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mathoverflow.net
mathoverflow.net
2026
21 Sept 2026
21 Sept 2026
21 Sept 2026
21 Sept 2026
Does there exist $f:\mathbb{Z}_{>0}\to\mathbb{Z}_{>0}$ with $\dfrac{f^{f(b)}(a)+f^{f(a)}(b)}{f^{f(ab)}(a+b)}=2^{ab}-1$ for all $a,b$?original ↗
21 Sept 2026
20 Sept 2026
20 Sept 2026
How do mathematicians balance the need to understand things deeply with the need to keep moving?original ↗
20 Sept 2026
20 Sept 2026
18 Sept 2026
Is this prime-supported discrete mean-square estimate over the zeros of the Riemann zeta function already known?original ↗
18 Sept 2026
18 Sept 2026
18 Sept 2026
Reference for the renormalized $s = 1$ endpoint of the Berezin transform on the Poincaré diskoriginal ↗
18 Sept 2026
Does this show that the unrestricted $O(1)$ reading of Perelman’s Remark 9.6 fails even on a closed manifold?original ↗
18 Sept 2026
17 Sept 2026
17 Sept 2026
Relation between the proportion of zeros of $\xi'$ on the critical line and the proportion of zeros of $\zeta$ on the critical lineoriginal ↗
17 Sept 2026
Different definitions of quantized enveloping algebra and finite-dimensional admissible representationsoriginal ↗
17 Sept 2026
15 Sept 2026
21 Aug 2026
2025
Examples for the use of AI and especially LLMs in major mathematical developments [closed]original ↗
26 Oct 2025
In an artinian ring $R$, primitive idempotents of $R$ map to primitive idempotents of $\overline{R}$original ↗
8 Jul 2025
Generalization of the "# of zeros cannot increase with time" theorem to parabolic PDEs with inhomogenous termoriginal ↗
8 Apr 2025
2024
25 Feb 2024
2023
Triple covers of $\mathbb{P}^2$ with Tschirnhausen module $\mathcal{O}(-1)\oplus\mathcal{O}(-1)$original ↗
9 May 2023
Can every "not-too-big" differential field be thought of as actually consisting of functions?original ↗
20 Feb 2023
2020
23 Jun 2020
2019
How to interpret Gauss's late fragments on conformal mapping of the interior of an ellipse (to the unit disk) in modern mathematical terms?original ↗
17 Apr 2019
How to find the Eulerian circuit with the minimum accumulative angular distance within an Eulerian graph?original ↗
17 Apr 2019
2017
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2012
2011
18 Nov 2011