All Questions

1,578 questions
Filter by
Sorted by
Tagged with
11k views

Requests for reopen and undelete votes for on-hold, closed, and deleted questions

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" ...
8k views

Homotopy chat room

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 "...
249 views

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 ...
186 views

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?
96 views

Too large font in the question names

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

Problem with links to tags on meta

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.
131 views

Chat does not appear in the sidebar

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 ...
2k views

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 ...
73 views

possible bug in reviewing reopen votes?

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-...
391 views

A gap in the “notification” system

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" ...
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 ...
2k views

Help improve tagging!

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!
633 views

Minor edits, subject to review

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 ...
249 views

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 ...
134 views

So, what will happen with Community Wiki by owner?

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 ...
381 views

Custom 'off-topic' reasons to close

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....
325 views

Mysterious one point rep increase

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 ...
363 views

Will there be an update fixing the rendering?

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 ...
269 views

Some users have lost their username

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://...
2k views

What's our consensus on people resurrecting old questions just to edit formatting?

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....
2k views

Algebraic geometry [closed]

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, ...
230 views

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

Does review feature encourage closing and flagging errors?

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 ...
691 views

The 6 semi-essential meta questions of every SE 2.0 upgrade

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 ...
144 views

Is there a single page listing privileges & their reputation requirements?

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 ...
203 views

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 (...
209 views

Flagging as Low Quality should add the post to the review queue

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 ...
101 views

A trivia question: reputation dip [duplicate]

Why did my reputation decrease by 300+ points right after the system up-grading?
716 views

What outgoing migration paths should we have?

Now that we can migrate off topic questions, what sort of migration paths should be useful to have? I think that adding at least Cross Validated, if not one or two of the other science sites, would ...
199 views

Is there any way to get back the option to sort answers in newest to oldest order?
623 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 ...
650 views

Proposal to more aggressively delete off-topic questions

We are going to get many more off-topic questions now. Can we agree to vote to delete on them so as not to pollute the site? It takes a few votes from users who can vote on such things and/or one ...
736 views

Public dumps for mathoverflow?

As far as I remember, there was supposed to be a public dump of the MO database just before the migration: http://dumps.mathoverflow.net/ . Not an urgency by any measure, but something that would be ...
875 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 ...
488 views

In case Chat turns out to be useful

Below, a question and answer on the only current MO chat, from two people who have been regulars on MSE chat, the second a moderator somewhere. My concern, for now, is that I see several MSE regulars ...
162 views

On StackExchange.com MO is still Uncategorized

Obviously MO is listed at All Sites/All, but instead of also being at All Sites/Science, like M.SE, it's in All Sites/Uncategorized. (I noticed it back when the age was wrong, but it hasn't been ...
891 views

On the current color scheme, and why it sucks

Being color blinded is not very easy. You end up wearing black shirts and blue jeans, because it's easier. When you look at a computer monitor sometimes the red and green mix together, all sort of ...
143 views

Moderation tools

The link to moderation tools seems to be missing for me. As Scott Morrison kindly explained in https://meta.mathoverflow.net/a/20/12705, it is supposed to be here in the toolbar: The tools as such ...
302 views

A chat -theme for the MathOverflow chat

The MathOverflow chat needs a chat-theme (in my opinion), because the current one doesn't look very beautiful. It should fit with the design of the main. Does someone have a design in mind, or wants ...
123 views

Weird display of results from search

The results from this search don't seem to display properly. I'm assuming that it is not restricted to this search alone. Added later: I have included a screenshot below. What I'm referring to is the ...
121 views

Editing of the help center and about

Try to add some meat to the on topic page. Also, in the about page, you can edit the site target audience, the example question, and the bullet points that define what to ask about/what not to ask ...
335 views

Age of Mathoverlow

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

A serif font for MathOverflow?

Wouldn't it be nicer to have a serif font on MathOverflow? As is done, say, on MSE. It seems to be much more readable, like a printed text. And I'd say making answers looking more like notes or even ...
274 views

What happens when a question is migrated to MSE?

When a question is closed as off topic and migrated, will it no longer appear in MO, or will it appear in MO with a note saying it has been migrated? Similarly, in MSE, will it say "migrated from MO" ...
140 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....
172 views

Math Overflow not available as a chat parent user

I was configuring the Teacher's Lounge ping for MO when I realized that currently, the option to change chat parent user to MO is not available. Could this be added? Also, superpings don't seem to ...
236 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, ...
521 views

One of the best things on the old MO page was the "How to Ask" link on the top. It is true that SE took the hint and added something like that to the previous FAQ (which is now retired), but the MO ...