The Weyl groupoid in Type A, Young diagrams and Borel subalgebras

Ian M. Musson

Let $\mathtt{k}$ be an algebraically closed field of characteristic zero. Let $\stackrel{\mathrm{o}}{\mathfrak{g}}$ be the Lie superalgebra $\mathfrak{sl}(n|m)$ and let $\mathfrak{W…