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20 votes
1 answer
724 views

Traffic from the list of hot network questions

To better understand the advantages and disadvantages of having MO questions featured in the list of hot network questions, as discussed here and here, it would be useful if Stack Exchange could ...
20 votes
2 answers
658 views

Building an MO app?

On stackapps, there is a broad spectrum of apps designed by users to improve their Stack Exchange experience. Most apps are oriented toward Stack Oveflow and do not necessarily address the needs and ...
20 votes
2 answers
803 views

MathOverflow conferences

What would the appropriate initial steps be to host a MathOverflow conference? Back in 2019 I hosted a party for the 10th anniversary of MathOverflow, and it was a blast.$^*$ Since then I've ...
  • 7,697
20 votes
1 answer
796 views

The math! It's overflowing!

See what happens if you expand the comments on this question, we get this prime example of a math overflow: Of course, this is due to a \$ problem, but still, it seems to be a flaw in the CSS that ...
20 votes
0 answers
880 views

Are we making it too tempting/easy to send inappropriate posts to MSE?

This "question" (asking for generalized help with a long list of elementary topics) is clearly going to be unwelcome almost anywhere, yet two users voted to close with a suggestion to "see math....
20 votes
0 answers
748 views

Which "non-arxiv" tags are de facto top-level tags?

The tag system on MathOverflow is designed in such way that each question should contain top-level tag; these are the tags which correspond to subject areas on arXiv and generally have format such as ...
20 votes
0 answers
219 views

Visited / unvisited links in the questions / answers

I just posted a question and I noticed that unvisited links use a color that is difficult to distinguish ... but visited links are even harder to recognize. See the snapshot below from my Firefox 41....
19 votes
6 answers
2k views

Shall we have tea?

As was recently discussed at Should meta be Q&A?, it's rather strange to have our meta site run on a Q&A basis. In the past our meta site was a Vanilla forum, and in fact it still exists, ...
19 votes
4 answers
1k views

Why was "The origin(s) of the word “elliptic” migrated to hsm?

This question on the history of the ellipse terminology was migrated to hsm after a week of being active on MO and receiving several useful answers. Did the OP ask for migration? Why are some ...
19 votes
1 answer
556 views

Creation of "procrastination" tag

One user has created the tag procrastination: see this question. In principle I would have immediately deleted it as totally irrelevant (in the same way I would delete "Stupid question" or &...
  • 54.8k
19 votes
4 answers
2k views

Dealing with possible incorrectness

I have seen a few responses on MO that I think are either incorrect or possibly incorrect. What is the best way to draw attention to possible incorrectness? (I provide two examples below; if this is ...
19 votes
2 answers
960 views

Nominating other community members

Is there no mechanism to suggest other community members for nomination? If I remember correctly, last election there was some mechanism in place to suggest community members other than ourselves who ...
  • 7,697
19 votes
2 answers
799 views

asking questions outside of field of expertise

MathOverflow + Math.StackExchanage are great resources for learning and talking about mathematics. Often, I can get constructive and informative discussions leading to progress. MathOverflow is a ...
19 votes
2 answers
818 views

Using MathOverflow to help with referee work

Suppose I am refereeing a paper and wish to remain anonymous as referee. Suppose I had trouble understanding some of the proofs in the paper and made a post on MathOverflow and received a very helpful ...
  • 285
19 votes
1 answer
978 views

What caused the spike in views and visits on September 23, 2018?

Just curious: What might have caused the spike in visits & views on that Sunday? A spike in the pulse of mathematics.       Screenshot from site analytics.
19 votes
2 answers
443 views

Voting on meta questions to indicate agreement or disagreement

We've previously discussed the meaning of a downvote on meta, and I think that's worth reading before discussing anything further here. I don't at all like that perfectly reasonable questions (...
19 votes
2 answers
2k views

How can I log in into my old mathoverflow account?

I had a separate log in account for mathoverflow. Now, I'm unable to log in into that. I see only options of logging in using google, facebook, stack exchange etc but no option of logging using ...
19 votes
1 answer
650 views

Should I give a link to my recent published paper to an old question of mine on MO?

