The wobbly divisors of the moduli space of rank-$2$ vector bundles

Sarbeswar Pal, Christian Pauly

Let $X$ be a smooth projective complex curve of genus $g\ge 2$ and let $\M_X(2,Λ)$ be the moduli space of semi-stable rank-$2$ vector bundles over $X$ with fixed determinant $\Lambda$.…