The Hodge conjecture is difficult for the reason that elaborate submanifolds are very rigid objects (given that They can be outlined by polynomials). The truth is, it is very hard to build complex submanifolds, and there are actually only a few of these. Proving that submanifolds exist without setting up https://bookmarksusa.com/story19367128/helping-the-others-realize-the-advantages-of-slot88