Gottfried Helms
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# 106 Questions

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### I can Euler-sum $\sqrt{-\ln(1)}-\sqrt{-\ln(2)}+\sqrt{-\ln(3)}-\cdots$. But how can I do $\sqrt{-\ln(1)}+\sqrt{-\ln(2)}+\sqrt{-\ln(3))}+\cdots$?

oct 30 '13 at 15:31 Gottfried Helms 14.1k
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### A Ramanujan-like summation: is it correct? Is it extensible?

mar 7 '14 at 8:36 Gottfried Helms 14.1k
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### Number of primefactors in $f(n,W) = \prod_{k=1}^W (p_k^n -1) \text{ where } p_k=Prime(k)$

jan 21 '13 at 13:21 Gottfried Helms 14.1k
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### Has the $\Gamma$-like function $f_p(n) = 1^{\ln(1)^p} \cdot 2^{\ln(2)^p} \cdot \ldots \cdot n^{\ln(n)^p}$ been discussed anywhere?

oct 5 '12 at 2:02 Argon 11.8k
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### Are there asymptotic expressions for multiple zetas $\small \zeta(s),\zeta(s,s),\zeta(s,s,s),\ldots$ where $\small s=1+\delta, \delta\to 0$?

apr 29 '12 at 14:15 Ｊ. Ｍ. 46.3k
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