[Submitted on 20 Dec 2023 ( v1 ), last revised 21 Dec 2023 (this version, v2)] Title:Spectral theory of the invariant Laplacian on the disk and the sphere -- a complex analysis approach Download a PDF of the paper titled Spectral theory of the invariant Laplacian on the disk and the sphere -- a complex analysis approach, by Annika Moucha and 2 other authors Download PDF Abstract:The central theme of this paper is the holomorphic spectral theory of the canonical Laplace operator of the...