# All Questions

422 questions with no upvoted or accepted answers
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### What happened to Stackedit?

I'm not sure if this question is appropriate for MOmeta, but as the tool had been suggested for offline editing, I'll give it a try (please vote to close if not appropriate). Stackedit got updated in ...
• 11.1k
194 views

### Why was my question closed while it looks like similar questions are still open?

Recently, my question regarding a good introductory book on mathematical risk theory was closed because it was deemed off-topic and not research-level mathematics. However, I think that multiple ...
• 3,513
89 views

### Did few of my questions disappear without notification or trace?

I strongly suspect one or two of my questions disappeared without notification or trace on my user page in the last month. Is this true? Is there efficient algorithm to find links to the missing ...
• 23.4k
358 views

### Failed to upload image; imgur is rejecting the request | Close

Why would imgur reject an image upload request? Temporary problem, or a problem with the particular image? I've tried several images, all small (<100KB). The error message is not very informative......
• 145k
83 views

### "Have you considered to accept or start a bounty"

There are some questions of mine with answers which I did not accept them,yet. Some of them (but not all of them) has an statement on the above of its title in the question list,...
• 207
121 views

### Browser crashes

For some odd reason, this seemingly innocuous MO question crashes every browser with which I try to open it on my iPhone. (This remains true after a phone reboot.) It opens perfectly well on other ...
• 20.7k
84 views

### Disabled button not visible in flag dialog

Since a while, it's possible to retract a flag by opening the flag dialog again and clicking the 'Retract flag' button. Of course, if the flag is already handled, retracting isn't possible. In this ...
• 2,691
154 views

### Is this question out of place?

Is this question out of place here, as I could not garner any attention/comment? How would you classify this and what would you suggest, in a situation similar to this question.
• 694
102 views

### Hadamard product (and other ambiguous tags)

There is this tag, hadamard-product; as can be seen e. g. on the Wikipedia disambiguation page, it can have four different meanings. I for one, attracted by it in a recent question (I badly need to ...
• 16.2k
166 views

### I loose a question

I remember that I had asked a question about obstructions for a $n^2$ dimensional vector bundle for which the fibers admit a structure of matrix algebra. I do not remember ...
• 207
191 views

### No attention or any comment on this question yet. Should it be migrated to math.SE?

I have not got any attention/comment on this question yet, even after being in bounty for 4 days. Meanwhile I learned that the problem has trivial solution in higher dimensions (minimum value = 0), ...
• 694
158 views

Just by curiosity: This recent question has had five answers so far, and each answer has gotten more than 10 upvotes. I think this is quite exceptional (unless the questions are CW of course). How ...
• 12.6k
100 views

### Redirection for off-topics posts

At the moment there are three choices in the Closing > Off-Topics > Migration tab. Shouldn't the other stackexchange websites http://matheducators.stackexchange.com and https://hsm.stackexchange.com/...
• 17k
258 views

### My question has been asked but not answered at all. What should I do?

My problem is somewhat similar to My question has already been asked, but not really answered? What should I do?. But in my case the question has not been answered at all. My first idea was to write ...
• 823
292 views

### Poll for time cutoff for changing vote

Looking at the number of votes this and this question has received, I would like to ask everyone interested to cast their vote whether they are happy with the current time cutoff for changing votes on ...
• 17.2k
292 views

### Do people want counterexamples in general topology that satisfy low separation axioms or high separation axioms?

When people ask general topology questions asking for a proof or a counterexample to a claim, people often do not mention whether they want a counterexample which satisfies higher separation axioms (...
• 22.8k
95 views

### Can I migrate this question about the divergence of an infinite product to Mathoverflow?

I thought this problem was just an homework-level but it turned out neither two of my professors in the area of analysis nor users active in mathstackexchange could give me a complete solution. The ...
• 1,441
147 views

### To what extent is MO usable with console browser, not supporting javascript and images?

To what extent is MO usable with console browser, not supporting javascript and images? Say lynx/links/links2/elinks or something else? I can live with javascript killed, but on some occasions when ...
• 23.4k
160 views

### Strange behaviour when clicking on MathJax in question title

I clicked on $\mathbb{RP}^n\times\mathbb{RP}^n$ in this title Instead of taking me to the question, it stays on the same page but now displays this If I click on $\mathbb{CP}^n$ instead, I go to the ...
• 17.3k
282 views

### Recovering just for me my deleted question (or answer)

I am sorry to ask. There was an MO Q. by me (which addressed in an elementary way the infinity axiom, actually by just providing another formulation of algebraic flavor). I have carelessly deleted my ...
700 views

### Can I ask this question here?

I recently posted this question on Math Stack Exchange, in which I asked for a published reference containing the proof of a certain fact. What I got instead was a very rough outline of a proof. I've ...
• 101
218 views

### Can I customize TeX/MathJax in Chrome?

Probably this question belongs to some general SE meta but I don't even know where it is or whether I am eligible to post there, and mostly I am using MO anyway, so if there is another more ...
• 16.2k
129 views

