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for questions on one dimensional algebraic varieties over any field, including questions of moduli, and questions about specific curves.
1
vote
Tame ramification of (mild) curve singularities.
Here is a reference that may be relevant (you may know it already): Auslander-Rim has a paper called "Ramification index and multiplicity" . Even though they mostly discussed normal rings, their defin …
13
votes
Vector bundles on $\mathbb{P}^1\times\mathbb{P}^1$
It may be a bit unfair to compare $X=\mathbb P^1 \times \mathbb P^1$ to $\mathbb P^1$. EDIT: I removed a too optimistic statement about restricting vector bundles on $\mathbb P^3$ to a smooth hypersur …