Structure and geometry of the tableaux algebra

Spencer Daugherty, Nicolle González, Bárbara Muniz +3

We study the monoid algebra ${}_n{\mathcal{T}}_m$ of semistandard Young tableaux, which coincides with the Gelfand--Tsetlin semigroup ring ${\mathcal{G}\mathcal{T}}_n$ when $m=n$. Among…