All Questions

The following matter should be widely known (if true). I am sorry for my ignorance! For the natural $n$, let $E(n)$ be the corresponding elliptic surface. In the analytic world, there exists a well-...

I have a number of vague questions that I wasn't sure whether they are suitable to ask or not, but I decided to ask! According to this result, any two birational varieties can be constructed by a ...