Does a Closed Form Exist for the Harmonic Series?

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SUMMARY

The harmonic series, represented as \(\sum_{k=1}^{n} \frac{1}{k}\), does not have a closed form expression in terms of elementary functions such as exponential, trigonometric, or logarithmic functions. This conclusion is definitive, as it has been established that the series diverges to infinity and cannot be expressed similarly to polynomial sums, such as \(\sum_{k=1}^{n} k = \frac{n(n+1)}{2}\). The discussion confirms that no proof exists to suggest a closed form for the harmonic series, nor has it been proven that such a form cannot exist.

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Dansuer
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HI!

I was wandering if there is a proof that the harmonic sum \sum\frac{1}{k} has no closed form. Something like the proof that an equation with degree more than 4 has no solution in terms of radicals.
 
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Dansuer said:
HI!

I was wandering if there is a proof that the harmonic sum \sum\frac{1}{k} has no closed form. Something like the proof that an equation with degree more than 4 has no solution in terms of radicals.
This series diverges to infinity.
 
yeah that's cool but that's not what I'm looking for. Maybe I've not been very clear.
I'll try again.

There is not a closed form expression of the harmonic sum \sum^{n}_{0}\frac{1}{k}. which means it cannot be expressed in terms of elementary functions (e^x,sin(n), log(n), ...).
This is a closed form for \sum^{n}_{0} k

\sum^{n}_{0} k = \frac{n(n+1)}{2}

Does a closed form exist, but it's not yet been found ?
or it had been proved that it cannot exist ?
or maybe there is, maybe not, nobody knows anything about it ?
 

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