Laplace operator

E139493

The Laplace operator is a second-order differential operator widely used in mathematics and physics to describe phenomena such as diffusion, heat flow, and wave propagation.

All labels observed (5)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf differential operator ⓘ
elliptic differential operator ⓘ
second-order differential operator ⓘ
actsOn scalar fields ⓘ
vector fields ⓘ
alsoKnownAs Laplacian ⓘ
linked to: Laplace operator
appearsIn Schrödinger equation ⓘ
heat equation ∂u/∂t = κΔu ⓘ
wave equation ⓘ
definitionInCartesianCoordinates sum of second partial derivatives with respect to spatial coordinates ⓘ
definitionInRn Δf = ∑_{i=1}^n ∂²f/∂x_i² ⓘ
discreteAnalogue discrete Laplacian ⓘ
domain functions on Euclidean space ⓘ
functions on Riemannian manifolds ⓘ
equation Laplace equation Δu = 0 ⓘ
Poisson equation Δu = f ⓘ
field mathematics ⓘ
physics ⓘ
generalization Hodge Laplacian ⓘ
Laplace–Beltrami operator ⓘ
linked to: Laplace operator
graphAnalogue graph Laplacian ⓘ
historicalPeriod 18th century ⓘ
invariance invariant under Euclidean isometries ⓘ
rotation invariant in Euclidean space ⓘ
linearity linear ⓘ
namedAfter Pierre-Simon Laplace ⓘ
order 2 ⓘ
property negative semi-definite on appropriate function spaces ⓘ
self-adjoint under suitable boundary conditions ⓘ
relatedConcept Dirichlet boundary condition ⓘ
Green's function ⓘ
Neumann boundary condition ⓘ
harmonic function ⓘ
relatedProcess Brownian motion ⓘ
spectralTheory eigenvalues form the Laplacian spectrum ⓘ
symbol Δ ⓘ
∇² ⓘ
type local operator ⓘ
usedFor electrostatics ⓘ
fluid dynamics ⓘ
gravitation ⓘ
modeling diffusion ⓘ
modeling heat flow ⓘ
modeling wave propagation ⓘ
potential theory ⓘ
quantum mechanics ⓘ
usedIn Fourier analysis ⓘ
partial differential equations ⓘ
stochastic processes ⓘ

How these facts were elicited

Referenced by (15)

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

Pierre-Simon Laplace → developedConcept → Laplace operator ⓘ
Jean d’Alembert → knownFor → d’Alembert operator ⓘ
linked to: Laplace operator
Laplace equation → involvesOperator → Laplacian ⓘ
linked to: Laplace operator
Laplace operator → alsoKnownAs → Laplacian ⓘ
linked to: Laplace operator
Laplace operator → generalization → Laplace–Beltrami operator ⓘ
linked to: Laplace operator
Selberg trace formula → coreConcept → Laplace–Beltrami operator ⓘ
linked to: Laplace operator
Laplacian spectrum → hasOperator → Laplacian ⓘ
linked to: Laplace operator
dAlembert operator → relatedTo → Laplace operator ⓘ
Helmholtz equation → hasOperator → Laplacian ⓘ
linked to: Laplace operator
Poisson equation → involvesOperator → Laplacian ⓘ
linked to: Laplace operator
Hodge Laplacian → reducesTo → Laplace–Beltrami operator on functions ⓘ
linked to: Laplace operator
Hodge Laplacian → generalizes → Laplace–Beltrami operator ⓘ
linked to: Laplace operator
Riesz transforms → relatedTo → Laplace operator ⓘ
Clifford analysis → usesOperator → Laplacian ⓘ
linked to: Laplace operator
Selberg zeta function → associatedWith → Laplace–Beltrami operator ⓘ
linked to: Laplace operator