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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-...

Suppose one votes to close a question in "main", and the poster asks in "meta" why it was closed. Apparently the existence of that discussion in meta is not included among the "notifications" ...

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 ...

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!

Now that MathOverflow has moved to 2.0, there is a potential solution to the long-standing tension between people wanting to make minor improvements to old posts, and others not wanting the 'active ...

Mods have a new option to add post notices. There are three basic notices currently available but MO specific notices could be added: citation needed - This post does not cite any references or ...

I have seen several discussions on this subject but I don't retrieve them. Will it, when the dust settles down, be possible on MO2.0 for someone asking a question, or posting an answer, to make it ...

Splitting off the first item from the main 6. Currently, the 'off-topic' reasons are: This question does not appear to be about research level mathematics, within the scope defined in the help center....

Yesterday my reputation total increased by 1 point. As far as I know there is (was) no action which would trigger 1 point increase (downvoting gives $-1$, accepting an answer gives $+2$, etc.) I am ...

As has been reported in two previous questions on meta (here and here), the mathoverflow update generated a few problems with the rendering related to mathjax. Initially there was a problem with ...

It seems several users have had their name changed after the migration to something default of the form "userNNNN": see for instance https://mathoverflow.net/users/1784/user1784 (VA) https://...

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....

Who did not graph such equations as $y^2-x^2=1$ in secondary schoool? THEREFORE: Algebraic geometry (since it is only about zero-sets of polynomials in several variables) is high-school-level stuff, ...

The answer of François G. Dorais at https://mathoverflow.net/a/23200/12357 has no user name displayed. Is this a bug?

The new review feature is interesting, and I have experimented with it. I have a number of concerns- I wonder whether my concerns are shared, and whether there is anything that can be done to address ...

In the spirit of The 7 Essential Meta Questions of Every Beta I realized that there were a few things that needed to be decided by a large site that has suddenly gone SE 2.0. Initially I planned to ...

On the old MathOverflow, there was a single page (the FAQ) which listed all the privileges and their reputation requirements, in increasing order. This has been replaced by the Privileges page, which ...

The following question has 5 votes to close, but it is not closed : Preparing for Set Theory Research What is going on here? I'm not trying to start a discussion of the merits of this question (...

In How to handle crankery on MathOverflow 2.0? Andy Putman pointed out that he flagged a post as low quality, but it never reached the low quality review queue. I feel that in order to effectively ...