Sampling of entire functions of several complex variables on a lattice and multivariate Gabor frames
Peer reviewed, Journal article
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We give a general construction of entire functions in d complex variables that vanish on a lattice of the form = A(Z + iZ)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 C2. By using an equivalent real-variable formulation, we show that these lattices fail to generate a Gabor frame.