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Necessary and sufficient conditions for the existence of the modular Fourier transform: Comments on "Number theoretic transforms to implement fast digital convolution"

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2 Author(s)

A correct proof of Theorem 2 from the paper "Number Theoretic Transforms to Implement Fast Digital Convolutions," giving necessary and sufficient conditions for the modular Fourier transform, is presented. A counterexample to Theorem 1 of the above paper is also given.

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Proceedings of the IEEE  (Volume:65 ,  Issue: 2 )