Recently Active Questions
1,909 questions
27
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2
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MO policy regarding pseudonyms that are other people's real name
I have noticed just now that a user has chosen as pseudonym "Alexander Grothendieck", which I'm a bit unconfortable with (the probability that it is also that user's name is extremely low, hence my ...
- 4,713
1
vote
0
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120
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There is no any answer box for this post
I would like to add an answer to this question but there is no any answer box for this question.
What is the reason?
Nonequivalent definitions in Mathematics
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4
votes
1
answer
319
views
Posting a technical/narrow open question on mathoverflow?
I am a bit confused on our policy for open-problems. Are we allowed to post a technical/narrow conjecture/open problem on MO?
For example, here is a type of a beautiful question that I have in mind ...
- 13k
-8
votes
1
answer
247
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Is asking to verify my P=NP proof appropriate?
Is providing link to my (8 pages) proof of P=NP and asking to check my proof appropriate for a MathOverflow question?
The proof is on professional mathematician level (uses advanced logics) and does ...
- 4,713
0
votes
0
answers
128
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Is deleting posts a good practice?
In principle, MO posts can be cited in papers; on the other hand, MO posts get deleted sometimes. There is a risk, then, of referring a MO post which no longer exists. Is deleting posts a good ...
- 5,407
6
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0
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849
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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 ...
- 16.2k
13
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2
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411
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The tag (elementary-number-theory) - yes or no?
The tag elementary-number-theory was created and removed a few times in the past. And recently it was created again - it is still listed among the new tags.
Should there be a separate tag for ...
- 4,713
2
votes
2
answers
195
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Writing personal notes on specific questions
It would be nice to be able to add non-public notes for oneself on interesting questions on MO (of which there are very many), for later remembrance and further thinking on it. These notes can remain ...
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33
votes
0
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598
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Moderation strike update 5 : the results of negotiations
The negotiations over the strike have ended with agreement addressing all the issues raised by the striking moderators. The post on meta.StackExchange was vetted and agreed to by both sets of ...
- 35.5k
37
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0
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Moderation strike update 6 and last : back to work
As you probably were aware, since early June moderators around the whole SE network have been striking, including at MathOverflow. We appreciate your patience through this time, and there has been a ...
- 35.5k
18
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"In the past one and half years, Stack Overflow has lost 50% of its traffic."
In a tweet by Mahesh Sathiamoorthy, I saw a chart showing a substantial recent drop:
Two questions: (1) Is this accurate? (2) What does the analogous chart for MathOverflow show?
(I can't remember ...
0
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1
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128
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Are questions about mathematical writing acceptable on the main site?
I have a question concerning mathematical writing, a draft of which is posted below if you are interested. The question I wish to ask on Meta however is about whether questions concerning mathematical ...
- 5,407
29
votes
4
answers
1k
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What would be the disadvantages of a (hypothetical) MOexit?
The hypothetical possibility of MO leaving StackExchange was mentioned here on meta.MO a few years ago and was mentioned again recently. In a comment, Sam Hopkins asked what I think is a good ...
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0
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Transferring a misplaced question after it has a positively received answer
I recently goof'd and forgot that hsm.stackexchange exists, and posted a history of mathematics question here.
This was kindly pointed out to me by a user here, but the question already had a ...
- 10.1k
33
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0
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646
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Moderation strike update 4
This update is to point to two posts by the company on the platform-wide meta site, Meta Stack Exchange.
The post (Historical) Policy on the use of GPT Generators is a copy of the private policy on ...
- 35.5k
-4
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1
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450
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Should Mathoverflow take a stand against AI?
I am a mathematician with a PhD from 2016 and a long-term user of this website, though I've not been active of late.
I am wondering, should Mathoverflow take a stand against Stackexchange for their ...
2
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1
answer
239
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Why would an equation render on preview and in an external TeX compiler, but not in post?
I know the general phenomenon is that rendering of previews differs from rendering of posts, but, presumably, the goal is to minimise unnecessary discrepancies—and that, in particular, non-esoteric ...
