# All Questions

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### Account not deleted [closed]

25 hours after my account was scheduled for deletion, the account is still active. I tried deleting my answers manually but it is not possible in most cases, same for questions. What should I do?
102 views

### Closing votes: what difference between "not research related" and "not research related" [duplicate]

I am reviewing many posts with close votes recently, and I often end up with the same uneasiness about the reason to chose. In the "Community specific reason" option, there are This question does ...
• 5,155
850 views

### To moderators: is my account deleted?

To moderators: Is my account deleted? The rep number is now 1 . but I can still login. I cannot ask this on meta because $1<5$. Thanks for the comments. The account is scheduled for deletion now.
• 1,794
481 views

### Writing a proper MathOverflow question

I am in uni and I'm struggling to write a proper question for this site. I always end up writing too little and people say they need more detail. Sometimes I get a bad rep and criticised for being ...
• 157
1 vote
129 views

### How do I improve the clarity of my post?

I have a question about my MathOverflow post: How do we create a better definition (for my definition of average) which is easier to compute and gives exact values? How do I improve the clarity of my ...
100 views

### Missing all activity and questions I asked on this site

Apologies if this has been asked before, but I had a few questions on this site (some of them from when the site run its own copy of the software and before it became part of StackExchange) and I can'...
936 views

### What to do with links to arXiv front end?

There are quite a few posts which link to some paper at http://front.math.ucdavis.edu/ rather than directly at https://arxiv.org/ The front for arXiv at UC Davis seems to be down for some time. (I ...
• 4,515
382 views

### change in voting to close

I noticed today that the pop-up screens for voting to close a question have acquired a new layer. Clicking "close" used to produce a pop-up with checkboxes indicating various reasons for closing. Now ...
• 68.9k
1 vote
123 views

### Would this question be suitable for MO?

I have asked What are some efficient ways to keep a note of results of a paper? in Academia SE. Would this question be suitable for MO? Is this better suited in MO than academia?
• 5,203
682 views

I would like to write a question $Q$ asking for advice about what to do with a note which I wrote (itself based on a self-answer on MathOverflow) which was rejected from the arXiv (something I didn't ...
• 23.1k
675 views

### Does the number of answers really drop over years?

This was caused by an answer of mine to the question Slight downward trend in Q & A. I was adding another update to that answer when I noticed that the query I was using there now can be run for ...
• 16.4k
335 views

### MO is not the place for Mochizuki news

This question Everybody wants to know what's going on with this but we should leave it to Twitter, Reddit, blogs, etc. There is very little actual Mathematics in the discussion I linked to. (I am ...
• 29.6k
93 views

### How did I earn the Announcer badge?

Description of the Announcer badge reads Share a link to a post later visited by 25 unique IP addresses. This badge can be awarded multiple times. I have just earned the fourth one. And for none ...
• 16.4k
183 views

### Why are people trying to close this question?

Why are people trying to close this question? This was posted yesterday. There are 3 close votes so far and not a single comment from anyone.
• 694
61 views

### Potential rendering issue for formulas

when I entered the following $$\pmb{ \frac{d_+^n}{dx_+^n}}:= \left(1, \frac{d^1}{dx^1},\,\dots,\,\frac{d^{n-2}}{dx^{n-2}},\,1\right)$$ I observed that the defined fraction has an unsharp ...
• 11.3k
780 views

### Diminished activity during pandemic?

There has been a reduction in "traffic," but not nearly as much as I anticipated. This chart is maybe a few days behind a fast-moving situation, but I find it somehow comforting that math "goes on." ...
• 145k
66 views

### An answer to an unposed question

I was very tempted to answer Suggestions for reducing the transmission rate? with the following. In fact I did, but I deleted it again, because I do realize that there is nothing mathematical in my ...
• 5,029
1 vote
65 views

### Reputation for editing deleted questions disappears into memory hole?

It appears that reputation earned from editing a question that is subsequently deleted is not subtracted in a reputation-decreasing event (e.g. a "-2: edited question was deleted") that shows up in a ...
• 2,499
153 views

### Some concession for first couple of questions posted by new user

which is more important between connection and metric? This question was posted by a new user before 40 minutes. It was not a spam post. It is not clearly mentioned what the question is. ...
• 5,203
69 views

### Duplication of left-side links in review

I'm getting a weird bug when trying to review one question: https://mathoverflow.net/review/first-posts/127819 The left side links (including the MO banner) are duplicating, and the question itself ...
• 4,671
965 views

### MathOverflow to the rescue -- not in the usual way

Every now and then we get a post to meta about ways in which MathOverflow has improved the quality of someone's research. One way I haven't seen mentioned is one that just now happened to me, and (...
89 views

### Setting up math Q/A site in foreign language

Now that my college shifted to online education because of the coronavirus, I would like to setup a MathOverflow style site in Hungarian where I could post exercises, and students could comment, post ...
• 17.4k
107 views

### Suggest edits while over 2000 rep

At 2000 rep, users gain the privilege that edits are applied immediately, and loses the ability to suggest edits. However, sometimes I find that I would prefer to suggest edits and leave it up to the ...
• 4,671
179 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 ...
• 30.4k
89 views

### Tracing and Seeing deleted questions

Is there a way to search through deleted questions? Can a user reach his or her own old deleted questions? In the early days of MO I asked about similar sites in related disciplines and there were a ...
• 23.7k
121 views

