University of Birmingham > Talks@bham > Algebra Seminar > Broué's perfect isometry conjecture holds for the double covers of the symmetric and alternating groups

## Broué's perfect isometry conjecture holds for the double covers of the symmetric and alternating groupsAdd to your list(s) Download to your calendar using vCal - Michael Livesey, University of Manchester
- Thursday 10 December 2015, 16:00-17:00
- Watson Building, Lecture Room B.
If you have a question about this talk, please contact David Craven. O. Brunat and J. Gramain recently proved that any two blocks of double covers of symmetric or alternating groups are Broué perfectly isometric provided they have the same weight and sign. They also proved ‘crossover’ isometries when they have opposite signs. Using both the results and methods of Brunat
and Gramain we prove that when the weight of a block of a double cover of a symmetric or alternating group is less than This talk is part of the Algebra Seminar series. ## This talk is included in these lists:Note that ex-directory lists are not shown. |
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