Top network posts

• 25 How should I think about very ample sheaves?
• 25 Research done by high-school students
• 19 Does there exist a category in which there are no products or coproducts for reasons other than the category is too small?
• 13 Show $\mathbb{Q}[x,y]/\langle x,y \rangle$ is Not Projective as a $\mathbb{Q}[x,y]$-Module.
• 12 Holomorphic function on the unit disk $f$, show the set $z,w\in \mathbb{C}$ such that $f(z)=f(w)$ is not countable
• 12 How expensive is Belgium?
• 11 Is the product of non-separated schemes non-separated?
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