4 years and 6 months ago I asked on MO: "Who introduced the terms “equivalence relation” and “equivalence class”?" It was somehow a resting stone of a long journey that started 13 years ago from today ...
  • 2,269
19 votes
1 answer
901 views

Somebody copied my question from mathstackexchange word-for-word

While using google to search for "11th power diophantine" it gave the mathoverflow link, The diophantine eq. $x^4 +y^4 +1=z^2$ which is copied word-for-word from my mathstackexchange post, https://...
19 votes
3 answers
406 views

Community Wiki in the hands of moderators

I don't understand the wisdom of removing the CW button from the control of an author of a question, and having always to pester the moderators to turn it on. Might it be possible to return this ...
  • 51.1k
19 votes
1 answer
925 views

Is my question suitable for MO?

Around a month ago I asked a question on ME here. It was well received (got seven up votes). Sadly nobody was able to help much. To get more attention I also placed a bounty on it. Still no luck. The ...
  • 211
19 votes
2 answers
753 views

How can I tell if my question is appropriate to MathOverflow or if I should just put a bounty on it at Math.SE?

I have at least two questions which are about graduate level mathematics on Math.SE, but about which I have serious doubts regarding whether or not they are "research level". In other words, I don't ...
  • 2,507
19 votes
0 answers
1k views

Increase in unexplained downvotes on (old) questions/answers?

I recently received a downvote without comment on a question and all of its answers, which are good independent of the value of my question imo. I’ve also had two other questions receive similar ...
  • 7,697
19 votes
0 answers
413 views

The message "User was removed" can be ambiguous

You could save me a few heart attacks :-) by changing the message to the more clearer "Voter was removed" (or whatever you see fitting). I first thought I was removed (maybe on another suboverflow, ...
19 votes
0 answers
1k views

Passing of John Nash

I'm sorry to report the sad news that John Nash has died. Requiescat in pace.
18 votes
11 answers
873 views

2022 Moderator Election Q&A – Question Collection

The purpose of this thread was to collect questions for the questionnaire. The questionnaire is now live, and you may find it here. MathOverflow is scheduled for an election next week, 2022-09-19. In ...
  • 101
18 votes
4 answers
1k views

What areas/aspects of mathematics are underrepresented on MO?

The question: What areas/aspects of mathematics are underrepresented on MO?
  • 23.9k
18 votes
4 answers
1k views

Mathoverflow and the mathematical community

What is the general point of view of the mathematical community about MO ? Do you talk about MO with your colleagues non-"MO users" ? What are their views? Is it acceptable to cite MO's posts in ...
18 votes
3 answers
979 views

Are Links to Articles Behind a Paywall Acceptable Answers?

This question boils down to whether an answer to a question should contain sufficiently free and easily accessible detail about the solution to a question. So IMHO it would be perfectly acceptable, ...
  • 11.7k
18 votes
5 answers
1k views

Is it frowned upon to answer a question and vote to close?

Is it frowned upon to answer a question and vote to close it? I did this for MO166234 and received this comment from a high-rep user: ...
18 votes
1 answer
1k views

Are there universities that take your MathOverflow score seriously

When being considered for a position at a university as a post doc or phd or professor, does your MathOverflow account mean anything. Are there any universities that take this seriously when looking ...
  • 1,473
18 votes
5 answers
1k views

On the recent question "Is Euclid dead?", or: Is it considered good practice to use MathOverflow for a campaign?

Yesterday, a question entitled Is Euclid dead? has been asked in which the OP states: "Currently I am leading a campaign for the return of EG to the syllabus of the high schools of my country (...
  • 18.5k
18 votes
2 answers
666 views

Proposal to more aggressively delete off-topic questions

We are going to get many more off-topic questions now. Can we agree to vote to delete on them so as not to pollute the site? It takes a few votes from users who can vote on such things and/or one ...
18 votes
1 answer
577 views

How long until MathOverflow will be part of the Stack Exchange Data Explorer?

