All Questions
1,856
questions
7
votes
1
answer
314
views
Strange! I know someone who can answer but I could not let him know!
There is a recent and interesting post on MO: erdos-harary-tuttes-dimension-of-graph-progress-in-last-48-yrs that I know a friend of mine can answer. I had in mind to let him know via this feature:
...
0
votes
0
answers
169
views
Is this question suitable for MO?
I recently posted this question on MO. However, it quickly got downvoted and there was a comment which read that "MO is not for homework."
However, that question was not homework and I had not got ...
13
votes
0
answers
361
views
MathOverflow Weekly Newsletter / Greatest hits from previous weeks
I don't know how many look at the MathOverflow Weekly Newsletter, but these were
the "Greatest hits from previous weeks":
"Video lectures of mathematics courses available online for free" from Feb ...
2
votes
1
answer
174
views
What happened to my previous posts?
Recently, I logged-in to mathoverflow (after a period of inactivity) to find out that none of my previous posts shows up. Can anyone shed a light on this?
8
votes
1
answer
477
views
Answering my own question
As a typical scenario, assume I ask for examples of some mathematical phenomenon and somebody answers my question and provides 2 families of examples. After several months, I figure a third family of ...
6
votes
0
answers
363
views
Must I be precise when asking questions, or will readers fill gaps based on context?
Suppose I asked a question about graphs; do I always have to precisely define, what kind of graph I mean (directed/undirected, with/without parallel edges, with/without loops, connected or not, with ...
10
votes
3
answers
884
views
Why are trivial answers upvoted more than answers that actually contain substance?
I have noticed that a two line answer that anyone can come up with usually has more upvotes than an answer that is more difficult to come up with. Is this trend simply a result of pure laziness as ...
6
votes
2
answers
271
views
Undelete request, Question 67384
An answer to Source and context of $\frac{22}{7} - \pi = \int_0^1 (x-x^2)^4 dx/(1+x^2)$? posted on 9 June 2011 gained 31 upvotes before being deleted by its author on 23 August 2012. Would those who ...
8
votes
2
answers
232
views
'Tag-removed' tags where they possibly shouldn't be
See
Why is differentiating mechanics and integration art?
Which functions of one variable are derivatives ?
both of which are tagged [tag-removed]. Also, both of these seem to have had these tags ...
1
vote
3
answers
2k
views
Why do they think this question is not of research level? [closed]
This question was originally asked in MSE about a year ago.
Nobody has answered it.
So I posted it here.
I wonder why they think it's not of research level.
23
votes
0
answers
772
views
Should "The probability for a streak when tossing a coin" be reopened?
The question "The probability for a streak when tossing a coin" is on hold. [Edit: It has been reopened.] I disagree with closing the question and voted to reopen.
This problem may sound like it is ...
3
votes
1
answer
461
views
Is it OK to ask the reason for a question to be on hold or closed in meta?
I don't know much about the culture of MO.
So I would like to ask the following question.
Is it OK to ask the reason for a question in the main to be on hold or closed in the meta?
11
votes
1
answer
441
views
Undelete request
This is motivated by this question, see also the comments, and Will Jagy's answer. I was asked to start a formal request, so here it is.
A user that has expressed no desire to participate anymore on ...
15
votes
2
answers
541
views
Trackbacks are no longer being generated for the arXiv
(Although this is a bug report, I or Anton are likely the people who need to fix it; this post is a bug tracking item, not necessarily a plea for help :-)
We previously been scraping the front page ...
10
votes
2
answers
299
views
The data explorer on MO
I don't seem to be able to use http://data.stackexchange.com/ on MathOverflow.
Will this change?
4
votes
1
answer
409
views
Undelete request, question 23943
NEVER MIND --- the same moderator who suggested I post here has solved the problem by deleting my copy-paste job and undeleting the answer we wanted undeleted. [or maybe it got undeleted by some other ...
