# All Questions

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### Is there an association bonus for this site?

I used to have a 1 rep MO account. After the SE2.0 merger, I logged in, and while the accounts are showing up associated, I have not received the association bonus. My MO profile is still the same, ...
481 views

I wonder if there should not be a MathOverflow Twitter presence, somehow generated automatically, perhaps from the few HotNet Questions to which MO questions ascend to that list? There could be some ...
429 views

### Triangle commutative diagram does not work here at MO

I frequently tried to draw a triangle commutative diagram similar to the definition of projective modules for this question. A module associated to an endomorphism of a vector bundle so I ...
529 views

### Creating tag “small-uncountable-cardinals”

Looking through meta-MO I have found a proposal of Martin Sleziak to create a new "small-uncountable-cardinals", which I liked since many of my (and not only my) questions fall under this tag. So, I ...
163 views

### Migration site list lacks entries

The question What is the integral of temperature over space called? obviously belongs elsewhere. Most probably the proper place is physics.SE, but in any case not here on meta, not on math.SE, and not ...
196 views

### Button for cross posts to/from Math SE

People explained me that it is possible to ask same questions in Math SE and MO, and I did this from time to time. I think it's very important to have this possibility, because often you haven't ...
2k views

### Why have I been suspended from the ICM chat? General remarks about unwelcoming behaviour on MathOverflow

Although the below obfuscates the context which is undoubtedly relevant to what has happened, the following comments appeared to be reason enough for the moderators to ban me from the ICM chat. ...
236 views

I have domain name mathoverflow.in, and I want to develop a free website or Q2A discussion forum using https://www.question2answer.org/ free open source platform. I'...
967 views

### Don't we have a redundant math site?

We have mathoverflow.com with 144000 questions and answers, and we have math.stackexchange.com with 522000 questions and answers. Isn't there a redundancy? Shouldn't both sites be merged? I propose a ...
1k views

### Disappearing “Hi!”

Just curious ... A brand new member posted a question this afternoon, and I posted an answer. I know him quite well, and he was here in Bristol to give a seminar two days ago, and without giving it ...
910 views

### 2013 Election Results

The election process is over, and now it is time to declare the winners: Good luck in the new position, I'm sure that you'll prove to be a great addition to the community and its moderators! On ...
401 views

### Text on some buttons has become unrecognizable

Very recently (I think today) the buttons with "Post your answer", "Answer your question" and some others became black, with the text hardly readable. With me it happens on Windows 10 with latest ...
672 views

### When asking a question on MO it seems there's far too little information on what MO is about

When we switched from the old format to the MSE 2.0 format, almost all the information about what MO is about, and what is expected from a good question was been stripped from the site. I mean, one ...
534 views

### Which Latex / MathJax features do we need or want to have supported on the site?

As we've started discussing, Stack Exchange is planning to redo the editor for all questions and answers across all their sites. As articulated by Emilio Pisanty, these changes will have significant ...
798 views

### Why is the update so awesome?

I mean, we really don't deserve it. It's awesome. Good work everyone, high-fives all around. Cheers (for those of you from across the pond, so-to-speak).
770 views

### Request from PRIMES to keep an eye out for their problems

On m.SE last year there was a problem with someone cheating on the entrance problem set for the PRIMES high school research program at MIT. Selection for PRIMES for this year has begun, and they're ...
1k views

### Encouraging new users to provide a name or a nickname

After the transition to MO 2.0, I noticed an increased influx of anonymous users, with user names like user####. Of course, people can have all kinds of reasons to ...
946 views

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

Some recent exchanges and observations suggest to me that users not only have different thresholds for voting to close a question yet still applying the same criteria, but that they even apply so ...
684 views

### Should “The probability for a streak when tossing a coin” be reopened?

The question "The probability for a streak when tossing a coin" is on hold. [Edit: It has been reopened.] I disagree with closing the question and voted to reopen. This problem may sound like it is ...
842 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....
387 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 ...
919 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 ...
760 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. ...
411 views

### Noncommutative rings/algebra tags

I'm suggesting to make noncommutative-rings a synonym to noncommutative-algebra, in the same way as commutative-rings has been made to ac.commutative-algebra. Initially asked there, I'm asking it ...
869 views

### Can we make the cite link bigger?

The cite link in the share box is minuscule: Since this is a very important feature for MO, it should have much more visibility. [Related: https://meta.mathoverflow.net/questions/112, Citation ...
794 views

