nLab open manifold

Contents

Contents

Idea

A manifold is called open if

  1. it has no boundary,

  2. all its connected components are non-compact.

In contrast, a manifold without boundary which is compact is called a closed manifold.

Literature

See also

Created on November 6, 2021 at 02:13:17. See the history of this page for a list of all contributions to it.