There are quite a few constructions that we can use to build new Noetherian spaces from old ones: spaces of finite words, of finite trees (as in Section 9.7 of the book), and a few others. Instead of writing a new proof each time, is there some form of master theorem that would have all those results as corollaries? This is exactly what Aliaume Lopez found this year. Read the full post.
Oh, and Season’s greetings, too!