# All Questions

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121 views

### Student trying to cheat in an exam

This deleted question (10k+ users only) is a student who just copied exam questions and wanted help, and admitted it in the comments to me before deleting the question. I would like this question to ...
89 views

### This board is entirely homework questions [duplicate]

I have a question about my MathOverflow post: When does a group and its pro-algebraic completion have equivalent categories of arbitrary representations? I dont see a single research question. Has ...
38 views

### Why does Markdown not always work?

In this post, I selected text and marked it bold with two stars. But it displays for me (both in preview and after posting) like this: Is this related to the move to CommonMark as noted in the post, ...
53 views

### When are question titles auto-expanded?

Sometimes, pasting a link into the text auto-expands to the question title, and sometimes it doesn't. For example, to take a question transitively suggested by the related links: Is there an ...
65 views

### “Voting corrected” seems incomplete

A few days ago, I was surprised to see a sudden increase in rep of 80 points in the space of a couple minutes. When looking over my profile today, I saw that I had lost 60 points, with the annotation &...
198 views

### Reporting a possible 2nd account belonging to a network-wide suspended user

This user is suspended for 71.63 more years: A user with the same name is not suspended: Perhaps the mods can investigate their IP addresses and act accordingly (both users are basically active on ...
63 views

### Is it possible to add Szemerédi's theorem as a tag in MO?

Probably Szemerédi's theorem is the most important result in arithmetic combinatorics,and it is a meeting points of differents other theorem and the starting points of huge contributions of Modern ...
222 views

### Downvoting systematically a user

I have got 8 downvotes in the last 2 days, on various questions and answers. Clearly someone is mad at me... Is there any way to stop that? Thanks!
892 views

### Why does this (old) funding proposal for MathOverflow, say that Ben Green got the Fields Medal?

This funding proposal says: But Ben's name is not mentioned here.
692 views

### Richard K. Guy, the centenarian mathematician

Professor Richard K. Guy, the great number theorist had passed away long before in March. Since there were no posts to commemorate him on this site (as far as I saw), I decided to post this question ...
175 views

### Impact of politics on the availability of video conference software for mathematics online conferences

I'm not sure that this is the best place for this post, but on the other hand I could not think of a better forum. Of course I understand if this post must be downvoted since it doesn't strictly ...
195 views

### Would asking this question be permissible on the main site?

I have been working on a problem for days, that I previously mentioned on ComScience StackExchange. The answers were helpful. But, I need more information to develop a polynomial space algorithm. I ...
860 views

### Someone is trying to delete the Memorable Titles thread

There is currently a vote to delete this very old thread. I am writing to register my strong protest against this and bring it to the attention of other users here on meta. Most memorable titles
44 views

### Why don't images show up in a post?

Why do the image links in the post Triangle angle bisectors, trisectors, quadrisectors, show up as raw source? (I tried deleting everything but the [1] or ...
65 views

I have a question about my MathOverflow post: Sequence without average density (It's deleted!) I've asked it on 15.07.20 (currently yesterday), and in several few minutes realized that USA's time is ...
307 views

### How can the question ban be removed:

The question is deleted and then I'm banned on MO after I asked the following question on MO earlier ( it's first asked on MSE then after sometime with no answer; I asked on MO) : https://math....
622 views

### Why are usernames not unique?

Fifty users on MO are identified simply by the name Andrew (with a capital A). Perhaps there are even more common names. Most websites require prospective users to register a name distinct from that ...
2k views

### Ron Graham (1935-2020)

As you may know, Ron Graham passed away on July 6, 2020. In the past, when a famous mathematician passes away, many community members feel that they should be remembered on MathOverflow in some way or ...
134 views

### Need details or clarity

I need some help to understand what is unclear with my question A reform of logic to secure naive set theory? and also what details are missing, from other persons perspective.
120 views

### My answer got upvoted, but no reputation increase?

My reputation score seems to be stuck at 510 even if some of my answers were up-voted recently. How do I fix this bug? How do I contact the moderators in order to solve (or at least understand) the ...
328 views

### Is there a way for moderators to contact MO users personally?

Question is as in the title: Is there a way for moderators to contact MO users personally?
296 views

### Role of the tag “gm.general-mathematics”

This question is about the tag gm.general-mathematics. A meta question about it already occurred here, but was less specific (and didn't generate much discussion). See also the discussion in the ...
201 views

### Clicking question author username sends to revision history

This happens with Every mathematician has only a few tricks: the link with the author username leads to the revision history. I checked several other questions, including some cw (this one is cw), ...
432 views

### Should we blacklist or delete the “research” tag?

Should we blacklist or delete the research tag? This site is about mathematical research, so I don't see how the "research" tag is helpful, any more than a "mathematics" tag would be helpful. Of the ...
58 views

### How do I follow a tag on MathOverflow?

I am probably missing something, but I would like to follow a tag on MathOverflow, so that I get emails about new questions with this tag. How do I do this (I read MathOverflow help and Googled this ...
125 views

### Question regarding the StackPrinter site

Does anybody here know whatever happened to the StackPrinter site? It seems to me that it is not working anymore. Do you know of a currently working version/link of the site? Please let me thank you ...
237 views

### Type of content to be posted on MO and differences with MathSE

I've been part of both communities for half a year now and despite the fact that I've not being particularly active I am surely interested in the good practices in posting questions in here and the ...
112 views

### Is there a post where one can thank mathoverflow community?

Is there a post where one can thank MathOverflow community for its indirect help for a paper that has recently published, along with the link of the paper? (Especially given that MathOverflow being ...
258 views

### Is it ok to write a CW answer extracted from a comment of some user?

Suppose I have seen an answer to a question by a user X. Suppose another user Y leave a comment under X's answer. This comment received good number of up votes (6 as of now). This comment is not ...
209 views

Any question on MathOverflow (or other Stack Exchange site) shows the list of linked questions in the sidebar on the right. A question is added there if there is a link between the two questions ...
417 views

### Well-received but unanswered Math SE question; should I consider posting it here or requesting migration?

The Mathematics SE question Can there be an energetically unbounded three-body orbit where escape is impossible due to conservation of angular momentum? was well received and someone had graciously ...
292 views

Recently, while reading this answer, I noticed that the links such as this one to gmane.org don't work. After searching around for a while, I was able to discover that these mailing list posts are ...
543 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 ...
107 views

### Leveraging MO to organize mathematical research

I am currently studying an existence lemma that appears to be simple yet powerful. From what I know about it, it is applicable in combinatorics, topology, graph theory, probability, percolation theory,...
78 views

### Create usage guidance for 2-categories tag

The 2-categories tag has no usage guidance, can you help us create it? This is what the 2-categories tag page https://mathoverflow.net/questions/tagged/2-categories says. Can some one create usage ...