# All Questions

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### When to add post notices

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 ...
254 views

### How can I add a diagram or picture to my questions?

As it is obvious by title, I need to add a diagram to clarify my intuitions in some questions. How can I do it? Is there any limitation in format and size of the pictures?
488 views

### Local vs. Global MO in relation to “Polymath” efforts

Certain polymath-flavor questions appear on MO, and are not really appropriate for the forum. Such questions are probably posted (I can only be sure for my own such posts) because MO captures a huge "...
1k views

### Freedom of speech in scientific discussions - An invitation to more tolerance in Scientific debates

I hope this post enjoys some tolerance, and don't get closed or put on hold immediately. I believe that freedom of speech in scientific discussions is one of the key values which enriches the debates ...
1k views

### How is it off-topic to ask whether the normalization of a local complete intersection is Gorenstein?

This question (which I did not ask) is whether the normalization of a local complete intersection domain is Gorenstein. Why was this closed as "off-topic"? Especially when this one, which asks ...
1k views

### Deleting others' work

Recently a question was posted on MathOverflow, which received (I think) more than an average number of upvotes. There was an answer to the question, by someone other than the OP. Next day, the ...
2k views

### Catering to professional appearance a bit much?

[In case of hurry, please scroll down to the suggestions at the very end.] The deletion of the Math Jokes thread (mirrors: html or pdf), most likely provoked by the meta.MO debate about some specific ...
2k views

### Jean-Christophe Yoccoz

I've heard today that Jean-Christophe Yoccoz passed two days ago: http://www.liberation.fr/direct/element/le-mathematicien-francais-jean-christophe-yoccoz-medaille-fields-est-mort_46692/ I think ...
1k views

### MathOverflow at the Joint Mathematics Meetings, Baltimore, January 2014

The 2014 Joint Mathematics Meetings will be held January 15-18, 2014 in Baltimore, with hundreds thousands of mathematicians attending. It happens that I plan to attend, and since I'd enjoy going to ...
1k views

### Drastic locking of the question “Examples of common false beliefs in mathematics”

The question Examples of common false beliefs in mathematics, was one of the best and most successful questions in the history of MO. When we discussed closing it, it was argued that after 164 answers ...
1k views

A majority of the changes are not be visible; these tweaks go along with recent updates that were made to Stack Overflow: We have updated the site's CSS to a newly refactored LESS system, so that it'...
1k views

I have a question I am curious about: call it $Q$. There exists a posted question $P$ on MO which asks my question $Q$. More precisely, $P$ states a series of (slightly vague) questions, one of ...
1k views

### MO policy regarding pseudonyms that are other people's real name

I have noticed just now that a user has chosen as pseudonym "Alexander Grothendieck", which I'm a bit unconfortable with (the probability that it is also that user's name is extremely low, hence my ...
1k views

### One person creating multiple Riemann Hypothesis-related accounts

I have been flagging these posts individually, but I thought maybe a meta question would be a good follow-up, in case the moderators are not aware of the behaviour. As @YemonChoi points out, the ...
2k views

### How should we react to the existence of Math Educators SE?

As was previously announced at meta, there is now an SE site for mathematics education (MESE). My broad questions is this: Should we react to this somehow? (More specific questions are below.) Does ...
2k views

### Can MO go back to +5 rep for questions? Should it?

In case you missed the news, upvotes on questions now grant +10 reputation instead of +5, and the change has been implemented retroactively (most if not all users have already had their reputation ...
215 views

I just posted a question and I noticed that unvisited links use a color that is difficult to distinguish ... but visited links are even harder to recognize. See the snapshot below from my Firefox 41....
624 views

### Why are we now getting 'hot network questions'?

I notice that we are now getting a bar listing hot questions from across the SE network. I thought we'd settled for no cross-site advertising in MO2.0.
901 views

### Is my question suitable for MO?

Around a month ago I asked a question on ME here. It was well received (got seven up votes). Sadly nobody was able to help much. To get more attention I also placed a bounty on it. Still no luck. The ...
431 views

### Voting on meta questions to indicate agreement or disagreement

We've previously discussed the meaning of a downvote on meta, and I think that's worth reading before discussing anything further here. I don't at all like that perfectly reasonable questions (...
635 views

### Should I give a link to my recent published paper to an old question of mine on MO?

4 years and 6 months ago I asked on MO: "Who introduced the terms “equivalence relation” and “equivalence class”?" It was somehow a resting stone of a long journey that started 13 years ago from today ...
1k views

### On the recent question “Is Euclid dead?”, or: Is it considered good practice to use MathOverflow for a campaign?

Yesterday, a question entitled Is Euclid dead? has been asked in which the OP states: "Currently I am leading a campaign for the return of EG to the syllabus of the high schools of my country (...
191 views

### Make edit history more accessible

Once a post has been edited once, there is a direct link to the revision history of the post that is visible to everyone as in this example: However, when a post has not been edited, this link is not ...
776 views

