# All Questions

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438 views

### What has happened to this site?

The whole front page (of this site, meta) is old questions modified 3 hours ago by Community. What's going on here?
533 views

### Close cross posts between here and MSE

If a question is cross-posted here and on the Math Stack Exchange, what's the policy to deal with these? For example take this question and its MSE twin. Should one of them be closed? If so, which ...
935 views

### 2013 Community Moderator Election

As the Math Overflow community grows, so does the load on our moderator team. The existing staff is doing an excellent job, and in order to keep up the good work, they've requested a few more sets of ...
334 views

### Age of Mathoverlow

As was pointed out here, Mathoverflow is listed as being 2012 years old here.
358 views

### On convexity tags

The tags on convexity are convex-geometry ($\times$560), convex-analysis ($\times$ 266), convexity ($\times$ 420). Here the number is the current (2019/02/23) number of uses and I ignore some more ...
222 views

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 ...
411 views

### Undelete request

This is motivated by this question, see also the comments, and Will Jagy's answer. I was asked to start a formal request, so here it is. A user that has expressed no desire to participate anymore on ...
486 views

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 ...
512 views

### Are edits performed by external, non-SE robots allowed?

During my reviewing of Suggested Edits, I have encountered several of them attempted by user @Glorfindel. Upon closer examination, all were performed by a robot written by him and all consisted of ...
217 views

### Time cutoff for changing vote

The stackexchange software currently imposes a cutoff on changing votes, i.e. a vote cannot be changed after a certain time has elapsed. I can understand the rationale behind having such a policy as ...
336 views

### Merge complex-analysis and cv.complex-variables?

We have distinct tags complex-analysis and cv.complex-variables, of which the latter is the arXiv standard name. They seem to mean the same thing. Should they be merged?
826 views

### Moving back my question to MO

References on Gerbes question is migrated from MO to meta. It was never about MO. I was only giving information about search I have done. None of the comments except one has objection with this. None ...
541 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 ...
478 views

### Should there be a “statute of limitations” for closable questions?

Ever more frequently I find in the "close votes" review queue questions which are a few years old. Many of them already have accepted answers, and one can see that they were well received at the time ...
235 views

### Citation feature

Is it possible to re-enable the "cite" feature from MO (and later MSE)? (I'd like to remind the users, in the case this is going to be enabled, that the feature now hides within the "share" button, ...
292 views

### The data explorer on MO

I don't seem to be able to use http://data.stackexchange.com/ on MathOverflow. Will this change?
284 views

### Why isn't “no longer relevant” an option for closing?

I would like to be able to close questions as "no longer relevant" if they have been answered in the comments (such questions generally are near the border, but on the MO side, of appropriate for MO). ...
175 views

### Should I be able to notify multiple people with the same comment?

One of the many things I was excited about in our move from MO 1.0 to 2.0 was the chance to leave responses to previous comments that automatically notify those people. Occasionally, a conversation ...
838 views

### Why are trivial answers upvoted more than answers that actually contain substance?

I have noticed that a two line answer that anyone can come up with usually has more upvotes than an answer that is more difficult to come up with. Is this trend simply a result of pure laziness as ...
458 views

### Can a person other than the author start a bounty for a question they like?

Suppose Jack is new to MO and he posts a good question. Tim has a lot of reputations in MO and thinks the question deserves more attentions. Why not we allow Tim to offer some of his reputations to ...
576 views

### What makes you vote to reopen a question?

This is the dual form of a question posted by quid: What makes you vote to close a question? As the entire description in that question is applicable here I avoid adding extra points about why this ...
297 views

### What to do with the synonyms for the deprecated tags?

Recently, the following tag synonyms were created by a MathOveflow moderator: abstract-algebra $\to$ ra.rings-and-algebras, geometry $\to$ mg.metric-geometry and discrete-mathematics $\to$ co....
1k views

### How to include diagrams in MO?

I have seen many questions and answers with nice diagrams but I do not know how to make them. Any answer involving MathJax and/or uploaded pictures is welcomed.
233 views

### Don't HTML encode quotes when creating suggested BIBTEX entries

If you click the share link underneath a question (on the main site, but not here), you'll then see a cite link, which will ...
635 views

A user X answered my (some one else's) question in a compact way (less than $10$ lines). Upon discussion, user X has explained somethings in comment which made answer clearer. Is it considered to ...
1k views

### Is it good practice to write “@someone” in a question?

On SE and on the old MO have seen @someone in a question. Probably this notifies someone in his inbox and draws his attention (which is the goal). Does it really ...
124 views

