Timeline for Behavior of $m(x)\sqrt{x}$ where $m(x)=\sum_{n\leq x}\frac{\mu(n)}{n}$
Current License: CC BY-SA 4.0
10 events
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Jul 30 at 15:33 | comment | added | Babar | @GH from MO Thanks, I expressed myself poorly. I meant to say "the best known result" instead of "tight". | |
Jul 30 at 15:29 | comment | added | GH from MO | @Babar The inequalities by Kotnik & te Riele are not tight. It is expected that $\limsup M(x)x^{-1/2}=\infty$ and $\liminf M(x)x^{1/2}=-\infty$. By following my answer you should be able to find a numeric positive lower bound for $\limsup m(x)x^{1/2}$ and a numeric negative upper bound for $\liminf m(x)x^{1/2}$. | |
Jul 30 at 15:28 | vote | accept | Babar | ||
Jul 30 at 15:25 | comment | added | Babar | For the Mertens function $M(x)$, Kotnik & te Riele established: $\limsup M(x)x^{-1/2} > 1.218$, $\liminf M(x)x^{-1/2} < -1.229$. However, analogous tight bounds for $m(x)x^{1/2}$ are unknown to me. | |
Jul 30 at 15:24 | history | edited | GH from MO |
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Jul 30 at 14:56 | answer | added | GH from MO | timeline score: 5 | |
Jul 30 at 14:48 | comment | added | David E Speyer | See mathoverflow.net/questions/153695 for upper bounds on $|m(x)|$, but that doesn't address lower bounds. (I mistakenly thought this was a duplicate of that one, but it isn't.) | |
Jul 30 at 14:47 | history | reopened | David E Speyer nt.number-theory Users with the nt.number-theory badge or a synonym can single-handedly close nt.number-theory questions as duplicates and reopen them as needed. | ||
Jul 30 at 14:46 | history | closed | David E Speyer nt.number-theory Users with the nt.number-theory badge or a synonym can single-handedly close nt.number-theory questions as duplicates and reopen them as needed. | Duplicate of Reference and best bounds of $\sum_{n\leq x}\frac{\mu(n)}{n}$ | |
Jul 30 at 14:25 | history | asked | Babar | CC BY-SA 4.0 |