Carathéodory metric

E122257

The Carathéodory metric is an intrinsic distance function in complex analysis that measures how far apart points are in a domain based on holomorphic mappings into the unit disk.

All labels observed (3)

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf complex-analytic invariant metric
intrinsic metric
pseudometric
agreesWith Euclidean metric on small scales up to first order on smooth strongly convex domains
canDegenerateOn non-hyperbolic domains
characterizes holomorphic contractibility of maps
coincidesWith Poincaré metric on the unit disk
coincidesWithOn unit disk
definedOn Riemann surfaces
surface form: Riemann surface

complex domain
complex manifold
dependsOn holomorphic maps into the unit disk
field complex analysis
introducedIn early 20th century
isCompleteOn bounded convex domain in C^n
isConformalInvariant true
isDefinedVia supremum over holomorphic maps to the unit disk
isDistanceFunction true
isFinslerMetric true
isHolomorphicallyContractible true
isIntrinsic true
isInvariantUnder biholomorphic maps
holomorphic automorphisms of the domain
isLocalizable false
isMonotoneWithRespectTo domain inclusion
isNondegenerateOn Carathéodory metric self-linksurface differs
surface form: Carathéodory hyperbolic domains
isSymmetric true
isToolIn invariant distance theory in complex analysis
isUpperBoundFor Lempert function on convex domains
lessThanOrEqualTo Kobayashi metric
majorizedBy Kobayashi metric
namedAfter Constantin Carathéodory
nonnegativity true
relatedTo Bergman metric
Kobayashi metric
Teichmüller theory
surface form: Teichmüller metric
satisfies triangle inequality
separatesPointsOn Carathéodory metric self-linksurface differs
surface form: Carathéodory hyperbolic manifolds
usedIn complex dynamical systems
geometric function theory
several complex variables
usedToStudy biholomorphic equivalence of domains
complex geodesics
hyperbolicity of complex manifolds
uses Poincaré metric on the unit disk

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Constantin Carathéodory notableWork Carathéodory metric
Carathéodory metric isNondegenerateOn Carathéodory metric self-linksurface differs
this entity surface form: Carathéodory hyperbolic domains
Carathéodory metric separatesPointsOn Carathéodory metric self-linksurface differs
this entity surface form: Carathéodory hyperbolic manifolds