Questions tagged [hyperlinks]

For questions on usage of links at MathOverflow (both links to various parts of this site and to other sites).

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6 votes
2 answers
319 views

Citing papers in questions/answers

Is there an established policy for how to cite a paper you link to in a question/answer? If not, what does etiquette dictate appropriate for citations? I used to be careful to include full citations ...
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  • 6,591
19 votes
2 answers
833 views

Can (and should) Project Euclid links be replaced in bulk?

In February 2021, Project Euclid made some changes on their website: Project Euclid Platform Migration FAQs. It is probably a consequence of this that the links starting with ...
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2 votes
1 answer
48 views

Link not being processed

At What kind of topological invariants can you get from just Hopf algebras?, link [4] is not being processed: However, it is there in the source: ...
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  • 7,923
26 votes
5 answers
2k views

Updated: Is it time to replace links to the UCDavis arXiv frontend?

This question from March 2020 points out that many questions/answers link to papers at the http://front.math.ucdavis.edu/ frontend instead of at the arXiv itself, but that the frontend had been down a ...
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7 votes
1 answer
159 views

Unfortunate title length limitation when performing dead link maintenance

This question about disc projections has a link to an animation of a Reuleaux triangle spinning inside a square. "That sounds cool, I want to see what that looks like!", I thought. ...
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2 votes
1 answer
56 views

Why isn't the link processed in this comment?

At The concept of duality, it looks like the link in the comment is perfectly well formed. Why isn't it parsed as a link?
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3 votes
1 answer
77 views

`\DeclareMathOperator` at the beginning of a comment disables some link parsing

In a comment of the form $\DeclareMathOperator\a{a}$Here's a [link](http://mathoverflow.net) and [another link](http://mathoverflow.net) $\a$, neither link is ...
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  • 7,923
2 votes
1 answer
108 views

Is linking to comments possible?

I vaguely remember seeing links to comments somewhere, was it a dream or it is indeed doable?
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14 votes
1 answer
350 views

Any policies around Dead links?

I have been reviewing a lot of older posts (~10 years old) and there are quite a few with links that are either dead or links that point to sites that no longer contain the relevant information that ...
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  • 249
3 votes
1 answer
67 views

When are question titles auto-expanded?

Sometimes, pasting a link into the text auto-expands to the question title, and sometimes it doesn't. For example, to take a question transitively suggested by the related links: Is there an ...
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  • 7,923
8 votes
2 answers
362 views

What to do about gmane links in old answers?

Recently, while reading this answer, I noticed that the links such as this one to gmane.org don't work. After searching around for a while, I was able to discover that these mailing list posts are ...
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20 votes
1 answer
902 views

What to do with links to arXiv front end?

There are quite a few posts which link to some paper at http://front.math.ucdavis.edu/ rather than directly at https://arxiv.org/ The front for arXiv at UC Davis seems to be down for some time. (I ...
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6 votes
1 answer
162 views

What happened to the colours?

The colour of hyperlinks on the main site changed today. While basic links remain blue, they turn orange on hover, and a darker orange-brown colour when visited: I can’t imagine this awful colour ...
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14 votes
1 answer
406 views

Links with IP adresses rather than website names

I have noticed several posts with links to pdf files where IP address is used instead of domain name the url.1 (I will list them below.) Several of them seem to be dead. Moreover, this type of url ...
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8 votes
1 answer
260 views

Links to the reputation leagues are broken on MathOverflow

At the bottom of the users page you can find links to weekly / monthly / quarterly reputation leagues. Currently there is the following link: https://stackexchange.com/leagues/week/mathoverflow - it ...
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5 votes
0 answers
357 views

Deprecating an old link

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 ...
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  • 4,661
-1 votes
1 answer
74 views

Can external links to MO questions/answers be made more informative?

On several occasions I have sent by email links to MO questions or answers. They appear just like this - say, https://mathoverflow.net/a/287214/41291 Is it difficult to achieve that such links in ...
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13 votes
3 answers
488 views

Forbid (or rewrite) proxy links in answers

One can see from the recent discussion Correcting links with university proxy (especially MathSciNet links) that some users add in their posts links that only work for people behind a specific proxy, ...
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15 votes
1 answer
544 views

Correcting links with university proxy (especially MathSciNet links)

Let me first say, that I consider links to papers referenced in MO posts a useful things. And so do other users, judging by an older discussion on this topic: Is it worth editing old posts to add ...
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5 votes
2 answers
365 views

edits with links to material under restricted access

I have seen several times people editing a post to add a link to an article under restricted access/behind a paywall. By this I mean that the article is on some site requiring a login/payment before ...
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  • 17k
7 votes
1 answer
166 views

Right-clicking on a mathjax link does wrong thing

Surely I am not the only user of this site with this habit - if I want to have look at the linked content I right-click on the link to open it in a new tab, so when I finish reading I then turn to the ...
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11 votes
2 answers
452 views

Is there a way to find which MO questions/answers point to which others?

Every once in a while, an old question of mine (e.g., "$C^1$ isometric embedding of flat torus into $\mathbb{R}^3$"—approaching 5 yrs old) sees a minor flurry of votes. I presume this is because ...
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5 votes
1 answer
215 views

Stable url for linking

This question probably belongs to some more general meta but since most heavily I use links on MO let me still ask it here. Occasionally I link to materials which may disappear at some point - like ...
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31 votes
9 answers
1k views

Privacy of software-generated links to questions and answers

Recently I noticed that the software inserts the id of the currently logged in user in the “share” link of any MathOverflow question or answer. When one is logged out, the “share” link comes out ...
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6 votes
3 answers
376 views

How do I link to a MO answer?

Sometimes you see in answers or questions a link to an earlier answer to a different question. The url often is a mysterious sequence of digits and letters. How is it obtained? Linking to a question ...
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  • 2,357
7 votes
4 answers
582 views

Is it morally all right to link to a particular bookseller?

I've just answered a question on MO by introducing a book. I was about to hyperlink the book to a particular bookseller then suddenly I doubted if it is all right to do so. Is it?
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  • 2,259
22 votes
1 answer
702 views

Should OEIS links be updated?

Historic links to the OEIS are of the form http://www.research.att.com/~njas/sequences/A097048. These links no longer work: Neil has retired from AT&T, and in the meantime has set up the OEIS ...
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