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Using MO in China

I am on a business trip in Beijing and get the following error message when using MO: Question: can that somehow be fixed?
Manfred Weis's user avatar
  • 12.6k
8 votes
0 answers
763 views

Between math stack exchange and mathoverflow

Suppose that I posted a question on mathstack exchange and no one has answered it. In my opinion it is not enough reason to post it on mathoverflow but if I also awarded a bounty and still didn't get ...
truebaran's user avatar
  • 9,210
8 votes
0 answers
504 views

Downvoting and Closing of a Good Question

This seems to be a perfectly good (i.e. interesting and nontrivial) question that was downvoted and closed for mysterious reasons. As far as I can tell, the main objection is that the author ...
Steven Landsburg's user avatar
8 votes
0 answers
234 views

Can we bring back the question about Gauss-Legendre nodes and weights?

The question Computing Gauss Legendre Quadrature for Large N was voluntarily removed by its author, after I implied (with a link to Wikipedia) that the answer was trivial and well-known. I have ...
David Ketcheson's user avatar
8 votes
0 answers
151 views

TeX sometimes displays incorrectly on search pages

When I type a search into the search box, sometimes the list of questions returned contains incorrectly handled TeX (of the sort that once was common all over the place here). Here is an example: ...
Charles Rezk's user avatar
  • 26.6k
8 votes
0 answers
558 views

How does MathOverflow deal with the liability for the content of the site?

As can for example be read here and here, creators or webmasters of websites are responsible for the content of their website, even if the material leading to legal issues (for example disputes ...
Dilaton's user avatar
  • 408
8 votes
0 answers
315 views

Asking two questions, one of which implies the other

I have two statements, A and B, and I want to ask on MO whether they are true. They are not obviously related, but I have a (simple) argument to show that A implies B. Should I: Ask about both in ...
Nate Eldredge's user avatar
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 ...
Andrés E. Caicedo's user avatar
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): ...
Ricardo Andrade's user avatar
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'. ...
Ricardo Andrade's user avatar
8 votes
0 answers
119 views

why can't I link in a question?

I attempted to edit the question wrapping M5-branes on a Riemann surface so that it reads as follows: (begin edit) AdS/CFT gives us a way to use geometry to study field theory! I am trying to wrap ...
Todd Trimble's user avatar
  • 52.2k
8 votes
1 answer
298 views

Tag for Fragments of Peano Arithmetic

There are quite a few questions on the main site related to (first-order) Peano Arithmetic and its fragments. Here are two examples: 1, 2 (but there are many others). It would be nice, and feels ...
Andrés E. Caicedo's user avatar
7 votes
0 answers
80 views

The citation helper picks up a backlink to an MO answer when a DOI link is unavailable

In the citation helper, I searched for "Lectures on the approach to Iwasawa theory for Hasse-Weil L-functions via BdR". The unique result that shows up is the following (I've only edited two ...
The Amplitwist's user avatar
7 votes
0 answers
173 views

How is TeX rendered in edit summaries?

I recently edited a question Dynkin type classification for 2-dimensional hypersurfaces in non-commutative space, and entered as my edit summary "$<x,y>$ -> $\langle x,y\rangle$" <...
LSpice's user avatar
  • 11k
7 votes
0 answers
177 views

Diamond moderator symbols and old posts

This question, or rather, (vague) feature-request is not specific to MO; however I leave it to more experienced (and with better skill in writing English) users to possibly ask it elsewhere. ...
YCor's user avatar
  • 60k
7 votes
0 answers
271 views

`positive-characteristic` and `characteristic-p` are synonyms

I thought that tag synonyms were meant simply to be proposed and left to survive or die on their own, but I see another question in HNQ about tag synonyms, so maybe one is supposed to raise a ...
LSpice's user avatar
  • 11k
7 votes
0 answers
308 views

2020: a year in moderation

As we say goodbye to the old year and welcome the new one, we have a tradition of sharing moderation stats for the past 12 months. As most of you here are aware, sites on the Stack Exchange network ...
JNat's user avatar
  • 101
7 votes
0 answers
373 views

Misspelling of Cauchy-Schwarz

As a comment of Dennis Serre, the correct spelling of Cauchy-Schwarz is Cauchy-Schwarz (not Cauchy-Schwartz): The spelling is Cauchy-Schwarz, from Hermann Schwarz. If you are interested in Fourier ...
Mahdi's user avatar
  • 1,991
7 votes
0 answers
133 views

