A spatial Fourier mode has the form eikx and is an eigenfunction of every constant-coefficient spatial differential operator; in particular, ∂x2eikx=−k2eikx.
Ancestors (5)
Incoming links (202)
- Anisotropic alpha-squared dynamo
- Backward heat equation
- Buoyancy-modified Darcy fingering dispersion relation
- Eddy diffusion
- Ekman spin-down in a shallow-water layer
- Fastest-growing Keller--Segel mode
- Fixed-area capillary spectrum of a circular boundary
- Fourier–Galerkin method
- Fourier representation of a Kronecker delta
- Fourier spectral method
- Fourier symbol of a difference operator
- Gaussian Model A impulse response
- Gaussian momentum-shell scaling
- Ill-posed problem
- Keller--Segel aggregation threshold
- Linear fluctuating interface
- Negative-diffusion criterion for viscous disk instability
- Nonnormal Fourier amplification matrix
- One-loop shell mass renormalization in scalar quartic theory
- One-loop shell quartic renormalization
- Oscillatory magnetic response in first-order smoothing
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- Phase speed
- Second-harmonic feedback in a long-wave convection amplitude equation
- Space-time average of periodic modes
- Spatially forced convection amplitude equation
- Squeezed bispectrum configuration
- Stationary spectrum of a linear fluctuating interface
- Stokes temperature-slaving operator
- Thermal diffusion rate of a Fourier mode
- Three-to-one spatially forced amplitude equation
- Transverse-traceless tensor
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