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Homological Methods in Representation Theory
Mar 31, 2008 to Apr 4, 2008

Organizer(s)

David Benson, Daniel Nakano(chair), Raphael Rouquier
To apply for funding, you must register by Fri, Feb 15 2008.
Over the last century, algebraic invariants like cohomology have been a fundamental tool in studying properties of topological spaces. In the last 40 years, this trend has been reversed, cohomology and other homological methods have been used to study algebraic objects by introducing geometry (i.e., algebraic varieties, derived categories) that captures information about the algebras and their representations. The theme of this workshop will involve exploring the deep connections between representations and their underlying geometry. The main topics include:

1) Cohomology Theory: Varieties for Modules (for finite group schemes, quantum groups and other types of algebras), Endopermutation and Endotrivial Modules, p-local Finite Groups;

2) Derived Categories: Broue's Conjecture, Structure of Triangulated Categories, Representation Dimension;

3) Representations and Cohomology of Specific Groups and Algebras: Symmetric Groups, Finite Chevalley Groups, Reductive Algebraic Groups and associated Frobenius kernels.

The lectures at this meeting will be aimed at presenting new developments in the area in a manner accessible for young researchers in the field.

Accommodations:

A block of rooms has been reserved at the Rose Garden Inn. Reservations may be made by calling 1-800-992-9005 OR directly on their website. Click on Corporate at the bottom of the screen and when prompted enter code MATH (this code is not case sensitive). By using this code a new calendar will appear and will show MSRI rate on all room types available. The following Group Code should be entered in the "Comment" field when booking through our Website. Group Code = CGMS58 .
The cut-off date for reservations is March 16, 2008.


A block of rooms has been reserved at the Hotel Durant. Please mention the workshop name and reference the following code when making reservations via phone, fax or e-mail: ES0000. The cut-off date for reservations is February 29, 2008.

Funding

To apply for funding, you must register by Fri, Feb 15 2008. Click to Register
Students, recent Ph.D.'s, women, and members of underrepresented minorities are particularly encouraged to apply. Funding awards are made typically 6 weeks before the workshop begins. Requests received after the funding deadline are considered only if additional funds become available.
Schedule
Monday, March 31, 2008
9:30AM - 10:30AM Markus Linckelmann On graded centers of stable and derived module categories [Video available]
11:00AM - 12:00PM Cedric Bonnafe Deligne-Lusztig restriction of modular Gelfand-Graev representations [Video available]
2:00PM - 3:00PM Cornelius Pillen Cohomology of finite groups of Lie type [Video available]
4:10PM - 5:00PM Dave Benson Classifying spaces and cohomology of finite groups [Video available]
Tuesday, April 01, 2008
9:30AM - 10:30AM Paul Balmer The geometry of tensor triangulated categories of representations [Video available]
11:00AM - 12:00PM Srikanth Iyengar Localizing subcategories of the stable module category of a finite group [Video available]
2:00PM - 3:00PM David Hemmer An application of topology to computing the cohomology of Young modules for the symmetric group [Video available]
3:30PM - 4:30PM Brian Parshall Reduced standard modules, filtrations, and cohomology [Video available]
Wednesday, April 02, 2008
9:30AM - 10:30AM Bernhard Keller Mutations of quivers with potentials and derived equivalences [Video available]
11:00AM - 12:00PM Jesper Grodal Local-to-global principles for groups and p-local finite groups [Video available]
Thursday, April 03, 2008
9:30AM - 10:30AM Henning Andersen Tensoring with the Steinberg module [Video available]
11:00AM - 12:00PM Jonathan Kujawa Cohomology and Varieties for Lie Superalgebras [Video available]
2:00PM - 3:00PM Eric Friedlander p-nilpotent operators and vector bundles [Video available]
3:30PM - 4:30PM Radha Kessar Controlling fusion in saturated fusion systems [Video available]
Friday, April 04, 2008
9:30AM - 10:30AM Jon Carlson Generic kernels and other constructions of modules over group (scheme) algebras [Video available]
11:00AM - 12:00PM Julia Pevtsova Spectra of tensor triangulated categories [Video available]
2:00PM - 3:00PM Alison Parker Homomorphisms and higher extensions for Schur algebras and symmetric groups [Video available]
3:30PM - 4:30PM Henning Krause The representation dimension of a finite dimensional algebra [Video available]
Parent Program(s):
Representation Theory of Finite Groups and Related Topics


Questions about this workshop should be sent either by email to
or by regular mail to:
Homological Methods in Representation Theory
Mathematical Sciences Research Institute
17 Gauss Way, Berkeley, CA
94720-5070.
USA

The Institute is committed to the principles of Equal Opportunity and Affirmative Action.



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