manifolds and cobordisms
cobordism theory, Introduction
Definitions
Genera and invariants
Classification
Theorems
A manifold is called open if
it has no boundary,
all its connected components are non-compact.
In contrast, a manifold without boundary which is compact is called a closed manifold.
See also
Created on November 6, 2021 at 06:13:17. See the history of this page for a list of all contributions to it.