“Combinatorial study of coefficients of the decomposition theorem for universal linear degenerations”
Venerdì 26 Luglio 2024, ore 14:30 - Aula 2BC30 - Marianne Deglise (ENS-Paris-Saclay)
Abstract
We study a geometric/combinatorial characterisation of supports for linear degenerations of flag varieties in an attempt to determine the coefficients of the decomposition theorem. We show that it behaves correctly when applying the operation suspension, and obtain positive results in the PBW-locus.