Last Updated:2022/12/24
Let X be an acyclic 2-complex and M an abstract regular neighborhood of X; ∂M_0=S², so cap off to get a homology 3-sphere M³.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories(0)
Let X be an acyclic 2-complex and M an abstract regular neighborhood of X; ∂M_0=S², so cap off to get a homology 3-sphere M³.