3 papers
math.AG2022
Nilpotent cone and bivariant theory
Vincenzo Di Gennaro, Davide Franco, Carmine Sessa
We exhibit a new proof, relying on bivariant theory, that the nilpotent cone is rationally smooth. Our approach enables us to prove a slightly more general statement.
math.AG2022
An effective decomposition theorem for Schubert varieties
Francesca Cioffi, Davide Franco, Carmine Sessa
Given a Schubert variety contained in a Grassmannian , we show how to obtain further information on the direct summands of the derived…
math.AG2020
Polynomial identities related to Special Schubert varieties
Francesca Cioffi, Davide Franco, Carmine Sessa
Let be a single condition Schubert variety with an arbitrary number of strata. Recently, an explicit description of the summands involved in the decomposition theorem…