# Category:Definitions/Diffeomorphisms

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This category contains definitions related to Diffeomorphisms.

Related results can be found in Category:Diffeomorphisms.

Let $n$ and $k$ be natural numbers.

Let $U,V\subset \R^n$ be open sets.

Let $f : U \to V$ be a mapping.

Then $f$ is a **$C^k$-diffeomorphism** if and only if $f$ is a bijection of class $C^k$ with an inverse of class $C^k$.

## Pages in category "Definitions/Diffeomorphisms"

The following 2 pages are in this category, out of 2 total.