All Questions

Motivation: For a given rank 2 vector bundle we want to know how many theta-characteristic valued twisted endomorphisms it has. Setting: Let $C$ be a smooth algebraic curve over a field of ...

Let $K$ be the canonical line bundle of a compact Riemann surface $M$ of genus $g$. Consider the pull back of $K$ on $M \times M$ via projection on the first factor. What is the dimension of the space ...