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Sampling of Entire Functions of Several Complex Variables on a Lattice and Multivariate Gabor Frames (1905.09927v1)
Published 23 May 2019 in math.CV and math.FA
Abstract: We give a general construction of entire functions in $d$ complex variables that vanish on a lattice of the form $L = A (Z + i Z )d$ for an invertible complex-valued matrix. As an application we exhibit a class of lattices of density >1 that fail to be a sampling set for the Bargmann-Fock space in $C 2$. By using an equivalent real-variable formulation, we show that these lattices fail to generate a Gabor frame.
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