# All Questions

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259 views

### Triangle commutative diagram does not work here at MO

I frequently tried to draw a triangle commutative diagram similar to the definition of projective modules for this question. A module associated to an endomorphism of a vector bundle so I ...
91 views

### What is the procedure to initiate merging of questions?

My previous question What to do with useful answers to questions closed as duplicates (or by some other reasons)? got an answer which satisfied me entirely: if a duplicate question has got a nice ...
368 views

### Problem with this (or any) basic research question?

At the end of 2017, I posted a question here. I was looking for references for something that is very clear and intuitive, but not really mentioned ANYWHERE. I got no answer, but a few comments which ...
167 views

### Giving “bountied questions” more visibility weight

What community thinks about idea giving "bountied questions" more attention ? I almost never look on the tab "featured", I guess I am not alone. So I guess such questions deserve little attention. ...
250 views

### Let Mathematics be a wild beast

I think the mathematics is a subject that should not hesitate to question any of it's old truths, as it enjoys the status of being foundation of the truth for most other sciences. However, I'm seeing ...
587 views

### 2018: a year in moderation

Good morning, all! I'm a Community Manager here at Stack Exchange; some of you might remember me from classic answers such as a temporary change now approaching 6 years live and a list of possibly ...
733 views

### “A year in moderation” post on MathOverflow?

You might have noticed than many Stack Exchange sites have some statistics about both community moderation and moderators' activity posted on meta under the title "2018: a year in moderation". Here is ...
480 views

### Are edits performed by external, non-SE robots allowed?

During my reviewing of Suggested Edits, I have encountered several of them attempted by user @Glorfindel. Upon closer examination, all were performed by a robot written by him and all consisted of ...
148 views

### Migrated to MSE, did not get enough attention. What to do?

This question is migrated to MSE from MO. It did not get enough attention in MSE even after offering bounty. Another question with a bounty with not even a single comment. I think topics like ...
241 views

### Update outdated links in the list of suggested alternative sites

The part of help center What kind of questions should I not ask here? (Wayback Machine) contains at the moment the following formulation: "But there are lots of other math Q&A sites where your ...
1k views

### Swinnerton-Dyer passed away?

His wiki article has been updated to say that he passed away recently. Are there any other sources confirming that? Thanks. If it is more appropriate for another stackexchange site, please feel free ...
147 views

### Tag info for deformation theory tag

Deformation theory tag info https://mathoverflow.net/tags/deformation-theory/info is very minimal and says almost nothing: deformation theory is the study of infinitesimal conditions associated ...
347 views

### What about temporary design changes just to make better distinction from other sites?

It seems that the most common complaint about the new design is that the site looks very similar to other sites. (Especially Mathematics was mentioned a few times, probably because there are many ...
449 views

### In the new site design, what should the background look like on MO?

SE is giving us pretty limited options for how the site is going to look going forward. Our most popular customization request, judging either from Carlo Beenakker's original suggestion or the ...
546 views

### How can I customize site in my browser to get “old feel” look of MathOverflow?

It seems that some of the users are not too happy with the new design and prefer the old look. I will admit that I have not much experience with this stuff, but from I've read on various meta sites ...
109 views

### Is there a best day of the week for offering a bounty in MathOverflow?

I'm thinking that the weekend is not a good time to offer a bounty because people are less likely to be at work. So fewer people get to see the offer before it expires.
433 views

### Can anybody provide a clear list of design changes that are obligatory, with explanations?

With several heavily loaded questions here on meta and the StackExchange meta, - MathOverflow updated site theme is ready for testing! Responsive Design Themes - What can sites customize and how can ...
203 views

### Why is Math Overflow a .net website unlike all the other sites which are .com websites?

As stated in the title, MathOverflow is a .net website, unlike every other site I've seen in the SE network, which are all .com sites. Why is MathOverflow the sole .net site of Stack Exchange?
1k views

### Before MathOverflow

MathOverflow is almost ten years old now. Soon (if not already) the webpage will be old enough that some of the users may not have memories of the internet before MO. What were favorite (internet ...
803 views

### I don't like the new design and I am not the only one

MathOverflow isn't some experiment in website design. I knew where everything was and what colour it was meant to be. The tabs are now small and harder to click on. The colours are different shades ...
838 views

### How can we visually differentiate MathOverflow from MathStackExchange within the constraints of the new design themes?

