Abstract
We discuss the projectivity of the moduli space of semistable vector bundles on a curve of genus g ≥ 2. This is a classical result from the 1960s, obtained using geometric invariant theory. We outline a modern approach that combines the recent machinery of good moduli spaces with determinantal line bundle techniques. The crucial step producing an ample line bundle follows an argument by Faltings with improvements by Esteves–Popa. We hope to promote this approach as a blueprint for other projectivity arguments.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have