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# Questions

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### Is the analysis as taught in universities in fact the analysis of definable numbers?

may 7 12 at 16:41 WM 116

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### Do complex iterates of functions have any meaning?

aug 19 at 6:42 Gottfried Helms 1,3711310

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### Is there integral analog of Ramanujan sum?

apr 2 11 at 21:44 Anixx 2,0361919

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### Proof that derivative of Hurwitz Zeta by the first argument is not expressable in terms of Hurwitz Zeta

feb 9 at 16:55 Anixx 2,0361919

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597
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### Are these two functions equal?

mar 9 12 at 18:13 Marc Palm 7,1201721

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586
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### Is there a known formula for fractional derivative of cot x?

apr 18 12 at 9:21 Manuel Ortigueira 111

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### Approach to solving a differential-functional equation

dec 22 10 at 18:22 MathOverflow 123

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### Can roots of any polynomial be expressed using Eulerian function?

feb 23 12 at 6:43 Anixx 2,0361919

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### Connection between Bernoulli polynomials and polygamma function

jun 17 12 at 23:08 Hassan Jolany 1,1651212

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