The new design theme introduced for MO here is now live. Several issues with the new theme were raised in that discussion. I'd like to discuss one of them, which is sort of buried in my answer and ...
366 views

### What is the plan for the new site theme?

If you're like me, you might have been surprised to learn from this meta post that StackExchange is in the process of completely revamping the infrastructure underlying all of its websites to make ...
143 views

### Apparent bug in reputation calculator

Mine appears to be stuck at 2321 -- even though my answer here keeps getting upvoted: What definitions were crucial to further understanding?
841 views

### Can we please reopen the colorful language in mathematics question?

A long time ago, the question What are some examples of colorful language in serious mathematics papers? was closed because someone posted a copy of Spencer Bloch's review of Milne's Étale ...
120 views

Why am I not getting notification for comments to some answer to my question in inbox? Marc Hoyois’s last comment to my question $2$-fiber product is a scheme then map of stacks is representable did ...
194 views

### Should @ in referring to some one in comments be changed

Suppose I want to refer some person X in comments, I write @X. Suppose the name of that person is not in English script, it is not clear how to refer that person. Some times it comes automatically ...
268 views

### Who wrote the year of death in the profile page of the late William Thurston?

Prof. William Thurston passed away on Aug. 21, 2012. His MO profile page gives Feb. 22, 2012 as the date of his last log-in. Who is the person who wrote the year of his death in his profile page? Was ...
349 views

This question comes from this list of edits: https://mathoverflow.net/posts/86827/revisions An old answer included a link to a now-deprecated website (which has been taken over by a porn website); a ...
155 views

### Should there be Anonymous Comments?

I currently got a downvote for my question Making a Graph Eulerian for Applying TSP Heuristics, but unfortunately the downvoter didn't leave a comment explaining what the motivation was, thus ...
2k views

### Why was there pushback on a user's profile image?

The comments on the OP for the following question are disconcerting: Why is Voevodsky's motivic homotopy theory 'the right' approach? From what I can gather, the OP must have had ...
176 views

### Change reputation required to post on meta back to 5 reputation points

Typically, Stack Exchange sites have the restriction that only users with at least 5 reputation points on the main site can post on meta. In this regard, MathOverflow is different. (It is listed also ...
2k views

### MathOverflow updated site theme is ready for testing!

As part of implementing the new unified themes across the network, we're gradually rolling out updated site themes for each site. As of today, we have enabled your updated site theme for testing. If ...
290 views

### Are all terms clearly defined in Help fragments? If not, who can contribute?

I could be hypocritical and not specify the specific case that induced this question. But actually I am after a golden badge :D Its description says this: Ask a well-received question on 100 ...
454 views

### Why MO community forbide me and discourage me to do my research and to post my questions?

I'm confused why MO community forbids me many times to ask question however the last question that I have posted wasn't negative , Really this method of dealing is discouraging me and discourage all ...
99 views

I can’t login the ios app, how to fix this problem? Neither the overflow nor the exchange.
1k views

764 views

### tea.mathoverflow.net deprecated

The Stack Exchange staff have asked us to remove tea (what came before meta) from the *.mathoverflow.net domain, for security reasons. The content of tea will ...
1k views

### What to do when a post contains a “suspicious” link (possibly with copyrighted material)?

Occasionally there some posts on the main site contain links where it is very natural to suspect that the link provides access to some material without having the necessary legal rights. Should the ...
295 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 ...
307 views

### Tag referring to a book/ specific collection of problems

The scottish-book has been created today by one user, posting various questions from the given book, or adding references and retagging existing a few questions when they appear in the given book. ...
925 views

### What caused the spike in views and visits on September 23, 2018?

Just curious: What might have caused the spike in visits & views on that Sunday? A spike in the pulse of mathematics.       Screenshot from site analytics.
127 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 ...
203 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 ...
449 views

### Proper protocol for edit wars

In this question, I made an edit to change the formatting because I thought it was inappropriate (related meta discussion). The author swiftly reverted my edit to restore the original version, ...
801 views

### Is it OK to abuse Mathjax for emphasis?

The author of this question uses Mathjax (in a way different from its intended usage) to make parts of his question stand out more; for instance, to display some headers in red or to alter the spacing ...
139 views

### The meaning of the badge “Sportsmanship”

I would appreciate if you explain on the meaning of the badge "Sportmanship". It is described as below but I can not understand what does it mean. May you describe this badge in an equivalent words?...
342 views

### Is Mathoverflow aware of its role of popularizing mathematics? [closed]

I read book of prof. Michał Heller. He received award of Hugo Steinhaus for popularizing science. In his speech he mentioned Steinhaus in anecdote. In 1952 Secretary of PAN (Polish Academy of Science) ...
221 views

### Using results from refereed papers

If a question pops up which is answered by a theorem inside some paper I’ve refereed that isn’t in print yet, is it appropriate to answer the question and cite the (presumably) forthcoming paper or ...