Schwartz Space - Properties

Properties

  • S(Rn) is a Fréchet space over the complex numbers.
  • From Leibniz' rule, it follows that S(Rn) is also closed under pointwise multiplication: if f, gS(Rn), then fgS(Rn).
  • If 1 ≤ p ≤ ∞, then S(Rn) ⊂ Lp(Rn).
  • The space of all bump functions, C
    c(Rn), is included in S(Rn).
  • The Fourier transform is a linear isomorphism S(Rn) → S(Rn).
  • If fS(R), then f is uniformly continuous on R.

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