All Questions

In the off-topic part of the close menu, the radio button for "this question does not appear to be about math" is annoyingly close to the link to the help center, at least for me: Twice now I've ...

I found a really great discussion on Monomer-Dimer tatami tilings and up-voted it. However, it doesn't really have a question or answers. It's still a great read. It's not the first time I've seen ...

I just noticed that I lost 10 points of rep because "user was removed". I don't get it.

The backticks that were used to circumvent MathJax problems on MO 1.0 were removed in questions and answers. However, it appears that the comments were not affected by this fix and thus display ...

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 ...

To premise my question, understand that I have been (and intend to continue to be) active on MO, and have not yet started to learn how the rest of SE 2.0 works. The meta.MO question migration versus ...

Since the upgrade to MO2.0 there are some new flags, among others it is now possible to flag an answer as "not an answer." I believe this notifies the moderators only (as opposed to having any ...

On other stackexchange sites, when an unregistered user logs in we can enter a name and password into an Open ID page, and once that is accepted we are taken to the front page for that stackexchange ...

In the following image, depicting a piece of a comment on MO.se the words «this link» are a link to some URL, yet the styling makes it quite not apparent; the only styling I can see is a ...

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 ...

I just wanted to fix the latex of a question. It took me exacly 2 characters to change, which caused a large formula to display incorrectly. The software, however, asked me to make some further ...

A few months back someone asked about the difference between questions appropriate for mathoverflow.net and those appropriate for math.stackexchange.com. And someone answered, saying something along ...

I realise that this question has been asked in various forms already, but I still have a problem. I have an old MathOverflow account https://mathoverflow.net/users/6827/konstantin-ardakov and a ...

Probably this is known. MathJax \newcommand appears to be persistent across the whole page, including the question + all answers. This potentially might cause ...

Today I came across this question, and noticed that the link given in the first answer was broken in a funny way. The link was given as plain text, and the system automatically converted it to a ...

I would be curious to know whether, now that links to MO appear in the footer of every SE 2.0 site, and in the "hot questions" list of the Stack Exchange button, the rate of inappropriate questions ...

In my reputation history I see that I lost 75 points of reputation because of "serial upvoting reversed." What does that mean? It seems that this question was asked in passing in this discussion and ...

I have opted to be notified when my question is responded to even if not a full answer but I have received not such notification??

Every time I see this I cringe a little: For comparison, the corresponding thingie in math.se always has the numbers centered in the circle.

I know that this question has been asked and answered here: How can I log in into my old mathoverflow account? I have e-mailed the stackoverflow admins twice, but nothing has happened for 48h now. ...

LaTeX has some handy macros that allow the insertion of diacritics and other special characters in text mode. Relevant tables from the Comprehensive LaTeX Symbol List: These are handy since they don'...

Check AMS Mathematics Subject Classification, you will find the 2 digit classification "97" for mathematics education. Thus it seems that It is allowed to ask mathematics education research questions ...

About 30 hours ago, I posted an item on meta that was not here 12 hours later. What's going on?

Alright, I am going to ask this about myself, then I will go read the other one about MO not being available as a chat parent. That turned out to be Math Overflow not available as a chat parent user ...

[Disclaimer. I'm making this feature request not because I want it nor because I think it's a good idea, but because I heard it so often that there is need to discuss it. Please don't shoot the ...

(Although this is a bug report, I or Anton are likely the people who need to fix it; this post is a bug tracking item, not necessarily a plea for help :-) We previously been scraping the front page ...

I attempted to edit the question wrapping M5-branes on a Riemann surface so that it reads as follows: (begin edit) AdS/CFT gives us a way to use geometry to study field theory! I am trying to wrap ...

I've just spotted this site on the blogs. At least that's where I think I saw it first. How is this site different from math.stackexchange.com?

Whenever I google MO, I find that the link https://mathoverflow.net/ leads to a page that reads This site is down for maintenance This site is currently down for maintenance. Please check back in a ...

There appears to be some problem with people who are not members at math.SE conencting to at least one chatroom (the recently created "Homotopy Theory" chat room). That is, people with MO profiles are ...

In arrays in MathJax I needed always three backslashes to force a new-line; that was specific for MO and not so in MSE, for instance, where one needs only two. Now that we are in the stackexchange ...

It seems it's now possible to place bounties on other people's questions. I noticed a certain user placing a lot of bounties recently, including one on a question of mine which already had an accepted ...

As in the title - please, enable saving drafts of questions and drafts of answers, and returning to them on my next visit to MO. I am very slow in putting my thoughts into print. I Leave them for ...

When I tried to add this image from my computer at the main site, I first got an error that the image (after uploading) couldn't be found, and then this strange image showed up (screen snapshot): I ...

In MO 2.0 you get this message if there are “too many” comments: Please avoid extended discussions in comments. Would you like to automatically move this discussion to chat? IIRC an old meta-...

The “backslash-bug” from the old version is no longer there. You can simply write { and } to get $\{\}$. However, all the old questions and answers using \{ are now broken and look terrible: $\prod\\{...

How do you get to a list of recently closed questions longer than what you can get by going to tools/close and expanding the recently closed list there? There is fixed number which show and no way, ...

Right now, my MathOverflow user page shows 12,878 votes, but the page with people's overall vote counts shows a mere 8674. I see similar discrepancies with other people's accounts. Is there some ...

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"...

I can not seem to get enough reputation to get chat to work. I think it is that my MO and SENetwork accounts aren't properly linked. In fact, my other stack exchange accounts aren't merged with my MO ...

Looking at the list of tags https://mathoverflow.net/tags it seems that all the tags are surrounded by html <p>...</p>. This seems to be happening ...

Since I expect this may prove rather useful, I'm blatantly purloining Asaf's question from meta.math.se. Please post general requests for reopen votes as answers below. Beware that "short" ...

I started an MO homotopy theory chat room at http://chat.stackexchange.com/rooms/9418/homotopy-theory at the request of Jon Beardsley. there seem to be people in it already who know what the word "...

I'm not sure if this has been reported elsewhere. See for example Fred Kline's comment on quid's answer at https://mathoverflow.net/questions/104608/need-help-defining-placeholders-for-primes The ...

I see that some comments have been edited, but on comments I have made there is only a delete button, not an edit button. How do I edit a comment?

Previously much more questions could fit one page in the question list. Currently the font is giant and the information is much less dense.

For example, [tag:lo.logic] renders as lo.logic. It seems that the color for the top and left edges is the same as the background color for meta.

The chat doesn't seem to appear in the sidebar on the main site (although it does on Meta). ManishEarth has suggested that this might be due to the no-ads agreement. I think it would be useful to have ...

Frequently Asked Questions for MathOverflow What kind of questions can I ask here? What kind of questions should I not ask here? What about open problems? Where's the rule that says I have to wear ...

I just reviewed Status of Beal, Granville, Tijdeman-Zagier Conjecture which had a vote to re-open, and tried to select "keep closed". But then I got a pop-up asking me to confirm that I wanted to re-...