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The homotopy seminar is a graduate student run seminar for all topologists and geometers in the department. Our goal is to make these talks accessible to graduate students.

We meet during the academic year on Tuesday from 10:00 - 10:50 in Deady 210.

Fall Quarter, 2006

  • September 26 - Organizational meeting
  • October 3 - Chad Giusti
    Chen integrals for iterated loop spaces
  • October 10 - Ruth Vanderpool
    Triangulated categories
  • October 17 - Sammy Black
    Khovanov homology
  • October 26 (N.B. Thu at 1 PM in 102 Deady) - Aaron Leeman
    A relationship between periodization and the plus construction
  • October 31 - Boo!
  • November 9 (N.B. Thu at 1 PM in 102 Deady) - Mark Walsh
    Spaces of non-negative curvature
  • November 16 (N.B. Thu at 1 PM in 102 Deady) - Bill Kronholm
    Equivariant cohomology with constant Z/2 coefficients
  • November 21 - No seminar this week
  • November 28 - Matt Miller
    Intersection theory in orbit configuration spaces
  • December 5 - Ole Andersson from Uppsala University
    A geometric classification of locally stable maps

Winter Quarter, 2007

  • January 9 - Organizational meeting
  • January 16 - Ruth Vanderpool
    The derived category of some friendly chain complexes
  • January 23 - Aaron Leeman
    When periodization yields the plus construction
  • January 30 - Chad Giusti
    An overview of rational homotopy theory
  • February 6 - Mark Walsh
    Spin structures on manifolds
  • February 13 - Matt Miller
    Latin squares and nets
  • February 20 - Bill Kronholm
    A primer on homotopy colimits
  • February 27 - Sammy Black
    Vassiliev invariants and the Kontsevich integral
  • March 6 - Sammy Black
    The Kontsevich integral (redux)
  • March 13 - Aaron Leeman
    An (almost) exact sequence

Spring Quarter, 2007

  • April 3 - No meeting
  • April 10 - Sammy Black
    Milnor's conjecture and the slice genus of a knot
  • April 17 - Ruth Vanderpool
    Brown's representability theorem
  • April 24 -
  • May 1 - Bill Kronholm
  • May 8 -
  • May 15 - Mark Walsh
  • May 22 - Aaron Leeman
  • May 29 - Chad Giusti
  • June 5 -

If you wish to speak in the homotopy seminar or have questions please contact Sammy Black at sblack1@uoregon.edu