The Hodge conjecture is hard for the reason that elaborate submanifolds are quite rigid objects (considering the fact that They are really outlined by polynomials). The truth is, it is very hard to construct complex submanifolds, and there are hardly any of these. Proving that submanifolds exist without having constructing https://guidemysocial.com/story4740385/the-single-best-strategy-to-use-for-bos138