Two copies of a question

There are two cases in the last hour of questions which have appeared twice, with both copies appearing pretty much simultaneously: 313547 = 313548 313550 = 313551 Coincidence or bug? EDIT: I ...
Jeremy Rickard's user avatar
7 votes
0 answers
232 views

Editing an old post to add MathJax

Sometimes I come across an old post which does not use MathJax. Is it OK to edit such a post if the edit improves readability? This question (and its answers) motivated this post. I know some users ...
Michael Albanese's user avatar
7 votes
0 answers
337 views

Can Mathjax preview be switched off?

I recently typed an answer with a few formulas in it. While I was typing, my browser constantly reloaded the preview part below the typing window. Because MathJax apparently does three passes over the ...
Sebastian Goette's user avatar
7 votes
0 answers
119 views

Is the "Related" column available before posting a question?

When asking questions, I noticed that initially the list of related questions (down on the right) is not populated, and only appears after the question is already posted. Is it really so or I am just ...
მამუკა ჯიბლაძე's user avatar
7 votes
0 answers
774 views

Are these questions of mine, (seemingly too hard for MSE?), suitable for MO?

The questions at issue are this and this. If they get no answer even after the end of bounties, might I post to MO? And how about evaluating $\displaystyle \sum_{m=0}^\infty \sum_{n=1}^\infty \frac{(-...
Vincenzo Oliva's user avatar
7 votes
0 answers
297 views

Can I migrate this question to Mathoverflow?

I asked the question "Which sets occur as boundaries of other sets in topological spaces?" on MathStackExchange on June 23, thinking that the answer is probably known, but there are no answers yet. ...
N Unnikrishnan's user avatar
7 votes
0 answers
176 views

Seeing up/down votes of your own posts

When a user reaches 1000 reputation they become an established user. With that comes the ability to see the number of up and down votes on any post. While I have no problem with this privelege being ...
Michael Albanese's user avatar
7 votes
0 answers
214 views

Projective geometry tags

Would it make sense to merge the tag projective-plane and projective-space into projective-geometry? It doesn't seem useful to have to search for each of these separately.
Zsbán Ambrus's user avatar
7 votes
0 answers
13k views

Google Chrome not rendering Latex in browser

I have seen a solution to this problem for Firefox, but assume it is not the same for Chrome. This just started happening recently, and I have no idea how to fix it! Any mathematical typesetting on ...
Shinobii's user avatar
  • 101
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 ...
Michael Albanese's user avatar
7 votes
0 answers
123 views

Minor graphic glitch

Every time I see this I cringe a little: For comparison, the corresponding thingie in math.se always has the numbers centered in the circle.
Mariano Suárez-Álvarez's user avatar
7 votes
0 answers
58 views

Typography on login page

It needs some love: line spacing is off, alignment is off and a title overlaps with the input boxes.
Sklivvz's user avatar
  • 101
6 votes
0 answers
375 views

FirefoxCP Isolated Web Content CPU overdrive

Just recently, MathOverflow has started to cause Firefox to use massive CPU resources, at least on my machine. In particular, I'm on a Macbook Pro 2.3 GHz 8-Core Intel Core i9 running Ventura 13.4.1 ...
Dave Benson's user avatar
  • 11.2k
6 votes
0 answers
266 views

Might featuring some FAQ posts on meta be useful?

Among the things on the site which can be directly influenced by the site moderators (without any involvement of Stack Exchange staff), probably the community bulletin has the most visibility. The ...
Martin Sleziak's user avatar
6 votes
0 answers
265 views

Platform-wide suspenson but not on MO?

