[HTML][HTML] Strichartz estimates and Fourier restriction theorems on the Heisenberg group

H Bahouri, D Barilari, I Gallagher - Journal of Fourier Analysis and …, 2021 - Springer
Journal of Fourier Analysis and Applications, 2021Springer
This paper is dedicated to the proof of Strichartz estimates on the Heisenberg
group\({\mathop {\mathbb H}\nolimits}^ d\) for the linear Schrödinger and wave equations
involving the sublaplacian. The Schrödinger equation on\({\mathop {\mathbb H}\nolimits}^
d\) 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 …
Abstract
This paper is dedicated to the proof of Strichartz estimates on the Heisenberg group for the linear Schrödinger and wave equations involving the sublaplacian. The Schrödinger equation on 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, 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.
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