Total positivity in reductive groups II
Date/Time:18 Sep 2019 10:00
Venue: S16 #03-09
Speaker: Bao Huanchen, National University of Singapore
Total positivity in reductive groups II
I will explain the cellular decompositions of totally nonnegative flag variety and totally nonnegative springer fibres.
The references are the following:
K. Rietsch, “An algebraic cell decomposition of the nonnegative part of a flag variety”;
R. Marsh and K. Rietsch, “Parametrizations of flag varieties’’;
G. Lusztig, “Total positivity in Springer fibres”.
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