Lucas Fresse

On the singularity of the irreducible components of a Springer fiber in \({\mathfrak{s}\mathfrak{l}_n}\)

Let

Betti numbers of Springer fibers in type A

{\mathcal{B}_u}

SINGULAR COMPONENTS OF SPRINGER FIBERS IN THE TWO-COLUMN CASE

be the Springer fiber over a nilpotent endomorphism

Singular components of the Springer fiber in the two-columns case

{u\in {\rm End}(\mathbb{C}^n)}

Composantes singulières des fibres de Springer dans le cas deux-colonnes

. Let J (u) be the Jordan form of u regarded as a partition of n. The irreducible components of