2022
DOI: 10.5802/crmath.342
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Completeness of coherent state subsystems for nilpotent Lie groups

Abstract: Let G be a nilpotent Lie group and let π be a coherent state representation of G. The interplay between the cyclicity of the restriction π| Γ to a lattice Γ ≤ G and the completeness of subsystems of coherent states based on a homogeneous G-space is considered. In particular, it is shown that necessary density conditions for Perelomov's completeness problem can be obtained via density conditions for the cyclicity of π| Γ .

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