# All Questions

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205 views

### Derivative of reputation score over time is identically zero

I've got a smattering of upvotes on my small number of answers but my reputation has never budged. Can someone explain why this is so?
569 views

### Blocking some words in question title to prevent silly questions

Is there any way to block some words in question title? Need help with a equation. Help me please, its pretty urgent :) (now deleted by the OP) May be blocking some words such as "please","urgent". ...
150 views

### Should we have standing bounties?

There have been proposals to stop the bounties from expiring. On meta.SE these have been received rather badly, but would be most likely welcome here, as offering rewards for unsolved problems has a ...
1k views

### Deleted answered question / arXiv posts based on unacknowledged MO posts

I'd like to mention here two possibly related facts: (a) Soon after this question was answered, there was an arXiv paper posted providing the same answer (b) Soon after this closely related ...
1k views

Here I only ask questions and do not (can not answer for lack of knowledge) answer any of the questions. Sometimes I feel it is bad. Some questions that I know answer to are either closed as not ...
126 views

360 views

### Is it possible to use tikzcd code in MO posts?

Question : Is it possible to use tikzcd code in MO posts? There are information for drawing diagrams using AMScd ...
69 views

### Would this question be on topic?

I'm independently working on some research, and would like to see if there are any other papers on this topic. Can I ask a question on the main site, with a brief description of my work, to see what ...
155 views

### adding n cat lab tag

I propose adding n cat lab tag with an intention to discuss mathematics that is written in https://ncatlab.org/nlab/show/HomePage. As https://ncatlab.org/nlab/show/HomePage has large amount of ...
160 views

### Is MathOverflow missing a tag for ODEs?

TL;DR: Is there a tag which is intended (only) for ordinary differential equations? If not, should there be one? The situation with the tags related to ODEs seems a bit unclear to me. AFAICT there is ...
404 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 ...
969 views

### close/reopen wars on Mathoverflow

Sometimes one sees a situation like with this question: Cargo Cult Science in mathematics? which goes on hold and back again a number of times. Should there be a limit to the number of such rounds? ...
125 views

### What's the difference between two off-topic flags?

I'm sure that this is somewhere on MMO, but my searching hasn't turned it up. When I flag a question as off-topic, two of the options that I am given are "This question does not appear to be about ...
474 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 ...
1k views

### My question was closed on MO because it is not research level. Where should I ask instead?

If a question is closed (put on hold) on MathOverflow as off-topic for not being research level-question, but it is still a question about mathematics. What might be a suitable place for such question?...
91 views

### Why does this figure do not appear?

I add a Picture "GaussBonnet with Jpeg format to the following question but it does not work. (Some possible obstructions to ) Limit cycles as closed geodesics(3) Can one help me to resolve ...
85 views

### A markdown question: are custom list number formats possible?

For list numbering, 1., 2., ... are used. Could I change this somehow, to use, say, (1), (2), ... or i), ii), ...?
338 views

### Reopening questions after clarifications

I noticed that closing unclear questions often happens in next to no time while reopening them after the OP honestly follows the request to explain what he meant and does a reasonably decent job on ...
137 views

### Is there a way to check all questions/answers posted from a deleted account

Suppose I know an account number, say user313948. Is there any way to check all questions/answers posted by that user?
380 views

### How to respond to multiple questions asked together?

What is the best way to respond when someone asks more than one question at once? There has been some discussion in the past of circumstances under which this could be an appropriate thing to do. My ...
94 views

### Recommending to move the question to another site

I am trying to recommend to move the question to another SE site. When I press the corresponding button, the menu pops up which offers me choices: meta, MathSE, stats. And no more choices. How can I ...
125 views

### Tags “riemann-zeta-function” and “zeta-functions” are almost identical

I have discovered that the following two tags are too similar to each other: riemann-zeta-function, with 299 questions tagged, has the description The Riemann zeta function is the function of one ...
161 views

### Synonym by a moderator which needs approval?

When I look at list of tag synonyms I see there a pending synonym rsk-correspondence $\to$ robinson-schensted-knuth and François G. Dorais♦ is listed as the creator. You can also see that this synonym ...
76 views

### Does it make sense to have both “surfaces” and “curves-and-surfaces” tags?

I have noticed that there currently exist tags surfaces (with description "A surface is a two-dimensional topological manifold. The term can also be used to describe a smooth surface, depending on the ...
575 views

