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14 votes
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Change reputation required to post on meta back to 5 reputation points

Typically, Stack Exchange sites have the restriction that only users with at least 5 reputation points on the main site can post on meta. In this regard, MathOverflow is different. (It is listed also ...
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14 votes
0 answers
292 views

Please enable the AMScd package by default

We can draw diagrams using the AMScd package, and works quite nicely (see Math.SE for a working proof). However, on MathOverflow the package seems to be disabled by default, so if a user wants to use ...
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  • 35.3k
14 votes
0 answers
507 views

Thank you letter!

I am quite aware that meta has not designed for what I am about to write, but I cannot help myself. This concerns a recent "question" on MO: US editors and reviewers vs Iranian Authors? Indeed, it ...
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  • 2,219
14 votes
1 answer
288 views

Annoying popup about cookies

Recently, every time I visit Mathoverflow, I get a popup asking me to allow cookies. I have nothing against this in principle, but might there be a way that lets me respond and be done with it instead ...
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13 votes
0 answers
807 views

Vandalism edits by apparently-anonymous users

There is an answer to an old community wiki question that was edited about 45 mins ago to make it sexually explicit, with a second attempted edit pending approval to make it even more so. I rejected ...
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  • 6,231
13 votes
0 answers
780 views

Diminished activity during pandemic?

There has been a reduction in "traffic," but not nearly as much as I anticipated. This chart is maybe a few days behind a fast-moving situation, but I find it somehow comforting that math "goes on." ...
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13 votes
0 answers
606 views

Should moderators in some cases remove a question from the network-wide hot questions list?

Not too long ago - in March 2019 - some changes have been made to the Hot Network Questions (HNQ). Some of the new features are the limit on the number of hot questions from a single site, or limit on ...
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13 votes
0 answers
630 views

Users with many questions having negatives votes

I am a bit hesitant to bring up this issue, but since it does bother me a good deal here goes. It has similarities with this other meta question but with a more objective edge maybe. It is a fact ...
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13 votes
0 answers
507 views

Should this teaching question about Graph Theory be reopened?

Should What (fun) results in graph theory should undergraduates learn? be reopened? In the comments, Andrej Bauer suggests that it is should be moved to Math Educators Stack Exchange, while Fedor ...
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  • 28.7k
13 votes
0 answers
145 views

Improve management tools of favorite and upvoted questions/answers

Here is my wish list: When one marks a question as favorite or upvotes it, give a chance to: Mark the question with a private tag. Add a private comment to the question. Its length could be limited ...
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13 votes
0 answers
559 views

Is this question appropriate for MO? (Recognizing cohomological ideas)

About two weeks ago I asked this question on MSE: https://math.stackexchange.com/questions/1085946/when-should-i-be-doing-cohomology. (Short version: what are some ways I can tell that some sort of ...
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13 votes
0 answers
431 views

Should/may I delete this flawed question?

Two days ago I asked the following question: Does a lisse $\ell$-adic sheaf give rise to an affine group scheme? Even though I had been thinking about the question for half a week, I was half an hour ...
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13 votes
0 answers
432 views

Asking exactly what you need

If you compare my remarks in Do partitions of unity exist if we impose additional conditions on the derivatives? and Exponential sums you'll see that the problem and my request were exactly the ...
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  • 52.3k
13 votes
0 answers
356 views

MathOverflow Weekly Newsletter / Greatest hits from previous weeks

I don't know how many look at the MathOverflow Weekly Newsletter, but these were the "Greatest hits from previous weeks": "Video lectures of mathematics courses available online for free" from Feb ...
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13 votes
0 answers
326 views

Will MO have Community Promotion Ads?

Community Promotion Ads seem to be a useful tool for helping spread various links that might be useful for users of the site. I have mostly encountered them at MSE. I have learned several ...
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13 votes
0 answers
431 views

Use of arXiv tags

When MathOverflow began we decided to start using arXiv classification and created corresponding tags. These are still the most broadly used tags on MathOverflow. However, the usage of some these tags ...
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13 votes
1 answer
200 views

Sort by newest option

Is there any way to get back the option to sort answers in newest to oldest order?
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12 votes
0 answers
460 views

New Stack Exchange site for proof assistants and automatic theorem provers

Stack Exchange will soon create the Private Beta site for Proof Assistants and Automatic Theorem Provers. If you want to see what a Stack Exchange site is like in its initial beginnings, want to help ...
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12 votes
0 answers
420 views

What do moderators do these days?