11
votes
3
answers
385
views
Should there be a general policy for putting comments on "not-suitable-for-MO" questions?
Right now, there is a question posted on MO that rightly does not belong to MO: The equivalence of the mathematical induction and the principle of the smallest. Of course, such questions comes and ...
18
votes
1
answer
586
views
How long until MathOverflow will be part of the Stack Exchange Data Explorer?
According to this answer and this answer, MathOverflow will eventually appear on the Stack Exchange Data Explorer. A couple of weeks have passed since these answers were given and MO is still missing ...
5
votes
2
answers
469
views
Adding \LaTeX to old questions and answers
Maybe some context in the beginning. It is my second year in university so I am far away to be good enough to answer questions here, but from time to time I enjoy reading questions and answers. I ...
7
votes
1
answer
292
views
Can a bounty be awarded to an answer in a comment?
Recently I have placed a bounty on this question.
The question has no answer in technical terms, but it has been answered
in a comment within the bounty period.
Now the banner below the question says ...
9
votes
0
answers
242
views
Where is the off switch for the concurrent preview now?
I feel like an idiot but I cannot find it. Meanwhile, if the post is long and has a lot of LaTeX formulae in it, and the connection is imperfect, the wysiwyg regime is a non-stop fight. I figured out ...
6
votes
1
answer
290
views
On an answer containing pre-formatted text
I just came across an answer by a new user which looks very unusual to me: https://mathoverflow.net/a/139275/21095
Specifically, there is very little mathjax in this answer. Instead the vast majority ...
11
votes
2
answers
907
views
Where to share MathOverflow success stories?
We had an old thread about this at tea.mathoverflow.net but this is not the most obvious place for that. Where should we keep track of cool success stories like this recent gold nugget?
Update: The ...
36
votes
4
answers
883
views
Why not 'thanks' in comments?
I've noticed a message in mathoverflow's place for comments saying that '+1' or 'thanks' comments are not appropriate. I don't agree with the second kind of comment being inappropriate. I think it's ...
9
votes
0
answers
654
views
Collatz Question
I voted to close this question about a "5n+1" version of the Collatz conjecture because it appears to be entirely unmotivated, with no heuristics and not even any substantial numerical evidence.
I ...
8
votes
0
answers
288
views
Users with multiple accounts
In the old meta we had a very useful thread where one could point to moderators multiple accounts to be merged. Since things have changed, would there be a point on having such a thread here, or what ...
7
votes
0
answers
131
views
Capitalisation of "possible" in duplicate comment
There's nothing much to this question, but I thought I'd ask anyway.
When a question is flagged as a duplicate, a comment of the form "possible duplicate of . . ." is posted. Why isn't it "Possible ...
12
votes
2
answers
353
views
Minimum character of an edit
I just wanted to fix the latex of a question. It took me exacly 2 characters to change, which caused a large formula to display incorrectly.
The software, however, asked me to make some further ...
-5
votes
4
answers
713
views
Migrating a question which is already posted on the other site [closed]
When a question begins by saying "This question appeared earlier on math.stackexchange.com" and links to that earlier posting, how does it make sense to migrate it to math.stackexchange.com (thereby ...
9
votes
5
answers
460
views
What are Tips and Tricks to use MO more effectively?
The purpose of this question is to collect a list of Tips and Tricks for using MO in a more efficient or otherwise better way.
If you know some trick or have a tip you want to share with your MO-...
4
votes
1
answer
158
views
Hyperlinks not working in user profile
After the migration, it appears that the hyperlinks in my profile description are no longer working. I've noticed the same problem with some other users who I seem to recall had working hyperlinks ...
7
votes
1
answer
613
views
Who owns the content of MO, and why migrating a question is legal?
There is a long list of comments in Migrating a question which is already posted on the other site, and an important question is deep in that list, so I repost it here.
Where in the legal agreement, ...
