Changes

Differential topology is a branch of [[topology]] focusing on smooth (differentiable) manifolds.  In differential topology, mathematicians study nonmetrical aspects of manifolds.   

'''Differential topology''' is a branch of [[topology]] focusing on smooth (differentiable) manifolds.  In differential topology, mathematicians study nonmetrical aspects of manifolds.   

In contrast, [[differential geometry]] focuses on metrical aspects of manifolds.

In contrast, [[differential geometry]] focuses on metrical aspects of manifolds.

[[category:mathematics]]

[[category:mathematics]]

[[category:topology]]

[[category:topology]]