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Junfa Deng

Publications and source records attributed to Junfa Deng.

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A quick distributional way to reproduce some results of the Riemann zeta function

The evaluation of the Riemann zeta function at negative integers is a classical result typically obtained through analytic continuation or contour integration. In this paper, we present a novel and concise derivation of these special values by employing the theory of Ces\`aro limit of distributions, a generalized limit concept developed by Estrada, Kanwal, and Fulling. We use this tool to give a quick proof of the result that \[ \zeta(-n)=-\frac{B_{n+1}}{n+1}, \] for $n\in\mathbb{N}^+.$ We also give a short discussion on $\zeta^{\prime }(\alpha)$ and compute the value of $\zeta^{\prime}(0)$.

math.NT