At this closed question the user seems to be playing ignorant, but I looked at their network profile and some of the other StackExchange sites, and there is a prominent banner This account is ...
David Roberts's user avatar
  • 33.3k
6 votes
0 answers
297 views

Nominate bountied question for closure

Bountied questions cannot be closed: this prompted this meta-MO question. In the answer to that question, the reasons for this feature are explained (closure would shorten the bounty period, possibly ...
6 votes
0 answers
332 views

Only one addtional @user

Why do we have this restriction? There are many circumstances where it is natural to cite several users (especially when several=two) in one comment.
Joseph O'Rourke's user avatar
6 votes
0 answers
110 views

Suggest edits while over 2000 rep

At 2000 rep, users gain the privilege that edits are applied immediately, and loses the ability to suggest edits. However, sometimes I find that I would prefer to suggest edits and leave it up to the ...
user44191's user avatar
  • 4,941
6 votes
0 answers
94 views

Tracing and Seeing deleted questions

Is there a way to search through deleted questions? Can a user reach his or her own old deleted questions? In the early days of MO I asked about similar sites in related disciplines and there were a ...
Gil Kalai's user avatar
  • 24.2k
6 votes
0 answers
284 views

Should I give a new answer or change the old one?

Related, but not exactly the same, to this question: "Should I rewrite my question, or create a new one?" Recently I gave a "quick and dirty" answer (in fact I just googled for getting it) to this ...
Daniele Tampieri's user avatar
6 votes
0 answers
631 views

Compulsive question editing

There is a user that is modifying a lot of question in the last couple of hours, in particular, converting to latex any plain text that he considers that should be in math mode. It is getting annoying ...
efs's user avatar
  • 3,089
6 votes
0 answers
218 views

No reputation change signals if subtracted from bounty?

Right now I am observing the following. Usually every time I get an upvote somewhere, I get a signal about it in the upper right corner. Recently I declared a bounty (and awarded it for an answer) at ...
მამუკა ჯიბლაძე's user avatar
6 votes
0 answers
130 views

Can we have a "cited by" in a right panel?

For math papers it is possible to check which other papers cite it. Can we have the same thing for Mathoverflow questions/answers? It would be nice to see next to the panels "related" and "linked", a ...
domotorp's user avatar
  • 18.2k
6 votes
0 answers
450 views

What is the correct way to handle questions with deprecated tags?

Occasionally some tags on MathOverflow are deprecated - it is decided that they should no longer be used. If a deprecated tag is only used in a few questions, then it can be removed manually - the ...
Martin Sleziak's user avatar
6 votes
0 answers
152 views

Merging old duplicates?

New to meta, so apologies for any breaches of etiquette. I've just noticed that these two old questions are duplicates: Smallest permutation representation of a finite group? Smallest n for which G ...
Robin Saunders's user avatar
6 votes
0 answers
229 views

What are the precise steps of processing a feature request?

There are many feature request posts on meta. Some of them turned into special features of Mathoverflow after receiving positive feedback of the community but most of them never became anything more ...
user avatar
6 votes
0 answers
238 views

Why does MathOverflow keep logging me out?

I'm getting tired of logging in to MathOverflow ten times a day. The other Stack Exchange sites I use keep me logged in, and so did MathOverflow until recently. What is different about MathOverflow? ...
bof's user avatar
  • 11.1k
6 votes
0 answers
770 views

Requesting solutions to graduate textbooks is off-topic?

Today this question was put on Hold as off-topic https://mathoverflow.net/questions/186117/solutions-for-categories-for-the-working-mathematician I wander if this is a disservice in fact. I suspect ...
Reimundo Heluani's user avatar
6 votes
0 answers
108 views

Can I associate my account to two gmail addresses?

I just changed jobs and so I got a new email account. Both are through Gmail. I prefer to keep them separate rather than trying to merge them. When I log in to MathOverflow I always verify using ...
David White's user avatar
  • 27.7k
6 votes
0 answers
208 views

Receiving a badge for an answer before providing the answer

I just noticed that I appear to have received two 'necromancer' badges before I even gave the corresponding answers: for instance, compare the dates on the list of badges with the date on this answer. ...
Ricardo Andrade's user avatar
6 votes
0 answers
521 views

What are mirrors of mathoverflow?

I am looking for mirrors of mathoverflow. Searching for questions so far found: http://lfhck.com/site/mathoverflow/1 http://mathdiscussions.aircraftdata.net/ http://hwnvoc.youdegreeearn.com/...
joro's user avatar
  • 24.2k
6 votes
0 answers
353 views

Should this question remain closed?

The OP of How to project a vector onto a very large, non-orthogonal subspace has written to complain that the question was closed unfairly. The question is too far from my area of expertise to be ...
Todd Trimble's user avatar
  • 52.2k

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