50
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 ...

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.

20
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. ...

Community wiki

17
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 ...

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 ...

15
votes

### Mugs, Stickers And Shirts - Now With 100% More MathOverflow!

The swag is here!
The re-order shipment is now in stock and that information we've been holding for over a year now has been sent off to our warehouse so the orders can now be processed. Everything ...

13
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 ...

Community wiki

13
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 ...

12
votes

### Best of MathOverflow, or papers inspired by MathOverflow

This MO question was the starting point for a joint work with Tao Mei where we study radial multipliers on the von Neumann algebras of hyperbolic groups. The paper is entitled Complete boundedness of ...

Community wiki

12
votes

### It's been another year...MO exists since six years!

Happy birthday MO! While we're enjoying all this free cake, maybe we can take a moment to reflect on how (or even whether) MO has grown in the past year.
Out of curiosity, I put together some search ...

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.

11
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 ...

Community wiki

11
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.

Community wiki

11
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' ...

10
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 ...

Community wiki

10
votes

### Best of MathOverflow, or papers inspired by MathOverflow

This paper,
Roman Karasev, Jan Kynčl, Pavel Paták, Zuzana Safernová, and Martin Tancer. "Bounds for Pach's selection theorem and for the minimum solid angle in a simplex." arXiv:1403.8147 (2014).
...

Community wiki

10
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.)
...

Community wiki

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 ...

Community wiki

9
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 ...

Community wiki

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 ...

Community wiki

9
votes

### It's been another year...MO exists since six years!

A good evidence for me that Mathematics is free of time - although I'm here for almost two years by now, it feels at the same time like my interactions here happened all at the same moment and like I'...

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.

9
votes

### Examples of mathematical exposition arising from MO answers

My preprint arXiv:1609.01160 was written in response to Question 248665.

8
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 ...

Community wiki

8
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 ...

Community wiki

8
votes

Accepted

### Can there be a MathOverflow Careers?

EDIT: As quid noted in the comments, the details of the academic hiring process below describe the US market. The European one is somewhat different (especially as regards to dates; their deadlines ...

8
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 ...

7
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.

Community wiki

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".

Community wiki

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.

Community wiki

Only top scored, non community-wiki answers of a minimum length are eligible

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