This talk is about a theory of "perfectoid spaces", which "compares objects in characteristic p with objects in characteristic 0". What are those spaces, where can one read about them?
Edit: A bit more infosinfo can be found in Peter Scholze's seminar description and in Bhargav Bhatt's.
Edit: Peter Scholze posted yesterday this beautiful overview on the arxiv.
Edit: Peter Scholze posted today this new survey on the arxiv.