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29
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0
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522
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Moderation strike update 3
There was a lull in the negotiations, for various innocuous reasons that are not relevant. But on 20th July 2023, the following update was posted to Discord by negotiator Mithical, and reposted at the ...
- 35.5k
3
votes
1
answer
139
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Why does a table work on preview but not on post?
In waterstreamer's recent post, they used a table to present the possible Jordan normal forms of a $3\times3$ matrix. As they comment, and I checked, the table looks just fine on preview, but ...
- 1,446
8
votes
1
answer
221
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Remove [tag:slick-proof] or make it a synonym of [tag:alternative-proof]
@YCor made a suggestion in an answer to another post (What is the intended use of the (proofs) tag?) a bit over a year ago. It received several upvotes, but does not appear to have been acted upon. ...
- 13k
8
votes
0
answers
383
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Will the closure of Gfycat affect MO?
Gfycat is a hosting service for (animated) GIF files, which will close on September 1st, 2023. Since some MO users might have included GIF files hosted on Gfycat in their posts, does the service's ...
- 20.2k
2
votes
0
answers
76
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How do backticks, escaped backticks, and math mode interact, in posts and comments?
I know I can escape backticks, like `.
I though I could escape backticks within backticks, as I did in a comment, but it's not working here: a\b`. See a comment ...
- 13k
5
votes
2
answers
195
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Why do `* *`s and `** **`s stop being recognised at some point, and how can I fix the resulting inadvertent vandalism?
I recently submitted an edit to Another notion of exactness: how to refine it, and where does it fit? to replace hand-rolled commutative diagrams with AMScds, since ...
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40
votes
0
answers
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Moderation strike update 2
There has been movement at the station. Reposting an update on how the negotiations are going from this answer on meta.StackExchange, which also gives details on other updates over the past fortnight.
...
- 35.5k
2
votes
1
answer
106
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Custom filter is stuck on
I had a custom filter for questions in tag co.combinatorics with no answer. It seems to be "stuck" in the sense that if I go to the "generic" page for that tag, https://...
- 1,446
3
votes
1
answer
2k
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Writing a bar on top of a number
I want to write a question in which I have a bar on top of a number or letter to represent a recurring digit. however, I can't find any options to write the particular digit, even when I search the ...
- 4,713
2
votes
1
answer
359
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How can I improve my posts to attract responses?
This is a follow up to this post:
I haven’t received a response from either this or this post, since, according to @Asaf Karigila:
"The longer, more detailed, more effort that is required to ...
- 10.1k
10
votes
2
answers
327
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What is the tag [derivations] for?
Since the tag derivations has no usage guidance at the moment, I do not know when it should be used, which is unfortunate.
- 20.2k
48
votes
0
answers
963
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Moderation strike update 1
As announced a little while back, MathOverflow moderators are participating in a network-wide moderation strike (currently at 121 moderators striking; see the background post for more details). The ...
- 13k
90
votes
3
answers
2k
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Stack Exchange moderation strike
You may or may not have heard that there are some controversies around moderation on the network, specifically in relation to the moderation of GPT-produced posts, but more generally around lack of ...
- 5,342
15
votes
5
answers
1k
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Public dumps for mathoverflow?
As far as I remember, there was supposed to be a public dump of the MO database just before the migration: http://dumps.mathoverflow.net/ . Not an urgency by any measure, but something that would be ...
- 35.5k
2
votes
1
answer
316
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Why suspend a user for 100 years instead of deleting his/her account?
I have just discovered that users can be suspended for 100 years. This raises the question: why suspend for such a long duration (which practically means banning), instead of simply banning (i.e. ...
- 35.5k
1
vote
0
answers
94
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Making my post easier to read
I tried to make this post easier to read but find it extremely difficult to get through grammatical-wise.
I'm wondering if there is someone who can correct the grammar of this post or rewrite the ...
