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Lévy processes and Fourier multipliers

Rodrigo Bañuelos, Krzysztof Bogdan

math.FAarXiv:math/0609432

Abstract

We study Fourier multipliers which result from modulating jumps of Lévy processes. Using the theory of martingale transforms we prove that these operators are bounded in Lp() for 1<p<∞ and we obtain the same explicit bound for their norm as the one known for the second order Riesz transforms.

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