Tag Archives: cobordism

The Poincare conjecture

The next few sections of Chapter 1 are intended to introduce some key examples of constructions with manifolds: The high-dimensional Poincar√© conjecture and the h-cobordism theorem Milnor’s exotic spheres Variation of Pontrjagin classes within a homotopy type In the version … Continue reading

Posted in Discussion, math | Tagged , , , | Leave a comment

Manifolds = Bundles + Handles

The slogan in the title is one that I came up with for the book (or at least I think I did, though of course I may have stolen it from somewhere that I have now forgotten).¬† In my opinion … Continue reading

Posted in Book, math | Tagged , , , , | Leave a comment