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Q&A for professional mathematicians
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Hottest Questions Today - MathOverflow
Skip to main content Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, ...
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I hope everyone is doing well. Let $K \subset \mathbb{R}^n$ be a centrally symmetric convex body $(K = -K)$. Denote by $K \mid H$ the orthogonal projection of $K$ onto $H$, where $H$ is an $n - 1$
Mathoverflow.net news digest
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0 days
Is generator of $\pi_6(S^3)=\Bbb Z_{12}$ a fibration?
Identify $S^3$ with the unit quaternions. Let $[.,.]: S^3\times S^3\to S^3$ be the commutator map $[x,y]=xyx^{-1}y^{-1}$. Since, it is identity on $S^3\vee S^3$ it factors through $S^3\wedge S^3\cong S^6$ and creates a map $\phi: S^6\to S^3$. This map...
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0 days
Can elements in a local ring be expanded over generators of the maximal ideal, u...
Let $R$ be a (commutative) Noetherian local ring with maximal ideal $ \mathfrak m$. Choose any $f_i$ that generate the maximal ideal: $(f_1, \ldots,f_t) = \mathfrak m$.
Is it true that for every element $r \in R$, there exists a polynomial $P_r\in R[x_1,\ldots, x_t]$ such that... -
3 months
Is Ramanujan's $G_{1255}$ connected to the snub dodecadodecahedron?
(April 2026: Corrected typo in equations. It should be $x^3+2x^\color{red}2-\phi^2=0$.)
I. Polyhedra
In this MO question and the table below it, we checked all 75 uniform polyhedra and found that of the 12 uniform snub polyhedra, then TEN have Cartesian coordinates involving constants that are roots of equations of degree $k>2$,... -
8 months
Examples for the use of AI and especially LLMs in notable mathematical developme...
The purpose of this question is to collect examples where large language models (LLMs) like ChatGPT have led to notable mathematical developments.
The emphasis in this question is on LLMs, but answers about other machine-learning tools are also welcome....
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