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Formula:614

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Digital Library of Mathematical Functions ID 1.16.E37

⟨ ℱ ⁡ ( P ⁢ u ) , ϕ ⟩ = ⟨ P ⁢ ( 𝐃 ) ⁢ ℱ ⁡ ( u ) , ϕ ⟩ , distribution distributional-Fourier-transform 𝑃 𝑢 italic-ϕ distribution 𝑃 𝐃 distributional-Fourier-transform 𝑢 italic-ϕ {\displaystyle{\displaystyle\left\langle\mathscr{F}\left(Pu\right),\phi\right% \rangle=\left\langle P(\mathbf{D})\mathscr{F}\left(u\right),\phi\right\rangle,}}


Constraint(s)

Symbols List

  • ⟨ Λ , ϕ ⟩ distribution Λ italic-ϕ {\displaystyle{\displaystyle\left\langle\NVar{\Lambda},\NVar{\phi}\right% \rangle}} :
  • ℱ ⁡ ( u ) distributional-Fourier-transform 𝑢 {\displaystyle{\displaystyle\mathscr{F}\left(\NVar{u}\right)}} : Fourier transform of a tempered distribution
  • ϕ ⁢ ( x 1 , x 2 , … , x n ) italic-ϕ subscript 𝑥 1 subscript 𝑥 2 … subscript 𝑥 𝑛 {\displaystyle{\displaystyle\phi(x_{1},x_{2},\dots,x_{n})}} : test function
  • 𝐃 𝐃 {\displaystyle{\displaystyle\mathbf{D}}} : vector differential operator (locally)
  • P 𝑃 {\displaystyle{\displaystyle P}} : polynomial of several variables
  • D ⁢ f 𝐷 𝑓 {\displaystyle{\displaystyle Df}} :
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