I recently noticed some very bizarre behavior on this old post. The user who asked the question is currently operating under the username "Loop Space". This user seems to have previously operated ...
• 1,671
162 views

### What happened to the colours?

The colour of hyperlinks on the main site changed today. While basic links remain blue, they turn orange on hover, and a darker orange-brown colour when visited: I can’t imagine this awful colour ...
• 40.2k
141 views

### Merge the closing reasons "needs details" and "needs more focus"

I usually find unclear how to choose between the closing reasons "Needs details or clarity" and Needs more focus. Moreover the reasons "Off-topic because..." seem much more ...
• 52.8k
566 views

### Is this a site content rip-off? Did I report it correctly?

I apologize if this is off-topic here. Such reports perhaps should be made elsewhere (see below), and one can find posts of this nature being closed as duplicates on StackExchange network-wide meta. ...
58 views

### Long strings preventing code block rendering

In this answer I tried to edit the rational points given to lie in a single code block ...
• 31.5k
260 views

### Should I give a new answer or change the old one?

Related, but not exactly the same, to this question: "Should I rewrite my question, or create a new one?" Recently I gave a "quick and dirty" answer (in fact I just googled for getting it) to this ...
• 4,621
173 views

### Preview failing to parse double backslash in large matrices?

A couple of times now, I've been entering a large matrix here or on math.SE and, in the preview window, all the rows appear on a single line. Once the question posts, it displays correctly. I most ...
• 141k
184 views

### Should we delete or reopen these old posts?

The purpose of this question is to link to various old (say $\succeq 1$ year old) closed posts, mostly by no longer active users, most of which are reasonable candidates for deletion, and a few for ...
• 52.8k
109 views

### Would introducing an "operations-research" tag be appreciated?

What are your feelings about introducing an operations-research tag? I was tempted of introducing it but as it OR is also covered by combinatorial-optimization or graph-theory and maybe also other ...
• 11.3k
1 vote
43 views

### Should I rewrite my question, or create a new one

I posed this question two days ago, which effectively asks "Has X hard-to-describe special case on Barnette's Conjecture been proven?". In retrospect, I believe it was a poor question. What I now ...
• 1,561
365 views

### Apparent session of mass-close-voting: how to confirm or refute?

I have a feeling this question may be a duplicate of an existing one, in which case I am happy for this one to be closed. It seems we've had a bit of a drive-by of close-voting, but in the review ...
• 24.1k
265 views

### Does MO have a stand on neurodiversity? [closed]

Does MO have a stand on neurodiversity, if even informal? If not, should it have a stand? And practically speaking, how might it have a stand that could improve the community as a whole?
650 views

### Tea archive (mathoverflow.tqft.net) seems to be down

It seems that the link http://mathoverflow.tqft.net/ (which, according to this announcement, serves as an archive of the old tea, i.e. the previous incarnation of MathOverflow Meta) no longer works. ...
• 4,515
938 views

### 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 ...
• 542
996 views

### Is there a software solution if we do cut the cord from SE?

There has been some recent concerns about MathOverflow's relationship with StackExchange: see What is MathOverflow's "agreement" with Stack Exchange? How much is MathOverflow exposed to ...
• 31.9k
784 views

### What is MathOverflow's "agreement" with Stack Exchange?

On June 24, 2013, MathOverflow signed an agreement with Stack Exchange, Inc., to migrate the original site to the newer Stack Exchange 2.0 platform and join the Stack Exchange network. François G. ...
• 1,307
624 views

### Compulsive question editing

There is a user that is modifying a lot of question in the last couple of hours, in particular, converting to latex any plain text that he considers that should be in math mode. It is getting annoying ...
• 2,959
942 views

### Recognizing identifiable users changing user names

I noticed recently regular users changing usernames (for instance, changing to a username supporting some particular political issue). The purpose of this post is not to discuss whether this should ...
• 52.8k
164 views

### Should algebraic-dynamics tag be made a synonym for arithmetic-dynamics tag?

Disclosure: On Meta at Mathematics Stack Exchange, I have asked whether an algebraic-dynamics tag should be created and made a synonym of the existing arithmetic-dynamics tag there, given the apparent ...
• 728
565 views

### Are questions appropriate if they require answers to be edited in perpetuity?

A recent popular question asks about the status of a certain list of open problems. The OP answered his own question within 13 hours of asking it, and has now edited his answer 26 times, so that it is ...
• 22.6k
390 views

### 2019: a year in moderation

Since the start of the new year, I've been posting questions on various sites detailing how the various moderation actions taken on these sites break down between Moderators and ordinary members of ...
• 101
1k views

### Questions which are research level but where the OP is unlikely to have the background to follow the research

There is a type of question which gets closed a lot which I find frustrating. An example is How to compute the volume of a region transformed by a matrix? , which I recently took the liberty of ...
• 141k
261 views

### Would this question be appropriate for MathOverflow?

I asked this question in Math Stack Exchange several days ago, but I have received no interaction so far, apart from 4 upvotes. I was considering adding a bounty, but since (to my humble understanding)...
• 964
208 views

### Tags for off-topic question

This is a pretty minor issue, but what should I do (if anything) when there are no appropriate tags for an off-topic question, e.g. this one? I tried to delete the existing tags but can't without ...