Abstract
For a class of real analytic functions on R, we give a condition for a function to be a quotient of two positive definite functions.
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References
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Tang, TM. On Quotients of Positive Definite Functions. Acta Mathematica Hungarica 89, 247–251 (2000). https://doi.org/10.1023/A:1010664009908
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DOI: https://doi.org/10.1023/A:1010664009908