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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

Any irreducible projective curve in $\mathbb P^3$ can be defined by three functions

EDIT: this answer has some issues. See the comments. I think a similar line of reasoning shows you can do it with four equations, though. For reasons of dimension your curve is contained in a hypersur …
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