More than 7 years ago, Scott Morrison asked a great meta question: What do moderators do?, and recorded some useful answers. Some seem to be of general significance, but many of the answers were ...
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12 votes
0 answers
390 views

2019: a year in moderation

Since the start of the new year, I've been posting questions on various sites detailing how the various moderation actions taken on these sites break down between Moderators and ordinary members of ...
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  • 101
12 votes
0 answers
1k views

How to "cite" MathOverflow answer?

I am writing a paper at the moment and for one proof I use an idea which I got from a MathOverflow answer (at the time I was asking idle questions but later of course found a way to use it). I of ...
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  • 939
12 votes
0 answers
145 views

Buttons (white-on-light grey) look like they are inactive

Many buttons on MO currently have white text on a light grey background, like this: (at least on my browser). The text is not very visible, and moreover this color scheme is often used for inactive/...
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12 votes
0 answers
420 views

Removal of the "symplectic" tag

There is a symplectic tag on MO that currently contains just two questions. The first question so tagged dates from March 26 2017, so this makes this tag at least 1 year and 4 months old. I believe ...
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  • 4,670
12 votes
0 answers
176 views

Why can't I edit my own deleted questions?

I recently asked a question, thought about it, decided to delete it, and I wanted to add a short note after deleting it explaining why I removed the question. It turns out, I couldn't edit the ...
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  • 35.3k
12 votes
0 answers
241 views

Tag for errata of books

Navigating MO, it is possible to view two kinds of questions regarding errors within a book. The first kind are community-wiki questions which answers are a collaborative listing of found errors in a ...
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  • 1,484
12 votes
0 answers
342 views

OpenScience Q&A just went live

Perhaps you are aware of the fact that there was an Open Science private beta at StackExchange that did not quite manage to develop enough traction so it was closed down recently. Some people want to ...
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12 votes
0 answers
516 views

2% of viewers vote?

Maybe this is not possible to quantize accurately, but might it be the case that Q. Approximately 2% of those who view a posting on MO vote +/- on the question? That's approximately true for my ...
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12 votes
0 answers
1k views

Why is my question apparently not research-level?

I just posted this question a few hours ago, and it's already had two votes to close for being off-topic (i.e., not of "research-level mathematics"). Considering it's ultimately a question about ...
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12 votes
0 answers
633 views

Is the following question on paper-writing etiquette appropriate for MO?

I'm wondering if it would be appropriate to ask a soft question on MO regarding mathematical etiquette. In more detail, I'm writing a paper that cites a well-known paper in my field, but I've been ...
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  • 3,537
12 votes
0 answers
188 views

Remove substantial tag score requirement for suggesting tag synonyms?

I have recently attempted to create the obvious tag synonym 'dg-algebras' <--- 'differential-graded-algeb'. However, my attempt was thwarted by the system's insistence that I need five total score (...
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11 votes
0 answers
195 views

Watched tags highlighting lost

On both Chrome Version 91.0.4472.77 and Safari Version 14.1.1 running on MacOS 10.15.7, I've lost the color-highlighting of front-page Top Questions in my Watched Tags list. Is this just my problem, ...
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11 votes
0 answers
380 views

Can I undelete questions deleted by the OP if I find them interesting?

I am not sure and I could not find anything about the ethical guidelines. A new user recently asked a question, which I've found interesting, as well as others, as it started some discussion, and then ...
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  • 17.1k
11 votes
0 answers
386 views

Utility of Mathematics: Is this question appropriate here, and if not/if so, how can I phrase it better?

