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4. (a) Let (p) be the Fourier transform of f(x) and (p) the Fourier transform of u(x). You may assume all Fourier transforms are
4. (a) Let (p) be the Fourier transform of f(x) and (p) the Fourier transform of u(x). You may assume all Fourier transforms are defined as integral. Suppose Show that u solves (p) = (p) 1+ 4p* -u" (x) + u(x) = f(x). [7]
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Measures Integrals And Martingales
Authors: René L. Schilling
2nd Edition
1316620247, 978-1316620243
