Smooth homotopy 4-sphere
arXiv:1911.11904
Abstract
Every smooth homotopy 4-sphere is diffeomorphic to the 4-sphere.
arXiv commentA version that corrects an error lemma (Lemma 3.1) caused by a calculation error
arXiv:1911.11904
Every smooth homotopy 4-sphere is diffeomorphic to the 4-sphere.
arXiv commentA version that corrects an error lemma (Lemma 3.1) caused by a calculation error