Calderón problem in inverse conductivity

E817947

The Calderón problem in inverse conductivity is a fundamental question in mathematical inverse problems that asks whether one can determine the electrical conductivity inside a medium uniquely from voltage and current measurements made at its boundary.

All labels observed (4)

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Statements (49)

Predicate Object
instanceOf PDE inverse problem ⓘ
inverse problem ⓘ
mathematical problem ⓘ
asks whether one can determine the electrical conductivity inside a medium from boundary measurements ⓘ
centralObject Dirichlet-to-Neumann map Λ_γ ⓘ
concerns uniqueness of determining conductivity from Dirichlet-to-Neumann map ⓘ
data Dirichlet-to-Neumann map on the boundary ⓘ
difficulty ill-posedness ⓘ
instability with respect to noise ⓘ
domain bounded domain in Euclidean space ⓘ
equation div(γ(x)∇u(x)) = 0 ⓘ
field applied analysis ⓘ
electrical impedance tomography ⓘ
inverse problems ⓘ
mathematical physics ⓘ
partial differential equations ⓘ
goal recover the conductivity coefficient inside a domain ⓘ
hasApplication geophysical prospecting ⓘ
medical imaging ⓘ
non-destructive testing ⓘ
hasVariant Calderón problem on Riemannian manifolds ⓘ
anisotropic conductivity Calderón problem ⓘ
partial data Calderón problem ⓘ
historicalOrigin work of Alberto P. Calderón in the 1980s ⓘ
involves Dirichlet boundary data ⓘ
Dirichlet-to-Neumann operator ⓘ
linked to: Steklov operator

Neumann boundary data ⓘ
boundary measurements of voltage and current ⓘ
conductivity equation ⓘ
elliptic partial differential equations ⓘ
mainQuestion does Λ_γ determine γ uniquely? ⓘ
namedAfter Alberto P. Calderón ⓘ
linked to: Alberto Calderón
questionType reconstruction ⓘ
stability ⓘ
uniqueness ⓘ
relatedTo Carleman estimates ⓘ
Schrödinger equation inverse problem ⓘ
boundary control method ⓘ
complex geometrical optics solutions ⓘ
electrical impedance tomography ⓘ
unique continuation principle ⓘ
typicalAssumption conductivity has some regularity (e.g. Lipschitz or smoother) ⓘ
conductivity is bounded and strictly positive ⓘ
typicalBoundaryCondition measured current flux on boundary ⓘ
prescribed voltage on boundary ⓘ
unknown conductivity γ(x) ⓘ
uses boundary value problems for elliptic operators ⓘ
functional analysis ⓘ
harmonic analysis ⓘ

How these facts were elicited

Referenced by (5)

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

Alberto Calderón → notableFor → Calderón problem in inverse conductivity ⓘ
Calderón problem in inverse conductivity → hasVariant → anisotropic conductivity Calderón problem ⓘ
linked to: Calderón problem in inverse conductivity
Calderón problem in inverse conductivity → hasVariant → Calderón problem on Riemannian manifolds ⓘ
linked to: Calderón problem in inverse conductivity
Alberto Pedro Calderón → notableFor → Calderón problem in inverse conductivity ⓘ
Steklov operator → appearsIn → Calderón inverse conductivity problem ⓘ
linked to: Calderón problem in inverse conductivity