Abstract
The first part of this paper is concerned with the proof of a discrete analog of the Poisson summation formula. In the second part, we describe an elementary proof of a functional equation for the function \(\theta (t)\), based on the summation formula derived in the paper.
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Ustinov, A.V. A Discrete Analog of the Poisson Summation Formula. Mathematical Notes 73, 97–102 (2003). https://doi.org/10.1023/A:1022178118555
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DOI: https://doi.org/10.1023/A:1022178118555