According to this answer and this answer, MathOverflow will eventually appear on the Stack Exchange Data Explorer. A couple of weeks have passed since these answers were given and MO is still missing ...
18 votes
2 answers
602 views

What's the point of having an *MO* chat without LaTeX enabled?

The title says it all. :-) In response to the automatic disapproval of the question body: I tried to edit the chat messages after submitting but couldn't figure out how to do that either. (And I ...
  • 55.5k
18 votes
1 answer
475 views

Is the [completeness] tag necessary?

I have noticed today that we have a completeness tag. It currently houses seven different questions on widely different notions of completeness. Since there are widely different notions of ...
  • 36.6k
18 votes
1 answer
480 views

Influx of ridiculous number of spam users – what to do?

There is currently an absolutely ridiculous influx of spam user profiles: almost the entire "recent badges" section in the right-hand column of the main page is full of Autobiographer badges ...
  • 2,507
18 votes
9 answers
765 views

Requests to remove community wiki

In the old days of MathOverflow, community wiki status was irreversible. This is no longer the case! There are many old questions and answers that became community wiki by accident or other reasons. ...
18 votes
1 answer
450 views

Please BCC moderator private messages to moderators@mathoverflow.net

(This is a feature request only really relevant to moderators, but feel free to vote or comment anyway!) With the move to 2.0, the moderators now have a new mechanism for contacting users, called a ...
18 votes
0 answers
509 views

Posting multiple "answers" to an already answered question

This question was asked and correctly answered three weeks ago. Since then another user has posted, as of today, five other "answers" describing his thoughts about related questions, ...
18 votes
0 answers
752 views

Why is the "last seen 96 years ago" feature gone?

User homepages used to display the information "last seen ... (min/days/...) ago". It appears this feature is gone now. I found it useful, and while it does divulge some otherwise ...
18 votes
0 answers
436 views

Three-vote close?

MO users might be interested in this StackExchange experiment: Testing three-vote close and reopen on 13 network sites. There has been considerable discussion around close-votes in MO Meta over the ...
18 votes
0 answers
523 views

Removing questions after answers

I recently gave a simple counter example to a question posed (I'm sure the mods can see the question). Probably the user was embarrassed by this. The question was promptly deleted and with that my ...
  • 6,775
18 votes
0 answers
525 views

What "lattices" do we need?

The tag lattices is a problem since a long time. Over the years there were varied discussions about this, but no clear resolution emerged, though some things were done to better the situation. This is ...
user avatar
18 votes
0 answers
3k views

Can we replace client-side MathJax with server-side MathJax?

One of the (many) problems with MathJax is that formulas are rendered using a client-side JavaScript. Apart from the process itself being ridiculously slow, this also means that the entire page must ...
18 votes
0 answers
159 views

Making it easier to access hidden comments

This is a follow-up of this recent post, and hopefully a feasible suggestion. Problem: If a question/answer has many comments (say more than fit on my screen) and I decide to read them all, in ...
  • 12.7k
18 votes
4 answers
1k views

Deletion of on-topic comment threads

This question is about suppression of threads of comments by moderators, moved to chat with the message "Comments are not for extended discussion; this conversation has been moved to chat", ...
  • 54.8k
17 votes
8 answers
3k views

2021 Moderator Election Q&A - Questionnaire

In connection with the moderator elections, we are holding a Q&A thread for the candidates. Questions collected from an earlier thread have been compiled into this one, which shall now serve as ...
  • 101
17 votes
7 answers
2k views

What's our consensus on people resurrecting old questions just to edit formatting?

I think the title says it all. Personally, as someone who uses the "newest questions" as the front page, I'm not keen on people tweaking questions or answers that seem to have outlived active interest....
  • 24.6k
17 votes
24 answers
3k views

Help improve tagging!

Please help by writing tag wikis for your favorite tags! Use answers to this post to suggest tag synonyms. Finally, if you're a 10k+ user, note how easy it is for you to edit tags now!

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