I would like to know if this question is appropriate for Math Overflow, and if so, how I can phrase it better to get the best results. Question: I recently spoke with a very nice mathematician who ...
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  • 101
11 votes
0 answers
314 views

Role of the tag "gm.general-mathematics"

This question is about the tag gm.general-mathematics. A meta question about it already occurred here, but was less specific (and didn't generate much discussion). See also the discussion in the ...
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  • 51.2k
11 votes
0 answers
224 views

Retroactively add linked questions

Any question on MathOverflow (or other Stack Exchange site) shows the list of linked questions in the sidebar on the right. A question is added there if there is a link between the two questions ...
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11 votes
0 answers
318 views

What should the tag (open-problems) be used for?

Since this issue came up in comments to another questions on meta, I'll ask about the intended issue of the open-problems tag. Question. What is the intended usage of the open-problems tag? Should it ...
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11 votes
0 answers
540 views

Appropriateness of proposed question on applications of number theory in dynamical systems?

Update: the question has now been asked on the main site - Applications of number theory in dynamical systems I am considering asking a reference-request type question on MO about significant and/or ...
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  • 706
11 votes
0 answers
511 views

Primarily opinion-based questions/answers

One closing option is primarily opinion-based: Many good questions generate some degree of opinion based on expert experience, but answers to this question will tend to be almost entirely based on ...
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  • 51.2k
11 votes
0 answers
693 views

2018: a year in moderation

Good morning, all! I'm a Community Manager here at Stack Exchange; some of you might remember me from classic answers such as a temporary change now approaching 6 years live and a list of possibly ...
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  • 101
11 votes
0 answers
344 views

One more reason to reject an edit: too much alteration

I encountered this now, and have seen it quite frequently before: I would like to reject an edit, and the reason is something between "attempt to reply" and "clearly conflicts with author's intent". ...
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11 votes
0 answers
589 views

Learn from my mistake

The question "What is the spin connection in 9 dimensions as opposed to 5 dimensions?" received two down votes. I would like to know what I can do to improve the quality of this question. Thank you ...
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11 votes
0 answers
376 views

Area 51 Proposal: Sage and its subcomponents

I proposed a Q&A site for Sage and all its subcomponents viz. GAP, Pari, Singular, Sympy, ... on Area51 here. I thought many mathematicians here who use Sage in their research and teaching here ...
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  • 1,107
11 votes
0 answers
257 views

Quick or easy methods to post math or diagrams on chat

One of the seeming obstacles to having scheduled informal seminars on chat is the extra work, probably mostly for the leader of the discussion (should there be one), in presenting ideas on the chat ...
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  • 24.4k
11 votes
0 answers
141 views

MathJax in suggested edits

Pages like https://mathoverflow.net/review/suggested-edits/1435 display suggested edits for review. The original and edited versions are displayed in parallel columns with the differences highlighted....
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11 votes
1 answer
297 views

"2 views" hardly different that "2 kviews"

In the old version of MO, the header of a question was accompanied by a graphic information (this is an example): a huge "2" or "2k" and a tiny "views". Now we see Huge "2" and tiny "views" or "kviews"...
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10 votes
0 answers
135 views

Citation helper: can we have it automatically convert \(...\)s into \$...\$s?

Here is an example output of the citation helper in the case where the citation's title contains $\rm\LaTeX$ code (random paper found by searching for L^\infty) ...
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10 votes
0 answers
532 views

Bounty awarded to an immediately deleted answer

Something peculiar has just happened. A week ago a 300 point bounty has been added to this question (I think its content is hardly relevant to this meta question) [note: the bounty was added by a user ...
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  • 23.3k
10 votes
0 answers
304 views

What should you do if you find old duplicates?

Sometimes I discover that "old" MO questions are duplicates of even older MO questions. Two examples: Embarrassingly, I found out that my own question: Formula for number of permutations ...
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  • 18.8k
10 votes
0 answers
582 views

Question mysteriously deleted

I answered a question earlier today. It asked something like for an element $g$ of a free group, does there exist a finite-index subgroup of the free group such that g is a basis element of the ...
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  • 39.8k
10 votes
0 answers
547 views

Probability question migrated to stats.stackexchange

What has happened to the following question?: https://mathoverflow.net/posts/202242/revisions Firstly, it looks like a reasonable question to me (although the notation could be improved). Why was it ...
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