Von Neumann indices and classes of positive definite functions
DOI10.1063/1.4895462zbMath1316.43002arXiv1403.0619OpenAlexW3105290865MaRDI QIDQ2924906
Feng Tian, Palle E. T. Jorgensen
Publication date: 20 October 2014
Published in: Journal of Mathematical Physics (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1403.0619
Dilations, extensions, compressions of linear operators (47A20) Hilbert spaces with reproducing kernels (= (proper) functional Hilbert spaces, including de Branges-Rovnyak and other structured spaces) (46E22) Positive definite functions on groups, semigroups, etc. (43A35) Linear operators in reproducing-kernel Hilbert spaces (including de Branges, de Branges-Rovnyak, and other structured spaces) (47B32)
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