The University of Minnesota Topology Seminar


Schedule of talks in spring 2009:

January 26 Alexander Voronov
University of Minnesota
Motives and Quantum Cohomology
February 2 Donald Kahn
University of Minnesota
Some forgotten topology: Ehresmann's fibre bundles
February 9 Tyler Lawson
University of Minnesota
Spaces parametrizing group representations
February 16 William Messing
University of Minnesota
Les ombres de Grothendieck and the commuative cochain problem.
February 23 David Treumann
University of Minnesota
Basics of intersection homology
March 2 No seminar this week  
March 9 No seminar this week  
March 16 Spring Break  
March 23 Michael Hopkins
Harvard University
Duality in higher category theory
March 25
2:30pm in VinH 207
Michael Hopkins
Harvard University
Duality in higher category theory II
March 26 Michael Hopkins
Harvard University
Colloquium: Classification of Topological Field Theories
March 30 Tyler Lawson
University of Minnesota
Localization and completion in algebra and homotopy theory
April 6 David Treumann
University of Minnesota
Localization and Induction for Springer's representations
April 13 Scott Wilson
CUNY
Hochschild-like complexes and applications
April 20 Donald Kahn
University of Minnesota
Simplicial objects in the category of manifolds
April 27 Dan Ramras
Vanderbilt University
Gauge theory and homotopical representation theory
May 2-3 (Weekend) Clark Barwick
William Dwyer
Teena Gerhardt
John Klein
Charles Rezk
Victor Turchin
Midwest Topology Seminar

Schedule of talks in fall 2008:

September 1 No speaker (Labor Day)  
September 8 Donald Kahn
University of Minnesota
Acyclic spaces
September 15 Donald Kahn
University of Minnesota
Acyclic spaces II
September 22 Mark Behrens
Massachusetts Institute of Technology
Orientations and Eisenstein series
September 29 Tyler Lawson
University of Minnesota
Basics of stable homotopy theory
October 6 Alexander Voronov
University of Minnesota
Basics of cobordism with corners
Note new time and location!
October 13 Peter Webb
University of Minnesota
The Schur multiplier of a category
October 20 No seminar this week  
October 27 David Treumann
University of Minnesota
Sheaves and stratified homotopy type
November 3 Tyler Lawson
University of Minnesota
Morava K-theories
November 10 Undirected discussion (no official seminar)  
November 17 Donald Kahn
University of Minnesota
Fiberwise homotopy theory
November 24 Alexander Voronov
University of Minnesota
Basics of string topology
December 1 Tian-Jun Li
University of Minnesota
A bivariant functor and Pontrajagin-Thom construction
December 8 No speaker this week  
December 15 Michael Hill
University of Virginia
Geometric Approaches to Homotopy Fixed Point Spectral Sequences

Schedule of talks in spring 2008:

January 28 Donald Kahn
University of Minnesota
Homotopy theory as localization, after G. Maltsiniotis and D.-C. Cisinski, I
February 4 Donald Kahn
University of Minnesota
Homotopy theory as localization, after G. Maltsiniotis and D.-C. Cisinski, II
February 11 Paul Goerss
Northwestern University
The geometry of the moduli stack of formal groups and chromatic convergence
February 18 Tyler Lawson
University of Minnesota
Trace methods in algebraic K-theory, I
February 25 Tyler Lawson
University of Minnesota
Trace methods in algebraic K-theory, II
March 3 Peter Oman
University of Minnesota
Forcing methods in topos theory
March 10
No seminar this week
March 24 Scott Wilson
University of Minnesota
Multiplying distributions via methods in homotopical algebra
March 31 Donald Kahn
University of Minnesota
Work of Alex Heller on the homotopy category
April 7
No seminar this week
April 14 Tian-Jun Li
University of Minnesota
Framed bordism invariants in Non-linear Fredholm theories
April 21 Tyler Lawson
University of Minnesota
Homotopical obstruction theory for groups acting on spaces
April 28 Scott Wilson
University of Minnesota
Chain co-algebras as monoidal functors
May 5 Albert Marden
University of Minnesota
Limits of PSL(2,C) representations of a surface group: an exposition

Schedule of talks in fall 2007:

September 10 Donald Kahn
University of Minnesota
The Group of Homotopy Self-Equivalences I
September 17 Donald Kahn
University of Minnesota
The Group of Homotopy Self-Equivalences II
September 24 Peter Oman
University of Minnesota
Goodwillie calculus and a geometric interpretation of homotopical categories
September 25
570 Vincent Hall, 11:15 am
De Witt Sumners
Florida State University
Applied Mathematics Seminar
Random Knotting and Viral DNA Packing: Theory and Experiments
October 1 Kaoru Ono
Hokkaido University
Joint Topology/Geometry Seminar
The flux conjecture and its analog for Lagrangian submanifolds
October 8 Peter Oman
University of Minnesota
Models for the Maclaurin tower of a functor
October 15 Scott Wilson
University of Minnesota
The algebraic topology of manifolds
October 22 Ralph Kaufmann
Purdue University
Chain operads and actions
October 29 Michael Penkava
University of Wisconsin, Eau Claire
Moduli spaces of algebras are stratified by orbifolds
November 5 Tyler Lawson
University of Minnesota
Complex cobordism and elliptic curves
November 12 Tyler Lawson
University of Minnesota
Complex cobordism and elliptic curves, II
November 19 Alexander Voronov
University of Minnesota
The n-category of cobordisms and TQFTs
November 26 Alexander Voronov
University of Minnesota
The n-category of cobordisms and TQFTs, II
December 3 Alexey Zhubr
University of Minnesota
On "exotic" invariant for 6-manifolds
December 10 Mark Feshbach
University of Minnesota
Recollections on the Segal conjecture



Donald Kahn
Tyler Lawson
Alexander A. Voronov