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Slopes in homological stability, the classical way

Presented by: 
Nathalie Wahl University of Copenhagen
Date: 
Tuesday 18th September 2018 - 15:30 to 16:30
Venue: 
INI Seminar Room 2
Abstract: 
In joint work with David Sprehn, we prove homological stability with "slope 1" for symplectic, orthogonal and unitary groups over fields other than F_2, following an argument of Quillen for general linear groups. Stability with slope 2 has long been known for all four types of groups over very general rings by a similar, though not equal, argument. I'll present these results and give an overview of the players in such homological stability arguments
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University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons