Total positivity in reductive groups II

Colloquia & Seminars

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”. Add to calendar: