vector bundles - What are some open problems in algebraic geometry?

There's also Fujita's conjecture.

Conjecture: Suppose $X$ is a smooth projective dimensional complex algebraic variety with ample divisor $A$. Then

1. $H^0(X, mathcal{O}_X(K_X + mA))$ is generated by global section when $m > dim X$.


2. $K_X + mA$ is very ample for $m > dim X + 1$

It's also often stated in the complex analytic world.

Also there are many refinements (and generalizations) of this conjecture. For example, the assumption that $X$ is smooth is probably more than you need (something close to rational singularities should be ok). It also might even be true in characteristic $p > 0$.

It's known in relatively low dimensions (up to 5 in case 1. I think?)

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