{ "id": "2106.05101", "version": "v1", "published": "2021-06-09T14:24:34.000Z", "updated": "2021-06-09T14:24:34.000Z", "title": "Local smoothing and Hardy spaces for Fourier integral operators", "authors": [ "Jan Rozendaal" ], "comment": "9 pages", "categories": [ "math.AP", "math.CA" ], "abstract": "We obtain new local smoothing estimates for the Euclidean wave equation on $\\mathbb{R}^{n}$, by replacing the space of initial data by a Hardy space for Fourier integral operators. This improves the bounds in the local smoothing conjecture for $p\\geq 2(n+1)/(n-1)$, and complements them for $2