I would like to know what Drinfeld's scanned manuscript "Best Dream" is about: the title makes me curious.
It's in Russian.
From the first line it appears to about D-modules on stacks.
The next topic is an attempt to construct a "duality" (called F) for derived category of (quasicoherent) D-modules on
In the middle a single question appears, "What is the Eisenstein fuctor?" (indeed, what is it?) Next, there's a question about Hecke functors.
Part two starts with the self-explanatory
The Eisenstein functor for
Page 76 contains some specific questions ("I don't understand!") again along the topics above which continue until the end of paper.