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2 Riemann Lebesgue Lemma
3 Convolution of two functions
18 other sections not shown
a(oc absolute convergence absolutely continuous assumption B(oc Banach space belongs to L1 bounded functions bounded linear transformation bounded variation Cauchy limit Cauchy sequence Chapter Chr.I class L1 Conclusion condition continuous function converges convolution defined denote dense derivative dS(y dx)p element everywhere exists a function f(oc f(x+h f(x+t finite interval fixed fn(x following THEOREM formula Fourier transform func function f(x function given function of class H(Ru Hence HQ(t implies integral inverse inversion-formula isometric K(cx K(oc kernel L1-functions Lebesgue Lemma Let f(x Lg-norm lim f lntegrable metric space monotonely norm null set obtain oo oo oo Proof Parseval's relation principal class prove radial functions real numbers Remarks result Riemann Riemann integrable Rq+1 satisfies SR(x step-functions subset summability T(oc Tauberian theorem theorem 11 theorem 9 tions trans uniformly unitary transformation V2rc vanishes variable Watson transform y(oc zero