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23 votes
0 answers
704 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 ...
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  • 27.1k
3 votes
1 answer
456 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?
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  • 1,139
1 vote
3 answers
1k 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.
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  • 1,139
11 votes
1 answer
429 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 ...
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4 votes
1 answer
395 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 ...
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7 votes
3 answers
774 views

Should we request a Private Message system?

One convenient thing on AoPS that is missing on MO is the private message system where you can send and receive private messages to other users without figuring out who they are outside the internet ...
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  • 52.3k
8 votes
2 answers
215 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 ...
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12 votes
5 answers
977 views

When a MSE user is suspended, should the suspension apply to MO as well?

I'm just asking. When an MSE account is temporarily suspended to cool down, then the expected outcome is that the user would start doing the same things on MO which led to the MSE suspension. This ...
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11 votes
3 answers
379 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 ...
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  • 2,219
16 votes
4 answers
2k views

Tags that encourage off-topic questions

MathOverflow has a few problematic tags which are not inappropriate by themselves but suggest off-topic ideas. A prime example of this is the calculus tag. Sometimes a research-level mathematics ...
11 votes
2 answers
1k views

Why adding a comment requires 50 reputation points?

When a new member tries to write a comment he sees “add comment (requires 50 reputation)” but of course he has no so many points. On the other hand, answering does not require any reputation. Then the ...
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  • 31
18 votes
1 answer
571 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 ...
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7 votes
1 answer
289 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 ...
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  • 17.9k
2 votes
1 answer
849 views

Does deleting an MO account delete other StackExchange accounts?

If a user deletes their account on MO will all the associated accounts on other StackExchange sites be deleted as well?
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6 votes
1 answer
266 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 ...
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129 votes
57 answers
17k 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? ...
10 votes
0 answers
238 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 ...
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  • 52.3k
9 votes
0 answers
630 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 ...
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36 votes
4 answers
810 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 ...
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9 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 ...
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16 votes
5 answers
1k views

Do we have an unofficial quota on how many old questions one should bump for minor edits in a single day?

I noticed tonight that a well-intentioned user has been doing a lot of minor edits of formatting of old questions with the effect of filling most of the active question list with old questions bumped ...
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14 votes
3 answers
1k views

List of recurrent technical problems involving MathJax

Edit: I have retagged this question 'feature-request' in an attempt to expedite action on these issues. I request that the MathOverflow developers implement an automatic fix of the issues in the ...
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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 ...
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23 votes
4 answers
2k views

Editing titles to include $\mathfrak{LaTeX \; Math}$

Should question titles, which sometimes intentionally avoid LaTeX math for those who choose faster rendering, be edited to insist upon LaTeX math? A recent instance that prompted my question is "two ...
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4 votes
1 answer
152 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 ...
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  • 28.7k
7 votes
1 answer
605 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, ...
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-5 votes
4 answers
706 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 ...
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8 votes
3 answers
1k views

Is it good practice to write "@someone" in a question?

On SE and on the old MO have seen @someone in a question. Probably this notifies someone in his inbox and draws his attention (which is the goal). Does it really ...
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  • 23.3k
4 votes
1 answer
158 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 ...
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3 votes
1 answer
352 views

Option to migrate to CS Theory

We should add the option to migrate to Theoretical Computer Science when voting to close. This question is an obvious candidate.
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12 votes
0 answers
633 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 ...
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  • 3,537
4 votes
1 answer
273 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 ...
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  • 31.1k
8 votes
0 answers
124 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): ...
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11 votes
2 answers
874 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 ...
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1 vote
1 answer
348 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 ...
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  • 24.4k
2 votes
1 answer
360 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-...
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  • 2,219
8 votes
1 answer
587 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 ...
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20 votes
2 answers
1k views

Ignoring certain users' postings

This old post on meta stackexchange contains a script that hides posts from users of your choice. There were some negative comments there and the script doesn't seem to be working anymore (maybe ...
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8 votes
2 answers
564 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. ...
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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 ...
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-14 votes
1 answer
386 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 ...
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15 votes
1 answer
494 views

Allow questions to be closed as duplicates of questions on math.stackexchange.com

We frequently have questions that are crossposted, e.g. https://mathoverflow.net/questions/137414/systems-of-parameters-for-algebra-a#question. The only options for now are to close as off-topic, ...
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6 votes
1 answer
270 views

How do I use the comment notification system?

I would like to take better advantage of comment notifications. Where can I find a complete account of how they work? For example, it appears that writing @FullUserName in a comment will lead to a ...
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2 votes
1 answer
277 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 ...
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  • 1,328
-4 votes
1 answer
427 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 ...
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12 votes
0 answers
188 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 (...
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6 votes
1 answer
281 views

Why aren't the Precognitive and Beta badges retired?

The Analytical badge is retired, presumably because it is no longer possible to obtain it. If this is not the case, please let me know. If it is the case, shouldn't the Precognitive and Beta badges be ...
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3 votes
1 answer
82 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?
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4 votes
1 answer
870 views

Is this non-technical question appropriate?

I am interested in asking the following question, and would like some indication as to whether it is appropriate or not before I do. The question would be entitled something like 'Mathematical ...
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8 votes
0 answers
152 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'. ...
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