- 63
32
votes
1
answer
919
views
Problematic phrasing of Stack Exchange terms of service
There's a problem with how the Stack Exchange terms of service are phrased. Currently, they include the following paragraph:
In the event that You post or otherwise use Subscriber Content outside ...
63
votes
3
answers
2k
views
Is there a software solution if we do cut the cord from SE?
There has been some recent concerns about MathOverflow's relationship with StackExchange: see
What is MathOverflow's "agreement" with Stack Exchange?
How much is MathOverflow exposed to ...
- 20.2k
35
votes
1
answer
692
views
Opt out of the new upvote/downvote buttons?
I guess most of you have noticed by now the new upvote/downvote buttons. This seems to be in line with all the other SE sites (though I admit I haven't checked each and every one of them).
Does MO ...
- 56.9k
7
votes
1
answer
225
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Having the MO Mathjax parser recognise \( \) is a regex away
@IsabelBeckenbach discovered why \( \) isn't accepted as a math-mode delimiter on MO. I'd always thought it was a design choice, but apparently it's just a mis-...
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2
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0
answers
102
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Some arrows in commutative diagrams in comments are wrongly interpreted as @-notifications; and a bonus question about CDs on MMO
I left the following comment on Pullbacks in this category of vector spaces are intersections:
Are the morphisms in your category isometries? Otherwise, I'm not sure why the category is left ...
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9
votes
3
answers
492
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What should we call a tag on point-free topology?
The tag currently used for point-free topology (aka “pointless” topology) is “locales”. I think the name is a bit restrictive: while writing this question (which, indeed, does not contain the word “...
- 35.5k
6
votes
1
answer
242
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My gravatar has changed
My automatically generated Gravatar has changed. Is that normal? I thought they were supposed to be permanent. I used to have a purple pattern IIRC, now it is light blue, a color I have never seen. It ...
- 4,713
9
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1
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473
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On the tag [bitcoins]
Since several questions under the tag bitcoins have nothing to do with Bitcoin per se, but, rather, are related to proof of work, why not rename the tag cryptocurrencies or proof-of-work?
4
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0
answers
225
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I don't succeed in hiding paragraphs using >!
I found here in the spoilers paragraph that putting >! would hide the following
things, which was a way for me to alleviate a question's heavy presentation by hiding
paragraphs that could be seen if ...
- 4,713
17
votes
1
answer
614
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imgur will remove some content soon. Does MathOverflow need to save images?
It has been reported that "Hosting site Imgur will remove explicit and anonymous content next month". Are there possibly some images linked in MathOverflow questions or answers, attached to ...
- 35.5k
24
votes
2
answers
827
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Revisiting our policies on thank-you comments
Despite the little notice in the comments section telling us that comments along the lines of 'thank you' aren't welcome because they don't move the discussion forward mathematically, I have always ...
- 4,713
4
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1
answer
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Looking for an answer (written by Thurston = user9062)
I recall that Thurston answered a question, showing that a particular graph braid group is the fundamental group of a three-manifold. I even recall that the answer proved that the three-manifold was ...
Stefan KohlMod
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25
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1
answer
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Jean-Christophe Yoccoz
I've heard today that Jean-Christophe Yoccoz passed two days ago:
Le mathématicien français Jean-Christophe Yoccoz, médaille Fields, est mort [archived], Libération, 05.09.2016.
I think people would ...
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10
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1
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Citation helper: can we have it automatically convert \(...\)s into \$...\$s?
Here is an example output of the citation helper in the case where the citation's title contains $\rm\LaTeX$ code (random paper found by searching for L^\infty)
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84
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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 ...
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6
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815
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I have a question which is a near fit for MathOverflow. What are some other resources I might consult?
What are some other resources which might be useful for somebody considering asking a MathOverflow question, especially if their question is not quite a perfect fit here?
In asking this, I have ...
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7
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1
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527
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Repeated re-open/close votes (Tate conjecture)
The question Tate conjecture (Proved?) was asked yesterday, and quite quickly closed; it was then re-opened, and then closed (by, I think, a different set of 5). Questions about proofs of correctness ...
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