6 
Elizabeth Wilson, 'The homology of lens spaces' 
Apr 13 
Martin Kell, 'Morse homology' 
Apr 20 
Nikolaos Pattakos, 'Division algebras' 
Apr 27 
Henrik Jansson, 'The Hopf fibration' 

Meeting
time: Mondays, 4:10  5:00, A304 Wells Hall 
Mar 23 
Michael Shapiro, 'Introduction to integrable systems' 
Mar 30 
Selman Akbulut, 'Knotting corks' 
Apr 6 
Michael Shapiro, 'Open Toda lattice, KP, KdV, and taufunction' 
Apr 9 
Mustafa Kalafat, U. Wisconsin, 'Hyperkahler manifolds with circle actions and the GibbonsHawking Ansatz' (Thursday, 3:00 A304) 
Apr 13 
Mustafa Kalafat, U. Wisconsin, 'Topology of nonsimply connected locally conformally flat 4manifolds' 
Apr 27 
Michael Shapiro, 'KP, KdV, and taufunction' 

Meeting
time: Thursdays, 4:10  5:00, A304 Wells Hall 
Jan 22 
Ben Schmidt, U. Chicago, 'Blocking light in Riemannian manifolds' 
Feb 10 
Teena Gerhardt, Indiana U, 'Algebraic Ktheory of the dual numbers' (Tuesday) 
Feb 17 
Yaron Ostrover, MIT, 'Algebraic properties of quantum homology' (Tuesday) 
Feb 24 
Todor Milanov, North Carolina State, 'GromovWitten theory and integrable hierarchy'(Tuesday) 
Mar 2 
Pierre Albin, Stanford U, 'PoincareEinstein manifolds: renormalized integrals and index theory' (Monday) 
Apr 24 
Matt Kerr, U. Durham, 'Limiting Invariants of Algebraic Cycles'(3:00  3:50 Friday) 