### Proposal for Mathematics Learning, Studying, and Education

In view of https://math.meta.stackexchange.com/questions/12470/forum-for-chatty-math-education-questions, I thought to create this proposal. I'd appreciate your support and contributions. Please allow ...
541 views

### Is there a problem with answers clarified in comments, but the clarification not reflected in the answer itself?

Occasionally I am re-reading my answers in case I've overlooked something or left some misguiding misprint or something. What I noticed is that there are a couple of them where I was not entirely ...
718 views

### What to do with links to arXiv front end?

There are quite a few posts which link to some paper at http://front.math.ucdavis.edu/ rather than directly at https://arxiv.org/ The front for arXiv at UC Davis seems to be down for some time. (I ...
461 views

### Site statistics: Effectivity of the advice to edit a question which is closed as “unclear what you're asking”

When a question is closed as "unclear what you're asking", it gets attached the following message: Please clarify your specific problem or add additional details to highlight exactly what you ...
449 views

### Closing as duplicate

Many things changed when MathOverflow joined the Stack Exchange Network a year ago. While most changes were quickly absorbed a few are more subtle and might have been missed by some. In particular, ...
654 views

### a spate of deletions by “Community”

18 minutes ago (at time of writing) a whole swathe of questions appear to have been deleted, some of which seemed not to be obviously sub-par or off-topic, and some of which had a net rep scoire of 0 (...
634 views

### Why does mathoverflow constantly compile the latex for my questions and answers?

Whenever I ask or answer questions on mathoverflow, the output is constantly being compiled. While this is sometimes a desirable feature, it turns out that at least for my computer, when I am giving a ...
651 views

### “Questions” of the type “I have written something, please give me feedback”

I have now today seen several questions (this and this) which asks for feedback on research articles, rather than stating explictit questions. There is of course a gray zone, but I wonder a bit what ...
363 views

### change in voting to close

I noticed today that the pop-up screens for voting to close a question have acquired a new layer. Clicking "close" used to produce a pop-up with checkboxes indicating various reasons for closing. Now ...
534 views

Being a European, I doubtless do not fully understand the associations of the Tumbleweed badge that I have just received. Is there a MO consensus about the appropriate reaction?
560 views

### Would disallowing displayed equations (“double dollars”) in titles be useful?

If a poster includes in the title some formula in enclosed between $$, like$$x^2+y^2=z^2x^2+y^2=z^2 the title of the ...
481 views

### Interpretation of Time-limit for Editing Comments

Yesterday I had written a comment and, after 4 minutes began editing it. After having finished my editing, I tried to save the comment and was prompted with the message, that editing is only possible ...
876 views

### Is it OK to abuse Mathjax for emphasis?

The author of this question uses Mathjax (in a way different from its intended usage) to make parts of his question stand out more; for instance, to display some headers in red or to alter the spacing ...
621 views

### Hiding reputation

In MathOverflow 1.0 we had the ability to hide other users' reputations. Can we get that again? (Also, I had to rewrite this question several times to get past an annoying box that said my question ...
516 views

### What to do if you want up-to-date answers to an old question on technology

One issue with the site lasting as long as it has is that technology has changed quite a bit since its early days, and so discussions of technology are extremely out of date. In particular, when ...
430 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 ...
269 views

### migration versus on-hold

Several questions have been migrated to m.se of late, and several others have been put "on hold" as off-topic, and I'm having trouble seeing how the distinction is made between the two courses of ...
198 views

Is there any way to get back the option to sort answers in newest to oldest order?
3k views

### 2013 Moderator Nominations [closed]

The purpose of this thread was to allow users to nominate others. The nomination period is now over and the thread is closed. The list of candidates can be found on the election page. Since the Stack ...
225 views

### Long MathJax in comment breaks linewrapping throughout the comment thread [duplicate]

A picture is worth a thousand words; here is what I am talking about, from the comments on this post. By posting a very long formula into MathJax, not only have I caused my own comment to run off the ...
504 views

### Are the colors wrong?

I know that my eyes are not the best when it comes to color vision. But all the colors look wrong. Is it just me, is it the Nexus 4 that I'm using, or did someone do something?
873 views

### Reappearance of (topology) tag

I have noticed that topology tag was created again. According to list of new tags it was created Jun 9 at 7:55. There are currently 3 questions having this tag. I was not able to find a discussion on ...
488 views

### Number of questions posed per day

Right now the sites statistics page shows that MathOverflow is seeing an average of 38 questions per day. Is there a plot of this average over time somewhere? My perception is that it has been ...