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51 votes

How can we attract more grad students?

I'll go against my best judgement and will reply to this with my own perception. First of all, the best thing would be to ask graduate students directly. I don't know if there are any active efforts ...
AT0's user avatar
  • 1,447
29 votes

What do you want to do in Rio?

If you have an excuse to mention MO in your abstract, please consider doing so. MO is mentioned in the paper I submitted for the proceedings and it will appear in one slide of my talk at the ICM.
Bill Johnson's user avatar
21 votes

Best of MathOverflow, or papers inspired by MathOverflow

My MO question Conjugation of group extensions was answered by YCor. As a result, we wrote a joint note Conjugate complex homogeneous spaces with non-isomorphic fundamental groups published in C. R. ...
18 votes

How can we attract more grad students?

I don't believe MO can do anything to make most grad students comfortable posting here. It wouldn't be compatible with the culture of the site or how its users see it (and some of the comments on this ...
jdc's user avatar
  • 2,984
16 votes
Accepted

MO in the Notices of the AMS

The Opinion column "Mathematical Community" in the March 2011 issue, by John Swallow, asks, "Are mathematicians at the forefront of collaboration, with the advent of the Polymath Projects and Math ...
Gerry Myerson's user avatar
15 votes
Accepted

Is there a way to measure the effectiveness of MO?

A lot of MathOverflow data is already available publicly. An anonymized version of the entire Stack Exchange Network database is archived every few weeks and permanently on archive.org. It's easy to ...
François G. Dorais's user avatar
14 votes

Best of MathOverflow, or papers inspired by MathOverflow

A nice question by Michael Hardy, How many rearrangements must fail to alter the value of a sum before you conclude that none do?, led to a recent 6-author collaboration, 5 or 6 of whom are MO patrons ...
12 votes

Examples of mathematical exposition arising from MO answers

This paper resulted from a question on mathoverflow. This monograph on properties of 3-manifold groups has now appeared in print.
Ian Agol's user avatar
  • 67.4k
12 votes

How can we attract more grad students?

I'm writing this answer as a (pseudo)-grad student who is comfortable using the site, having no real publications or positions under my belt. Disclaimer: Generally I try to avoid using the pronoun 'I' ...
Alec Rhea's user avatar
  • 9,047
11 votes

Best of MathOverflow, or papers inspired by MathOverflow

In 2013 John Pardon solved the Hilbert-Smith conjecture for group actions on 3-manifolds. Lemma 2.17 of the paper was based on the answer to this mathoverflow question. I was quite surprised to ...
11 votes

Best of MathOverflow, or papers inspired by MathOverflow

Mohammad Ghomi answered the question Shortest closed curve to inspect a sphere, in a paper, Shortest closed curve to inspect a sphere, posted to the arXiv (https://arxiv.org/abs/2010.15204), whose PDF ...
11 votes

Best of MathOverflow, or papers inspired by MathOverflow

The MO question, "Shortest closed curve to inspect a sphere," was cited as the "initial stimulus" for the paper Mohammad Ghomi, "The length, width,and inradius of space curves," (PDF download.) ...
10 votes

Best of MathOverflow, or papers inspired by MathOverflow

Hannah Cairns's proof of Perron's theorem (discussed in this MathOverflow question) has been published in The American Mathematical Monthly as Perron’s Theorem in an Hour.
10 votes

Best of MathOverflow, or papers inspired by MathOverflow

The full answer to the question Decidability of diophantine equation in a theory by rainmaker in the case of Robinson’s arithmetic was written up in my paper Division by zero, Archive for Mathematical ...
10 votes

Best of MathOverflow, or papers inspired by MathOverflow

An unpublished open problem posed by Adam Chalcraft, Does every polyomino tile $\mathbb R^n$ for some $n$?, received considerable attention when I posted it here on MO. (Of all the questions that I ...
10 votes

Best of MathOverflow, or papers inspired by MathOverflow

Not sure if my recent paper "Equivalence: an attempt at a history of the idea" qualifies as one of the "best of Mathoverflow or papers inspired by Mathoverflow". But I am sure Mathoverflow was a force ...
9 votes

Best of MathOverflow, or papers inspired by MathOverflow

Julien Marché's question "Homology generated by lifts of simple curves" was the first appearance in print of a folklore question (I first was asked it back when I was a postdoc). As I discuss in my ...
9 votes

Examples of mathematical exposition arising from MO answers

The note "Did a 1-dimensional magnet detect a 248-dimensional Lie algebra?" by David Borthwick and Skip Garibaldi mentioned in this MO answer by Garibaldi was published here in the Notices of the AMS.
j.c.'s user avatar
  • 13.5k
9 votes

Examples of mathematical exposition arising from MO answers

My preprint arXiv:1609.01160 was written in response to Question 248665.
Chandan Singh Dalawat's user avatar
9 votes

How can we attract more grad students?

This is a very difficult question. However, I think that we could attract more graduate students (actually, more people in general) following three lines of action. Many of these things have been ...
Francesco Polizzi's user avatar
8 votes

Best of MathOverflow, or papers inspired by MathOverflow

My Forum of Mathematics Sigma paper (published 2021) answered a 20-year old question of Jeff Shallit. The proof makes crucial use of ideas in a 2016 MO answer by Anthony Quas.
8 votes

Best of MathOverflow, or papers inspired by MathOverflow

Joachim König has answered my question Order of products of elements in symmetric groups in his paper A note on the product of two permutations of prescribed orders, to appear in European Journal of ...
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

This paper addresses and partially solves a question posed by Matthew Kahle, whose MO question they explicitly cite: chromatic number of the hyperbolic plane. DeCorte, Evan, and Konstantin Golubev....
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

The paper "Majority colourings of digraphs" by Paul Seymour, Stephan Kreutzer, Sang-il Oum, David R. Wood and myself has its origin in my question "Majority coloring for directed graphs".
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

This paper of mine (Arithmetic Restrictions on Geometric Monodromy) was inspired in large part by this question asked by Lisa S., though the original motivation is not so obvious in the final product.
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

The discussion initiated by my question Primes occurring as orders of elements of a finitely presented group led to the addition of Section 5 to: Maurice Chiodo, On torsion in finitely presented ...
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

Leonardo Zapponi has answered my question Parametric solutions of Pell's equation in his paper Parametric solutions of Pell equations.
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

Quoting Oscar Cunningham's answer to an MO question asking for decision problems that are not known to be decidable: In Conway's Game of Life, the problem of deciding whether a given pattern with ...
7 votes

Best of MathOverflow, or papers inspired by MathOverflow

This doesn't quite fit the mold of the other postings, but Matt Parker (Numberphile and StandUpMaths) made a YouTube video that mentions MathOverflow several times, and particularly highlights the ...
6 votes

Best of MathOverflow, or papers inspired by MathOverflow

Zhi-Wei Sun posted a highly upvoted MO question in 2018, Can we write each positive rational number as ${1\over p_1−1}+\cdots+{1\over p_k−1}$ with $p_1,\ldots,p_k$ distinct primes? The question ...

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