Columbia University Mathematics Colloquium

Fall 2013

The Columbia Mathematics Department Colloquium meets in Math 520 approximately every three weeks on Wednesday afternoons at 5:00, and is preceded by tea at 4:30. Colloquia are of general mathematical interest and aimed at both faculty and graduate students.

Please click on the title for the abstract of the talk.

Sept. 18
Noga Alon (Tel Aviv University and IAS)
Random Cayley Graphs
Oct. 9
Ngô Bảo Châu (U. Chicago)
On the average rank of elliptic curves over function fields
Oct. 23
Wolfgang Lueck (Bonn)
L^2-invariants and their applications to
topology, geometry and group theory

Nov. 13
Richard Melrose (MIT)
Loops, Spin and String structures
Nov. 20
Mikhail Kapranov (Yale)
Triangulated surfaces in triangulated categories

Past semesters' pages: Spring 2007, Fall 2007, Spring 2008, Fall 2008, Spring 2009, Fall 2009, Spring 2010, Fall 2010, Spring 2011, Fall 2011, Spring 2012, Fall 2012, Spring 13

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Co-Organizers: Mohammed Abouzaid, Julien Dubédat, and Mikhail Khovanov