inverse function theorem
E22819
The inverse function theorem is a fundamental result in calculus and differential geometry that gives conditions under which a differentiable function has a locally defined differentiable inverse near a point where its derivative is invertible.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Jacobi determinant | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mathematical theorem
ⓘ
theorem in calculus ⓘ theorem in differential geometry ⓘ |
| appliesTo |
functions between open subsets of R^n
ⓘ
smooth maps between smooth manifolds ⓘ |
| assumes |
differentiability of the function
ⓘ
invertibility of the derivative at a point ⓘ nonzero derivative in the one-dimensional case ⓘ |
| concerns |
differentiable maps between Euclidean spaces
ⓘ
differentiable maps between manifolds ⓘ local invertibility of functions ⓘ |
| concludes |
continuity of the local inverse
ⓘ
existence of a differentiable local inverse ⓘ existence of a neighborhood where the function is a diffeomorphism onto its image ⓘ uniqueness of the local inverse near the point ⓘ |
| field |
calculus
ⓘ
differential geometry ⓘ mathematical analysis ⓘ |
| formalizes | idea that nonvanishing derivative implies local invertibility ⓘ |
| generalizationOf | one-dimensional inverse function result from elementary calculus ⓘ |
| givesConditionFor |
differentiability of a local inverse
ⓘ
existence of a local inverse ⓘ |
| hasConsequence |
existence of local coordinates on manifolds
ⓘ
local linearization of smooth maps ⓘ |
| hasVariant |
C^k inverse function theorem
ⓘ
inverse function theorem for Banach spaces ⓘ smooth (C^∞) inverse function theorem ⓘ |
| historicallyAssociatedWith |
Augustin-Louis Cauchy
ⓘ
Bernhard Riemann ⓘ Karl Weierstrass ⓘ |
| implies |
continuity of the inverse map
ⓘ
differentiability of the inverse map ⓘ inverse map has derivative equal to the matrix inverse of the original derivative ⓘ local bijectivity near the point ⓘ openness of the map near the point ⓘ |
| isRelatedTo |
Banach inverse mapping theorem
ⓘ
implicit function theorem ⓘ rank theorem ⓘ |
| requires |
Jacobian determinant to be nonzero at the point
ⓘ
Jacobian matrix to be invertible at the point ⓘ |
| typicalAssumption |
domain is an open subset of R^n
ⓘ
function is continuously differentiable (C^1) ⓘ |
| usedIn |
change of variables in multivariable calculus
ⓘ
coordinate chart constructions ⓘ differential topology ⓘ manifold theory ⓘ nonlinear analysis ⓘ theory of differential equations ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Jacobi determinant