Do the recent changes to Stack Exchange Terms of Service affect MathOverflow in any way -- and if yes, what are the concrete effects?
242 views

### Who decides on a community policy?

Approximately one month ago, I asked whether pronunciation questions should be allowed. The responses I received seemed to suggest that they should, albeit possibly in the form of a handful of ...
151 views

How to "accept" answers - when you vote for an answer, there is a push-out very quick that I cannot read properly mentioning a way to "accept" the answer. Thank you in advance
125 views

### What to do with questions that are partially answered

I have asked a question here. Point of question was to understand about holonomy of gerbes. I have said that at the end of the question. I did said that there is some equality which I was not able ...
440 views

### The existing deprecated tags should be blacklisted

TL;DR: I suggest to blacklist the deprecated tags that still exist on some questions, in order to prevent them from being added to new questions. There are a few tags which are deprecated and should ...
80 views

### Help finding question

I am seeking a link to a question I posed myself, but which I can no longer find, either with Google site:https://mathoverflow.net or with StackExchange search (...
2k views

### “Stack Overflow Isn’t Very Welcoming.” — are we?

There is a new posting on the Stackoverflow blog, entitled Stack Overflow Isn’t Very Welcoming. It’s Time for That to Change. A quote: Too often, someone comes here to ask a question, only to be ...
462 views

### Deleted posts visible to high reputation users

Suppose I delete an answer or a question I have posted, it is still visible for users with high reputation to see that. I guess deleting an answer would mean I realise that the content is wrong or ...
114 views

### Is this post incompatible with its tags?

Is the following question incompatible with its tags? I really do not understand the reason that some participants voted to closing this question as off topic question: PhD dissertations that ...
272 views

### offtopic question

my question was off toped https://mathoverflow.net/questions/298576/eiπ-1-1iπ?noredirect=1#comment742859_298576 Now I clearly see no reason for this. Just like for having two distinct websites for ...
110 views

### The (tag-removed) tag and migration

Occasionally I have seen that for low-level questions (such as introductory calculus exercises or similar level) some user replaced the tags by the tag-removed tag1 - to indicate that the question is ...
88 views

### Cancel command in MO post

Why the \cancel command does not work in the last part of the following post: A cohomology associated to a Riemannian manifold I would like to strike through the last part of the ...
70 views

### Accepting an answer to a closed question

To my surprise I discovered that I can accept an answer to my question that has been closed. I am not sure whether it is "good" or "bad", my question is whether it is an intended feature and if yes, ...
142 views

### Blocked migration to MathSE

The following MO question Why is $O(n;k)$ not connected, and has four connected components? (revisions/timeline) had the following history had a detailed answer (a) has been closed as off-topic (by ...
64 views

This is a trivia question, the only reason I dare to bring this up is because we have entertained similar curiosities here on Meta about the functioning of MO. An old accepted answer of mine from ...
51 views

### What if I want to increase bounty by somebody else?

I found an exciting question that somebody gave bounty of 50, and I would like to increase it. Seems there is no way to do it. Why? Also, I never tried this so I don't know: can I increase my own ...
70 views

### Regarding a deleted post

I posted a question on mathoverflow. It was regarding a counter example that I had found. Later I realized that I should not have done that and deleted it. I am writing a research paper on how I ...
158 views

### MathOverflow feature: facilitating collaborations (algebra & other sciences)

One of my goals as an academic is to facilitate collaborations between my field ("pure algebra") and other sciences. We can't expect administrative staff (for instance, the Dean of Science) to help ...
62 views

Simple question: should the tagging of a question cover answers? Suppose I asked a question about a mathematical problem and in the answers contained for example: pointers to literature algorithms ...
269 views

### Serial downvoting

I received 4 downvotes within a short amount of time, I suspect it has been the same person. I think a mechanism should be installed that no user $u$ can downvote more than one post with a positive ...
107 views

### Possible bug in migration

Moving back my question to MO I have given link for question as References on Gerbes. This I have done using my computer. Now when I check it from my iPad It is taking me back to meta question. I ...
810 views

### Moving back my question to MO

References on Gerbes question is migrated from MO to meta. It was never about MO. I was only giving information about search I have done. None of the comments except one has objection with this. None ...
155 views

### How to cut and paste

It has happened a few times that I have wanted to move someone else's answer from the comments to an answer, when the poster implicitly does not wish to do so (by not responding after a days-old ...
96 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: ...