### Were there some recent changes to the moderators' team?

I have noticed that Mariano Suárez-Alvarez is no longer listed among the moderators and his profile page no longer shows diamond by his name. (I am pretty sure I remember that he was one of the ...
599 views

### Math Educators Stackexchange is live!

The new site http://matheducators.stackexchange.com is now up and running! This site is for questions about course-design, exam-writing, teaching methods, intuition and examples, etc. Check out our ...
612 views

### Removing greetings and taglines

The Stack Exchange Network frowns on greetings and taglines in posts. There were mixed reactions to this before we moved to the network. Should MathOverflow tolerate greetings or not? Is it ...
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 ...
2k views

### Should Kevin Buzzard's Lean question be left in its original state?

Kevin Buzzard asked this question, which incorporated a long section of background discussion. Federico Poloni removed that section. Yemon Choi commented that he thought the question was OK before ...
847 views

### Scope and mission of MathOverflow

I followed with much interest the recent discussions on Meta about the community being perceived as unwelcoming to outsiders and the importance of looking for solutions (if any). In order to do this, ...
566 views

### Should moderators in some cases remove a question from the network-wide hot questions list?

Not too long ago - in March 2019 - some changes have been made to the Hot Network Questions (HNQ). Some of the new features are the limit on the number of hot questions from a single site, or limit on ...
430 views

Traditionally, MathOverflow moderators only delete comments that are highly problematic. Even in that case, we copied the entire deleted comment thread to tea.mathoverflow.net. Since migrating to the ...
650 views

### Geographic distribution of people on MathOverflow

Is there a way to answer questions like the following, either by means of the StackExchange Date Explorer or by other means?: How many of the regular MathOverflow users (say, e.g., those who ...
472 views

### Altering the question in a way that makes an answer obsolete

I've seen that several times: an answer makes OP want to change the question in a way that would damage the answer. Obviously this should not be done. In fact I think it is better to delete the ...
1k views

### Why adding a comment requires 50 reputation points?

When a new member tries to write a comment he sees “add comment (requires 50 reputation)” but of course he has no so many points. On the other hand, answering does not require any reputation. Then the ...
2k views

### What do we mean by welcoming when we're a site aimed at researchers?

I was just browsing the main page this morning, and I decided to look at some of the posts by new people. One of the questions had garnered three votes to close and a comment from a regular user to ...
555 views

### Getting Experts Opinions on Mathematical Results

I would like to know, whether it is in the line of MO rules to present a result and ask for "opinions" like whether it is already known or worth pursuing and, who might be interested in the result. ...
171 views

### Icon for citation helper

On the main MathOverflow site (and also on math.stackexchange) the icon for the citation helper, which used to look as below, has recently confusingly changed to a "B", identical to the icon at the ...
498 views

### List of close reasons has changed?

I just wanted to vote to close a question, and it looks like the list of options has changed The options are now: Duplicate of... Off-topic because... Needs details or clarify Needs more focus ...
353 views

### Flagging Low Quality Questions

For questions of extremely low quality that are sure to get closed anyway, do the moderators still want flags? Or is that just cluttering up their mailboxes to no purpose?
404 views

### What's the purpose of the favorite button?

I'm trying to understand how the favorite button is meant to be used. I frequently see poorly written questions marked as "favorite". It seems the OP can make this designation. I was unable to find ...
189 views

### Enable saving draft questions and answers

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 ...
331 views

### Tag referring to a book/ specific collection of problems

The scottish-book has been created today by one user, posting various questions from the given book, or adding references and retagging existing a few questions when they appear in the given book. ...
236 views

### Where has the @ gone ?

I started my comment on Marty Isaacs' answer with "@Marty Isaacs". But after saving the comment, the @... disappeared. What's the reason for this behavoir of the system ?
517 views

### What are mirrors of mathoverflow?

I am looking for mirrors of mathoverflow. Searching for questions so far found: http://lfhck.com/site/mathoverflow/1 http://mathdiscussions.aircraftdata.net/ http://hwnvoc.youdegreeearn.com/...
226 views

### Are bounty reputation points assigned to unanswered question returned back?

Are bounty reputation points, being assigned to unanswered question, returned back to the issuer of the bounty? If "yes" - when? If not - why? Alternatively (instead of direct "refunding") in the case,...
222 views

### Should MathOverflow request suggested tags feature?

There is a feature of showing suggested tags after the body of a question is included. These suggestions are based on the body of the question. More details can be found in these posts: Automatically ...
136 views

### How to follow a question?

Basically, is it possible to follow a question by another user? Meaning whenever there are new answers or comments on it, I get a notification in my inbox, the same way the original poster of the ...
106 views

### Keyword Search of the User's own (my own) questions or answers

Is there a (good) way to "search" the keyword of the User's own (my own) previously asked questions or given answers in one's own profile? If so, how? Please illuminate. p.s. I asked that ...
As has been discussed in this meta post, there is a third party search (with $\LaTeX{}$ support) engine for Mathematics Stack Exchange. I was wondering whether there is search engine with similar ...