Columbia Geometric Topology Seminar 

Click on the title of a talk for the abstract (if available).

January 30 Double Header 11am	Bruce Kleiner  (U. Michigan)	The cohomology of a group with group ring coefficients
January 30 Double Header 1:15pm	Aaron Abrams  (U. Georgia)	Discretized configuration spaces
February 5 (Thursday) 1pm, Math 528	Xiao-Song Lin  (UC Riverside)	Zeros of the Jones polynomial
February 6 Double Header 11am	Tao Li  (Oklahoma State U.)	Foliations, laminations and branched surfaces in 3-manifolds
February 6 Double Header 1:15pm	Xiao-Song Lin  (UC Riverside)	Higher order knot signature
February 10 (Tuesday) 3pm, Math 528	David Bachman  (California Poly. U.)	The topology of generic 3-manifolds
February 12 (Thursday) 1pm, Math 528	Michael Polyak  (Technion)	Polynomials and cubic complexes in low-dim topology
February 13 Double Header 11am	Michael Polyak  (Technion)	Tree-like and genus one invariants of links
February 13 Double Header 1:15pm	Stavros Garoufalidis  (Georgia Tech)	The characteristic and deformation varieties of a knot
February 20	William Menasco  (SUNY Buffalo)	Recognizing reducible closed braid and monotonic simplification
February 27	Ilya Kofman  (Columbia)	Mahler measure of the Jones polynomial
March 4 (Thursday) 4pm, Math 528	Thomas Fiedler  (MSRI)	A solution of the knot problem for trihedron free knots
March 5	Thomas Fiedler  (MSRI)	New knot invariants
March 12	Effie Kalfagianni  (Michigan State U.)	Finite type knot invariants and Dehn surgery
March 19	No seminar	Spring Break
March 26 Double Header  1:15pm	Oleg Viro  (Uppsala U.)	Thistlethwaite subcomplex in the Khovanov complex
March 26 Double Header  2:30pm	Alexander Shumakovitch  (Dartmouth)	Torsion of the Khovanov Homology
April 2	No seminar
April 9	Mustafa Korkmaz  (Middle East Tech. U.)	Homomorphisms from mapping class groups
April 16 Double Header  11am	Mustafa Korkmaz  (Middle East Tech. U.)	A construction of a Lefschetz fibration with prescribed fundamental group
April 16 Double Header  1:15pm	Matthias Kreck  (Heidelberg)	Manifolds from real life: old and new results
April 26 (Monday) 4pm  Math 405  DATE CHANGED!	Alan Reid  (UT Austin)	Extensions, retractions and LERF
April 30 Double Header  11am	Stanislav Jabuka  (Columbia)	Heegaard Floer homology of certain mapping tori
April 30 Double Header  1:15pm	Alexander Ushakov  (CUNY)	Random van Kampen diagrams and algortihmic problems in groups