Questions tagged [support]

You need help with the use of one or more of the site's features.

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About if questions in Research papers can be asked on MathOverflow

I am new to MathOverflow. I am a master of mathematics student. I wanted to ask if questions in research papers ( regarding what I am not able to understand in the paper ) can be asked on ...
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  • 542
10 votes
2 answers
504 views

the number of on line users at a given moment

Is there a way to realize that, at a given moment, how many users are (MO) on line? Thank you
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10 votes
4 answers
252 views

Is it possible to see the source for a comment?

Although this question seems to be new to M.MO, @MartinSleziak points out several related posts on Meta.MSE. I was curious about the diagrammatic magic of @YaakovBaruch's recent comment, and so ...
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  • 8,059
10 votes
3 answers
596 views

How to logout from the site?

There is no visible (to me) button for logging out. How to do so? This is an attempt to comply with François Dorais' request.
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  • 11.5k
10 votes
2 answers
296 views

The data explorer on MO

I don't seem to be able to use http://data.stackexchange.com/ on MathOverflow. Will this change?
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10 votes
2 answers
364 views

Reading the titles of MathOverflow recent questions by NNTP

The site http://read.gwene.org/ converts rss feeds to nntp. So one can read rss feeds as a public Usenet news group. The conversion is already available for MathOverflow, see http://read.gwene.org/...
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  • 2,016
10 votes
1 answer
333 views

How to report intrisically spammy user accounts?

Sometimes, I notice that some very odd username is listed on Home as having earned the "Autobiographer" badge, where by "odd" I mean something very much non-mathematical and ...
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  • 2,499
10 votes
0 answers
184 views

Wrong message for closing questions as off-topic

I was just reviewing the queue for closing votes, and I noticed that the message displayed in the options for closing as off-topic was: off-topic because... This question does not appear to be ...
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9 votes
5 answers
272 views

Is it possible to temporarily comment out part of a post?

Scenario (true story): after posting something I became doubtful about certain claim there, so I want to hide it until I clarify my doubts. Of course I could just move that part to a temporary file, ...
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9 votes
1 answer
428 views

A message from stack exchange concerning support for OpenID

I received the following message but I am not sure that it is a real message or is spam. Is it it really a message from SE sent to all participants? "Stack Overflow and Stack Exchange are ...
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9 votes
1 answer
269 views

Downloading one's questions/answers

Silly question... how can I download the questions/answers I've participated in on mathoverflow, as listed on my homepage, onto my computer? I'm leaving in the near future to where there is no ...
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9 votes
2 answers
3k views

How does one type mathematical formulas on this site?

I can see that the posts on this site contain nicely displayed mathematical formulas. How can I get such formulas in my posts? What syntax is used to typeset them? Note: This is an attempt to make at ...
9 votes
1 answer
1k views

Can I somewhere see my own deleted questions?

Don't worry, I won't try to sneakily repost them or otherwise bother anyone else besides me with them. I just felt like it would be nice to see what sort of questions I was thinking about a couple of ...
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9 votes
1 answer
457 views

Is it possible to know the list of removed users?

Today morning I learned that I have +4 reputation with notification "User was removed". I calculated that probably this removed user posted me two downvotes. Simultaneously my (not very ...
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9 votes
1 answer
1k views

How to include diagrams in MO?

I have seen many questions and answers with nice diagrams but I do not know how to make them. Any answer involving MathJax and/or uploaded pictures is welcomed.
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9 votes
1 answer
374 views

What does "serial upvoting reversed" mean?

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 ...
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  • 66.2k
9 votes
1 answer
481 views

Uncomfortable variability of MO reputation

Some of my reputation data on MathOverflow got changed in a past couple of days back and forth twice. In particular, my reputation went up 200 points, then back to the previous state, then up by 160 ...
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9 votes
1 answer
213 views

Why the sudden backlog of late answers needing review?

Title says it all but I need to add at least 30 characters.
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9 votes
1 answer
190 views

Should the election already start now?

It seems to me the actual election already started. I find this quite surprsing as (at least) some official Q&A was planned and I assumed this (obviously?) will happen before not during the ...
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9 votes
1 answer
513 views

Is there an option to know when somebody (especially author of the post) does something after my comment?

Yes I do realize that the comments are primarily meant to introduce improvements in the post being commented on. And also that if any subsequent commenters want my feedback, they will @ me explicitly. ...
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9 votes
1 answer
256 views

Editing old question, can't submit as title is too long

I'm editing Is there a canonical map from the cohomology of orbifold Chiral de Rham on an orbifold to the cohomology of Chiral de Rham on a crepant resolution? as there was a broken arXiv Front link (...
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9 votes
0 answers
519 views

Rationale for reputation change on "my" reputation page that says 'User was removed'

At MathOverflow > Help center > Reputation & Moderation I see the following: [...] a user who voted for one of your posts had their account deleted (either by request or due to violating ...
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9 votes
0 answers
281 views

Mathjax CDN is shutting down effective April 30th 2017

If you haven't seen the official announcement yet, Mathjax is shutting down their CDN effective April 30th 2017. We are currently looking for alternatives for hosting this service including self ...
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9 votes
0 answers
288 views

Users with multiple accounts

In the old meta we had a very useful thread where one could point to moderators multiple accounts to be merged. Since things have changed, would there be a point on having such a thread here, or what ...
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8 votes
5 answers
528 views

latex.mathoverflow.net/png images broken

Prior to MathJax and jsmath, MathOverflow used http://latex.mathoverflow.net/png to generate images of mathematical equations to insert in posts (e.g. this one). That didn't last very long but all of ...
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8 votes
3 answers
504 views

why the extra step in registering?

