# All Questions

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### Is reasonable to expect that the number of upvotes is greater than the number of favorites?

Am I mistaken to think that logically the number of upvotes to a question should be greater or equal to the number of favorites? The small difference between these two numbers in this post: Examples ...
129 views

### What is the best way to ask for comments on your proposed proof of some known theorem on MathOverflow?

Firstly, I apologize in advance if this post in not suitable for MO, but in my personal circumstances, I have no other place where I could post it. Suppose one is fairly convinced that they have found ...
417 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 ...
239 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 ...
951 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.
101 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 ...
15k views

### Best of MathOverflow, or papers inspired by MathOverflow

This is a place to collect MathOverflow success stories! Was some of your research inspired by something on MathOverflow? Do you know questions & answers that led to interesting research? ...
20k views

### News of potential interest to the MO community

Occasionally, there has been a suggestion to start a meta question to collect information that might be of interest to the MO community. This is an attempt to start such a thread. Is there any news ...
45 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, ...
704 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 ...
57 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 ...
69 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 &...
208 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 ...
729 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 ...
228 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!
66 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 ...
179 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 ...
4k views

### Interesting (and not sufficiently answered) questions on math.SE

In light of the generally positive response to this meta-thread, I am creating this to help advertise (and hopefully fully resolve) "interesting" questions on math.SE. I'm not really certain what the ...
869 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
201 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 ...
203 views

### Tag subscriptions and “Watch tag”

Something changed about tags. For the tags I have no subscription the new feature is like: whereas for the tags I have a subscription it is like: Questions: How to subscribe to a new tag? What is ...
3k views

### Help cleanup tags!

This is meant to agglomerate tags that need (occasional or regular) cleanup. That is tags that mean multiple unrelated things and need to be separated into more specific tags. Please follow the ...
45 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 ...
310 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....
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 ...
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 ...
623 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 ...
385 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 ...
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.
276 views

### Pink questions in the list

In the question list we see that there are some questions which are pink. What is the reason of this situation?
121 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 ...
330 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?
202 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), ...
297 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 ...
436 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 ...
508 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. ...
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 ...
152 views

### The meaning of “The number of Followers of a tag”

My apology if my question is elementary: One can find the number of followers of a given tag. What is the meaning of this number? Is it the number of participant who are (reading ?)or ...
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 ...
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 ...
238 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 ...
113 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 ...
908 views

### Why was "The origin(s) of the word “elliptic” migrated to hsm?

This question on the history of the ellipse terminology was migrated to hsm after a week of being active on MO and receiving several useful answers. Did the OP ask for migration? Why are some ...
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 ...
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 ...
797 views

### Is there a consensus on whether history of mathematics questions are acceptable on MO?

I recently stumbled across an old meta discussion in which some people suggested that history of mathematics questions were off-topic for MO. This took me by surprise and I would like to ask for ...
518 views

### High accuracy computation question on MO

Can I ask question which require very high accuracy calculation with very delicate nature on MO : Ex: calculate: $$S(q)=\int_{x=2}^q\sin^2\left(\frac{π\Gamma(x)}{2x}\right)dx$$ for $q=10^3$ or \$10^...