This paper is dedicated to the proof of Strichartz estimates on the Heisenberg group Hd for the linear Schrödinger and wave equations involving the sublaplacian. The Schrödinger equation on Hd is an example of a totally non-dispersive evolution equation: for this reason the classical approach that permits to obtain Strichartz estimates from dispersive estimates is not available. Our approach, inspired by the Fourier transform restriction method initiated in Tomas (Bull Am Math Soc 81: 477–478, 1975), is based on Fourier restriction theorems on Hd, using the non-commutative Fourier transform on the Heisenberg group. It enables us to obtain also an anisotropic Strichartz estimate for the wave equation, for a larger range of indices than was previously known.
Strichartz Estimates and Fourier Restriction Theorems on the Heisenberg Group
Barilari D.;
2021
Abstract
This paper is dedicated to the proof of Strichartz estimates on the Heisenberg group Hd for the linear Schrödinger and wave equations involving the sublaplacian. The Schrödinger equation on Hd is an example of a totally non-dispersive evolution equation: for this reason the classical approach that permits to obtain Strichartz estimates from dispersive estimates is not available. Our approach, inspired by the Fourier transform restriction method initiated in Tomas (Bull Am Math Soc 81: 477–478, 1975), is based on Fourier restriction theorems on Hd, using the non-commutative Fourier transform on the Heisenberg group. It enables us to obtain also an anisotropic Strichartz estimate for the wave equation, for a larger range of indices than was previously known.File | Dimensione | Formato | |
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