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 ...
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  • 42.9k
8 votes
1 answer
311 views

How do I delete an accidentally created tag?

While posting this question, I meant to put the constructive-mathematics tag, but I accidentally just typed "con", thereby creating a "con" tag in MathOverflow. How can I delete it?
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8 votes
1 answer
590 views

How did I lose all my reputation points?

At the beginning of the summer I had around 1,172 reputation points. I didn't log on for a few months. Then, I saw that the site looked a little different and I looked at my profile and saw that I ...
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8 votes
2 answers
241 views

Sort unanswered questions by tag

Please excuse my mo.meta ignorance. Is it possible to view the list of percentage of unanswered questions, sorted by tag? (This is somewhat ill-posed because many questions have multiple tags, but ...
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  • 27.9k
8 votes
1 answer
232 views

Is it possible to search for posts/questions of an user $X$ commented on/answered by the user $Y$?

Basically the question is in the title. Maybe it sounds not entirely healthy but, say, I want to find all instances when the user $Y$ has replied to the user $X$, is there a way to do it? Maybe more ...
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8 votes
5 answers
447 views

What are Tips and Tricks to use MO more effectively?

The purpose of this question is to collect a list of Tips and Tricks for using MO in a more efficient or otherwise better way. If you know some trick or have a tip you want to share with your MO-...
8 votes
1 answer
132 views

Some guidance needed concerning a suggested edit

I just reviewed an edit and rejected it because it looked wrong to me. The edit suggested a modification with respect to indices in some formula. https://mathoverflow.net/review/suggested-edits/43644. ...
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  • 17.1k
8 votes
1 answer
143 views

When do votes to close/reopen expire?

I believe votes to close/reopen expire after some time. When?
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  • 23.6k
8 votes
1 answer
499 views

"Apparently, this user prefers to keep an air of mystery about them"

I happened to click on a user's MO profile. Under his clearly set-out name was the legend "Apparently, this user prefers to keep an air of mystery about them". On the same page is his photograph and a ...
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  • 2,427
8 votes
1 answer
180 views

How to (re)tag such that migration works?

As discussed elsewhere it is crucial that a question that should be migrated has a matching tag on the target site (otherwise the migration is rejected and the question closed on the source site). ...
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8 votes
1 answer
221 views

I am not being notified when my question is answered

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??
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  • 3,786
8 votes
1 answer
335 views

Sticky vote controls at MO?

This SE meta post mentions a test of sticky vote controls. I couple of days back I remember that I had sticky vote controls for a short while but then it returned back to normal. The linked post ...
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8 votes
1 answer
415 views

Chatroom links disappeared

I like to hang out in the homotopy theory chatroom. I used to navigate to this and other chatrooms using a link on the main site. This seems to have disappeared. Is there a reason for this change? I ...
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  • 6,670
8 votes
0 answers
547 views

Is there such thing as "typical user reputation curve"?

This question is driven by sheer curiosity - maybe even vanity? My reputation curve acquired curious shape lately: I can even guess reasons (mostly personal) why the pace is so slow ever after June ...
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8 votes
0 answers
231 views

Using MO in China

I am on a business trip in Beijing and get the following error message when using MO: Question: can that somehow be fixed?
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  • 11.2k
8 votes
0 answers
124 views

Automatically fix outstanding mathjax issue involving backticks

After the transition to the stack exchange network, I have occasionally noticed posts being edited to replace occurrences of the following code (note the backticks): ...
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8 votes
0 answers
152 views

Appropriate procedure for removing little used tags which are too specific

What is the correct procedure for removing tags which only have a single question, and would be better off with a less specific tag? My example is a question which was tagged 'relative-entropy'. ...
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7 votes
1 answer
179 views

Flag remainings

this is my first question on this meta website, so sorry if I am off-topic. I flag sometimes some questions, often because of spam (I hate this) but also sometimes for off-topic or duplicate. It is ...
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7 votes
2 answers
423 views

What are the exact mechanics of the vote for MO moderators?

The election for moderators is currently going on. Three new moderators will be elected. On the election page you are allowed to rank your choices of the candidates. It is a little unclear whether you ...
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  • 19.5k
7 votes
1 answer
327 views

Top-voted questions for the year?

This link shows the top-voted questions:       https://mathoverflow.net/questions?tab=Votes In a New Year's spirit, how can I restrict this query to top-voted ...
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7 votes
1 answer
170 views

Changing mind about upvoting a comment

If I change my mind about upvoting a comment, is there any way to cancel my upvote there?
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7 votes
4 answers
148 views

How should I use the meta-tags [feature-request], [bug], [support], and [discussion]?

On meta, each post must be classified into one of four classes. Which should I use? Note that in addition to these four classes there are numerous other tags on meta that can and should be used in ...
7 votes
2 answers
141 views

How to post a computer code by copy-paste?

I just want to add a computer program to my answer. However all my attempts to copy it result in total garbage displayed because all "less" and "greater" signs are perceived as HTML markers. I tried ...
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  • 53k
7 votes
1 answer
437 views

Viewed 67597 Times

Something strange here: Perfectly centered break of a perfectly aligned pool ball rack      
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7 votes
1 answer
308 views

Strange! I know someone who can answer but I could not let him know!

There is a recent and interesting post on MO: erdos-harary-tuttes-dimension-of-graph-progress-in-last-48-yrs that I know a friend of mine can answer. I had in mind to let him know via this feature: ...
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