2 problems

Let $\mathfrak{g}=\mathfrak{osp}_{m|2n}$, let $\widehat{\mathfrak{g}}$ be its affine Kac–Moody superalgebra, and let $\mathfrak{z}(\widehat{\mathfrak{g}})$ be the centre of the ass…

Let $\mathfrak{g}=\mathfrak{osp}_{M|2n}$, let $\widehat{\mathfrak{g}}$ be its affine Kac–Moody superalgebra, and let $\mathfrak{z}(\widehat{\mathfrak{g}})$ be the centre of the aff…