### Automatically fix outstanding mathjax issue involving backticks

After the transition to the stack exchange network, I have occasionally noticed posts being edited to replace occurrences of the following code (note the backticks): ...
727 views

### Between math stack exchange and mathoverflow

Suppose that I posted a question on mathstack exchange and no one has answered it. In my opinion it is not enough reason to post it on mathoverflow but if I also awarded a bounty and still didn't get ...
832 views

### Why was “Is it meaningful to work on convergencies, integration, etc. on the Zariski topology?” closed?

This post is about the question Is it meaningful to work on convergencies, integration, etc. on the Zariski topology? It is an interesting, relevant question which attracted two excellent answers. The ...
564 views

### How did I lose all my reputation points?

At the beginning of the summer I had around 1,172 reputation points. I didn't log on for a few months. Then, I saw that the site looked a little different and I looked at my profile and saw that I ...
517 views

### latex.mathoverflow.net/png images broken

Prior to MathJax and jsmath, MathOverflow used http://latex.mathoverflow.net/png to generate images of mathematical equations to insert in posts (e.g. this one). That didn't last very long but all of ...
443 views

### Currently, is it possible to have relevant question under the latex tag

A question using the latex tag was recently posted, which received a number of down votes and comments which directed to post on tex.stackexchange.com. MO predates tex.stackexchange.com and so at ...
1k views

### How to discourage excessive self-edits?

My question is prompted by the reappearance of this post on the front page. A glance at the edit history shows that the OP has edited his own question thirteen times. This user has a history of ...
148 views

### Appropriate procedure for removing little used tags which are too specific

What is the correct procedure for removing tags which only have a single question, and would be better off with a less specific tag? My example is a question which was tagged 'relative-entropy'. ...
403 views

### Did ArXiv trackbacks for MathOverflow stop working again since September 29th 2016?

Did ArXiv trackbacks stop working for MathOverflow, or does the ArXiv server generally suffer from some issues, maybe related to the planned/ongoing modernization of the service? From looking at the ...
147 views

### How should I use the meta-tags [feature-request], [bug], [support], and [discussion]?

On meta, each post must be classified into one of four classes. Which should I use? Note that in addition to these four classes there are numerous other tags on meta that can and should be used in ...
276 views

### Spelling conventions

After the recent discussion on LaTeX style accents, I have been reminded of this old discussion at tea regarding the appropriate spelling convention for some German names, such as Kähler. At the time, ...
232 views

### Should posts sitting in the “First posts of new users” review queue be hidden from view until they have been approved?

Presently, questions from new users are shown and can be answered immediately, although they also go into a dedicated review queue (https://mathoverflow.net/review/first-posts). Since a significant ...
600 views

### Who owns the content of MO, and why migrating a question is legal?

There is a long list of comments in Migrating a question which is already posted on the other site, and an important question is deep in that list, so I repost it here. Where in the legal agreement, ...
268 views

### Alignment of tabs on profile page in MathOverflow

This morning, on several machines, with Windows 8.1, XP, and CentOS, and with Chrome and Firefox, on MathOverflow, the profile page shows:
418 views

### Viewed 67597 Times

Something strange here: Perfectly centered break of a perfectly aligned pool ball rack
165 views

### Changing mind about upvoting a comment

If I change my mind about upvoting a comment, is there any way to cancel my upvote there?
290 views

### Nominate bountied question for closure

Bountied questions cannot be closed: this prompted this meta-MO question. In the answer to that question, the reasons for this feature are explained (closure would shorten the bounty period, possibly ...
493 views

### Appropriateness of intuition pump question

Before I begin, please note that I am not troubled by the votes to close of my question here, but I'm somewhat puzzled about them. The purpose of this meta thread is for someone to explain why the ...
369 views

### Should meta be Q&A?

Should the meta-MathOverflow have the Q&A format? I don't see any rationale for this. After all, meta is just an auxiliary sub-forum which should help running the main forum. Collecting the ...
270 views

### Should I edit this question or make a new question?

Should the Grothendieck ring of varieties be K_0 of numerical motives? I want to change it to: 1) Asking about after tensoring with $\Qb$ 2) Asking if there is a map in some direction and if ...
1k views

### Swinnerton-Dyer passed away?

His wiki article has been updated to say that he passed away recently. Are there any other sources confirming that? Thanks. If it is more appropriate for another stackexchange site, please feel free ...
865 views

### Would it be appropriate to ask why a new user chose MO over MSE?

With the move to Stack Exchange 2.0, some people feel that there will be (have been?) many more first time users asking questions on MO which should instead be asked on MSE. Presumably, such a user ...