4
votes
1
answer
161
views
Is there an option to hide migrated (or even on hold) questions?
It would make sense, especially for MO, to have an option to hide migrated and on hold questions in the user preferences. Is there a way to do this already? If not I think this would make a nice ...
12
votes
0
answers
636
views
Is the following question on paper-writing etiquette appropriate for MO?
I'm wondering if it would be appropriate to ask a soft question on MO regarding mathematical etiquette. In more detail, I'm writing a paper that cites a well-known paper in my field, but I've been ...
4
votes
1
answer
293
views
Soft question on history of Cohen Macaulay rings
A user over at MSE flagged https://math.stackexchange.com/questions/455506/why-cohen-macaulay-rings-have-become-important-in-commutative-algebra#question suggesting that it is suitable for MO.
The ...
8
votes
0
answers
125
views
Automatically fix outstanding mathjax issue involving backticks
After the transition to the stack exchange network, I have occasionally noticed posts being edited to replace occurrences of the following code (note the backticks):
...
2
votes
1
answer
365
views
Why downvote on meta?
I only posted two questions on meta, both fact based and both about the way MO is supposed to work. Today, I realized that I have received three down-votes. I have a feeling about down-votes (and up-...
2
votes
1
answer
349
views
Improving Anglo-American relations
Evidently maths.stackexchange redirects to math.stackexchange, but there is no apparent mathsoverflow.net. Granted, sover is not a word.
Anyway, the suggestion is to create a thing called ...
9
votes
1
answer
3k
views
Clarify meaning of "No action needed" in review queue
The review queue for late answers and first posts has the option "No action needed". Its description says that I should use it if no action is needed from me. This specific description confused me ...
8
votes
1
answer
615
views
How did I lose all my reputation points?
At the beginning of the summer I had around 1,172 reputation points. I didn't log on for a few months. Then, I saw that the site looked a little different and I looked at my profile and saw that I ...
8
votes
2
answers
591
views
Getting Experts Opinions on Mathematical Results
I would like to know, whether it is in the line of MO rules to present a result and ask for "opinions" like whether it is already known or worth pursuing and, who might be interested in the result.
...
-14
votes
1
answer
397
views
on- and off-topic questions [closed]
When might it be reasonable that a question is closed as off-topic because it "does not appear to be research-level mathematics" while one of many narrow special cases of that question, posted ...
-4
votes
1
answer
432
views
Request for Undelete
I hope that I am following the instructions listed at How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion?.
I would like ...
2
votes
1
answer
279
views
Why was my question closed?
I had a question that was on hold with a -1 vote. The vote increased to 0, presumably due to my edit. However, I see that it has been closed. I'm unclear as to why. The question is here:
Torsion and ...
12
votes
0
answers
192
views
Remove substantial tag score requirement for suggesting tag synonyms?
I have recently attempted to create the obvious tag synonym 'dg-algebras' <--- 'differential-graded-algeb'. However, my attempt was thwarted by the system's insistence that I need five total score (...
4
votes
1
answer
84
views
Searching for questions without a certain tag
Is it possible to search the main site for questions which do not have a certain tag?
8
votes
0
answers
153
views
Appropriate procedure for removing little used tags which are too specific
What is the correct procedure for removing tags which only have a single question, and would be better off with a less specific tag?
My example is a question which was tagged 'relative-entropy'. ...
7
votes
2
answers
691
views
Loss of reputation because a "user was removed"
I just noticed that I lost 10 points of rep because "user was removed". I don't get it.
4
votes
1
answer
122
views
Order of answers
Looking at the answers on a recently closed CW post about applications of pure math, I noticed that the answers were ordered by time posted, and not votes. Is this a new change? Is there a way to ...
10
votes
0
answers
588
views
On "How does the work of a pure mathematician impact society?"
The question How does the work of a pure mathematician impact society? was originally quickly closed, relatively quickly reopened, after a longer time closed again and has at the time of this edit a ...