Topology Seminar

The University of Minnesota Topology Seminar

Schedule of talks in Fall 2012:

Monday, September 10, 2012	Tyler Lawson University of Minnesota	Introduction to stable homotopy theory I
Monday, September 17, 2012	Professor Tyler Lawson University of MInnesota	Introduction to stable homotopy theory, II
Monday, September 24, 2012	Tyler Lawson University of MInnesota	Introduction to stable homotopy III
Monday, October 08, 2012	Tyler Lawson University of MInnesota	Generalized homology and cohomology
Monday, October 15, 2012	Professor Donald Kahn University of Minnesota	The delooping of Quillen's BGL+
Monday, December 03, 2012	Alexander Voronov University of Minnesota	The cobordism hypothesis, I
Monday, December 10, 2012	Alexander Voronov University of Minnesota	The cobordism hypothesis, II
Tuesday, December 18, 2012 Special room: Vincent Hall 570	Craig Westerland University of Melbourne	An analogue of K-theory for higher chromatic homotopy theory

Schedule of talks in Spring 2012:

Monday, January 30, 2012		Second Abel conference
Monday, February 06, 2012	Tyler Lawson University of Minnesota	Equivariant homotopy theory
Monday, March 05, 2012	Tyler Lawson University of Minnesota	Basic computations in stable homotopy groups of spheres
Monday, March 26, 2012	Kyle Ormsby MIT	Tate normal form in level resolutions of the K(2)-local sphere
Monday, April 02, 2012	Donald Kahn University of Minnesota	The work of Assaf Libman on orbits and extension of the work of Peter Webb and others to Lie groups
Monday, April 16, 2012	Donald Kahn University of Minnesota	A sketch of algebraic K-theory
Monday, April 23, 2012	Donald Kahn University of Minnesota	Work of Libman generalizing Webb, Quillen, etc.
Monday, April 30, 2012	Alexander Voronov University of Minnesota	Cohomology with coefficients in Picard groupoids

Schedule of talks in Fall 2011:

Monday, September 19, 2011	Alexander Voronov University of Minnesota	Quantum Master Equation and the Topology of Moduli Spaces
Monday, September 26, 2011	Alexander Voronov University of Minnesota	QME and the Topology of Moduli Spaces, II: Different Approaches to Costello's Theorem
Monday, October 03, 2011	Tyler Lawson University of Minnesota	Pro-objects and ring structures
Monday, October 10, 2011	Tyler Lawson University of Minnesota	Stable homotopy and the Adams spectral sequence
Monday, October 24, 2011	Ben Ward Purdue University	Cyclic A_∞ algebras and Deligne's conjecture
Monday, November 07, 2011	Clark Barwick Massachusetts Institute of Technology	Algebraic K-theory as a Goodwillie derivative
Thursday, November 10, 2011	Clark Barwick Massachusetts Institute of Technology	Colloquium The Tower of Babel Problem in higher category theory
Monday, November 21, 2011	Craig Westerland University of Melbourne	Cohen-Lenstra heuristics for function fields and Hurwitz spaces
Friday, December 02, 2011	Anna Marie Bohmann Northwestern University	Global equivariant homotopy theory Note! Talk occurs in Vincent Hall 207 at 2:30pm.
Monday, December 05, 2011	Angelica Osorno University of Chicago	Stable homotopy 1-types and symmetric Picard groups
Thursday, December 08, 2011	John Francis Northwestern University	Colloquium Factorization homology of topological manifolds

Schedule of talks in Spring 2011:

