for every sequence of numbers a_n E_n is this identity correct ?(adsbygoogle = window.adsbygoogle || []).push({});

[tex] \sum_{n= -\infty}^{\infty}a_n e^{2\pi i E_{n}}= \sum_{n= -\infty}^{\infty}a_n \delta (x-E_{n}) [/tex]

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# Series identity

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