All Questions

What are nice applications of Tate-Poitou duality?

May I ask what is the basic motivation behind studying bounded cohomology? Is there a simple reason why bounded cohomology is more interesting / useful than usual cohomology? Also, is bounded ...

There is a notion of relative cohomology in both algebraic topology and algebraic geometry and the flexibility granted by this relative viewpoint is quite powerful in both cases. However, the two ...