January 24	Andrey Lazarev University of Leicester, UK	Models for function spaces
January 31	Erik Carlsson Northwestern University	Vertex operators on the K-theory of the Hilbert scheme
Tuesday, March 15 3:30 p.m. in Physics 131	Jacob Lurie Harvard University	The Siegel Mass Formula and Weil's Conjecture Special Colloquium, Ordway Lecture I
Wednesday, March 16 2:30 p.m. in Physics 131	Jacob Lurie Harvard University	Nonabelian Poincare Duality Ordway Lecture II
Thursday, March 17 2:30 p.m. in Physics 131	Jacob Lurie Harvard University	Tamagawa Numbers via Nonabelian Poincare Duality Ordway Lecture III
Tuesday, March 29 2:30-4:00 p.m. in Vincent Hall 16	André Joyal Université du Québec à Montréal	Quasi-Categories: an Introduction Ordway Lecture I
Thursday, March 31 2:00-3:30 p.m. in Vincent Hall 16	André Joyal Université du Québec à Montréal	Quasi-Categories, II Ordway Lecture II
Tuesday, April 5 3:30-4:30 p.m. in Vincent Hall 16	André Joyal Université du Québec à Montréal	What is the Univalent Foundation of Mathematics by Voevodsky? Special Colloquium
Thursday, April 7 2:00-3:30 p.m. in Vincent Hall 16	André Joyal Université du Québec à Montréal	Quasi-Categories, III Ordway Lecture III
April 11	Justin Thomas University of Notre Dame	Kontsevich's Swiss Cheese Conjecture
May 2	Donald Kahn University of Minnesota	Recent Ideas About the Group of Homotopy Self-Equivalences

Schedule of talks in Fall 2010:

October 25	Alexander A. Voronov University of Minnesota	Quantum deformations: smoothness theorem
November 1	Tyler Lawson University of Minnesota	Realization problems for chain complexes and algebras
November 8	John E. Harper University of Western Ontario	On a homotopy completion tower for algebras over operads in symmetric spectra
November 15	Donald Kahn University of Minnesota	Bott periodicity after J. Barge and J. Lannes
Wednesday December 8 3:30 p.m. in VinH 301	Andrew Blumberg University of Texas	THH of Waldhausen categories and the localization sequence for THH(ku)
Thursday December 9 3:30 p.m. in VinH 16	Michael Mandell Indiana University	Colloquium Algebraic Models in Homotopy Theory

Schedule of talks in spring 2010:

January 25	Tyler Lawson University of Minnesota	Coherent multiplications: E_∞ ring spaces and E_∞ ring spectra
February 1	Donald Kahn University of Minnesota	The 'field' with one element: spaces, groups, varieties
February 8	Kuerak Chung Korea Institute for Advanced Study	Based cacti
February 15	No speaker
February 22	Tyler Lawson University of Minnesota	Orientations and twistings of cohomology theories
March 1	Vic Reiner University of Minnesota	On general linear groups over F_q when q goes to 1
March 8	Alexander Voronov University of Minnesota	Introduction to Quantum Deformation Theory
March 22	Alexander Voronov University of Minnesota	Introduction to Quantum Deformation Theory: Geometric Intuition
March 29	Alexander Voronov University of Minnesota	Introduction to Quantum Deformation Theory: Quantum Master Equation
April 5	Ionut Ciocan-Fontanine University of Minnesota	The derived moduli stack of stable sheaves
April 12	David Gepner University of Illinois at Chicago	Delooping the space of units of a commutative ring spectrum
POSTPONED	Andrew Blumberg University of Texas at Austin	TBA

Schedule of talks in fall 2009:

September 28	Donald Kahn University of Minnesota	Introduction and organization (postponed from last week)
October 5	Donald Kahn University of Minnesota	More generalities on Lurie's book
October 12	Tyler Lawson University of Minnesota	"Coherent" category theory and quasicategories
October 19	Tyler Lawson University of Minnesota	Quasicategories and topological categories
October 26	Mark Feshbach University of Minnesota	Higher categories with corners
November 2	William Messing University of Minnesota	Topoi (d'apres Grothendieck)
November 9	William Messing University of Minnesota	Topoi (d'apres Grothendieck) II
November 16	Michael Hill University of Virginia	The Kervaire invariant
November 23	No speaker this week
November 30	William Messing University of Minnesota	Topoi (d'apres Grothendieck) III

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

Alexander A. Voronov