### Reputation graph in Chrome

I just noticed what seems to be a small bug; hopefully this question is not a duplicate. When I go to my user page, under "reputation" there is a timeline which I should be able to manipulate by ...
• 20.8k
146 views

### Merging accounts

I have long been away from these forums. If I recall correctly, I used to login from my Google account. Still, my Google account seems to be no more tied to my original MathOverflow account https://...
• 13.7k
206 views

### Can I ask this type of question? I don't know whether it can be qualified as research level?

I asked this question on Math.Stackexchange, this, can I ask here. I have done little research on proving for the general case of n-variables other than mentioned in my answer.
• 101
159 views

### Answering question does not bump it?

I posted an answer to Grothendieck spaces and total subspaces of the dual and it bumped the question to the top under the tagged lists but not on the front page even though I have that page set to ...
• 29.7k
159 views

### Should the tags [inner-models] and [inner-model-theory] be merged?

Right now there are two tags for questions about inner model theory: inner-models and inner-model-theory. I can't see any difference in the type of questions being asked under these two tags. Should ...
181 views

### Why are the number of profile views displayed?

Is there a reason why the number of profile views is displayed when I go to my profile? I don't think it is a bad thing, I just don't see the purpose.
• 17.3k
491 views

### Why was 'How to Discover Counterexamples and Required Objects' put on hold?

Please forgive me if I did not post this correctly. I'm writing following https://mathoverflow.net/help/reopen-questions. I would like to ask for my question to be reopened: https://mathoverflow.net/...
112 views

### Missing header at top of page?

In other SE 2.0 sites, I get a short header in between the StackExchange link on the left and the search box on the right. It includes account information and a link to meta (also review, chat, help)....
• 15.9k
93 views

### First closed question has default fields in explanation

See < https://mathoverflow.net/questions/134652/foundations-of-mathematics-and-set-theory>, where the reasons for closing are slightly too relevant/not relevant at all. How many of these fields are ...
• 31.2k
1 vote
133 views

### How can I contact a specific user

I'm new here and it was suggested to me to ask this here. There was a particular user who's answers and questions came up more than once when researching a couple math related topics and I was hoping ...
• 101
1 vote
153 views

### Self advertising and posting a candidate constructive proof

I would like to learn about appropriateness of posting a candidate constructive proof that decides a conjecture or open question and asking for counter examples that render the proof incorrect. The ...
• 11.1k
1 vote
199 views

### What is the correct action if the OP finds an answer incorrect (with a recent example)?

While I certainly think that the OP of the question Non trivial zeros of Riemann zeta function definitely abuses MO in a couple of ways, still I believe it is a good example for the question in the ...
• 16.2k
1 vote
84 views

### Appropriateness and cross-posting

I am interested in this question on math.stackexchange. To me it is interesting because while it looks "obvious" that there isn't a solution with 6 turns (I have some very partial results ...
• 348
1 vote
195 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 ...
• 791
1 vote
79 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 ...
• 5,223
1 vote
134 views

### Need advice on math enthusiasts forum

I am looking to find a forum in the Internet intended for math enthusiasts to discuss math ideas outside the question-answer format but at high level. Can anyone advise such sites?
• 8,446
1 vote
58 views

One can push the "follow" button below a question in order to get advised of new developments. Can it happen that one gets news from the "recent inbox message" about some questions that one has ...
• 44.8k
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 ...
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?
• 5,223
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 ...
• 937
1 vote
155 views

### Should this be moved to math.stackexchange?

I posted Lower bound on Carmichael Function and just assumed it belonged here, but after thinking about it for some time I'm not so sure. The Carmichael function itself might be encountered by other ...
1 vote
150 views

In case, one had written a book manuscript, but it was not possible to find, by other means, proofreaders mathematically knowledgeable enough to proofread the manuscript, would it be appropriate to ...
• 565
1 vote
80 views

### Display of differences between revisions

Being impressed by the visualisation of differences between revisions on this site (and MSE as well) I cannot resist to ask: what javascript libraries are used for this? I know that MathJax is used to ...
• 1,207
1 vote
83 views

### Problem with "move to chat" function?

I seem to be having a problem with the "move to chat" button. In a recent question, I received the "consider moving to chat" prompt, and I clicked the proffered button; however, it didn't work. ...
• 21.5k
1 vote
205 views

### What do you see to upvote an answer?

Question is as in the title? What makes you to up vote an answer? Most of my answers are with $0$ upvotes. I am trying to understand the reason. One of the reasons could be that mathematics that I ...
• 5,223
1 vote
212 views

### Area 51 Proposal: Math Challenges

On September 1st, I started a proposal on Area 51, for users to share, discuss and answer mathematical challenges that they have. I did this because I felt that these types of problems have no place ...
1 vote
123 views

### Ability to flag for migration to other stackoverflow sites

Currently on mathoverflow, flags can be set for questions to be migrated to meta.mathoverflow, math.stackexchange, and stats.stackexchange. However, there are often questions that belong on other ...
• 4,661
1 vote