Diagonal Specht ideals and their varieties

Anna Escofet, Cordian Riener, Hugues Verdure

We study the diagonal Specht ideals $I_{\lambda }\subseteq {\mathcal{R}}_{m,n}:=\mathbb{C}[{\mathbf{x}}_1,\dots ,{\mathbf{x}}_m]$, ${\mathbf{x}}_r=(x_{r,1},\dots ,x_{r,n})$, generated by the $\lambda$-isoty…