Some remarks on the $L^p-L^q$ boundedness of trigonometric sums and oscillatory integrals

Details Some remarks on the $L^p-L^q$ boundedness of trigonometric sums and oscillatory integrals Some remarks on the $L^p-L^q$ boundedness of trigonometric sums and oscillatory integrals

2003-11-12

arxiv.org/abs/math/0311186v1

Mathematics

Analysis of PDEs

20 pages, 2 figures

Scientific paper

We discuss the asymptotic behaviour for the best constant in L^p-L^q estimates for trigonometric polinomials and for an integral operator which is related to the solution of inhomogeneous Schrodinger equations. This gives us an opportunity to review some basic facts about oscillatory integrals and the method of stationary phase, and also to make some remarks in connection with Strichartz estimates.

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