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Infinite series of Bessel function of the first kind, $\sum_\nu^{\pm\infty}J_{N\nu+p}(x)$, $\sum_\nu^{\pm\infty} (-1)^\nu J_{N\nu+p}(x)$, are summed inclosed form. These expressions are evaluated by engineering a Dirac comb thatselects specific sequences within the Bessel series.

On Infinite Series of Bessel functions of the First Kind: $\sum_\nu J_{N\nu+p}(x), \sum_\nu (-1)^\nu J_{N\nu+p}(x)$