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29 votes
Accepted

What to do with links to arXiv front end?

If it's been down for a few weeks it's too early (as you say) but a good idea to mention it now. Your query points to about 600 answers, this is a lot, so the hope, if it's once judged time to make a ...
YCor's user avatar
  • 60.9k
17 votes
Accepted

Any policies around Dead links?

I guess I usually act as follows: a) If I know how to fix the link (typically, link points to an identifiable paper), I either edit accordingly, or add the link as a comment (I might even provide 2 ...
YCor's user avatar
  • 60.9k
13 votes

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

Let us collect here various formats of the links to Project Euclid which no longer work. (Some of those following links also appeared in variants with https instead ...
13 votes

Links with IP adresses rather than website names

Do they work for other users? (When I tried the links, I did not get the files. But it's possible that I am the only person with the problem.) I think they aren't user-dependent; they are just rather ...
darij grinberg's user avatar
13 votes

edits with links to material under restricted access

There is a good reason for linking to a paywalled link. It is usually the official journal link. It is likely to contain the accurate citation information, it is likely to stay on the web for longer (...
Asaf Karagila's user avatar
  • 37.9k
12 votes

All these invalid weblinks

I think that many people around here are aware of problems with dead links and they do their best to help. (And the same is true about many other sites on the Stack Exchange network.) One thing is ...
Martin Sleziak's user avatar
10 votes

Forbid (or rewrite) proxy links in answers

It could be reasonable to collect some past examples of such proxies. This would help in assessing whether something like this is technically feasible. (And maybe also to which extent implementing ...
10 votes

edits with links to material under restricted access

On my opinion, links with restricted access are legitimate and desirable when there is no free link to a particular book/paper. After all, this is a site for professional mathematicians, and majority ...
Alexandre Eremenko's user avatar
10 votes

Hyperlink in a comment?

To make a link in a comment you can use the [text](url) syntax. (And, of course, you can use simply a bare URL - but I assume you want something nicer. Having some ...
Martin Sleziak's user avatar
9 votes

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

As of 29 March 2022, I claim all the links in questions and answers to front.math.ucdavis.edu that predate April 2007, when the arXiv moved to the new, uniform ...
David Roberts's user avatar
  • 34.3k
9 votes

Citing papers in questions/answers

I would say that to some extent this could be simply based on common sense. And perhaps you could take into account your estimate whether you think that your answer (and the link/citation) might be ...
Martin Sleziak's user avatar
8 votes

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

I've reviewed your request and - while I'd generally want to say "yes, we can do this" - in this case, I'm sorry to say that I don't think it will be possible - at least, not without some ...
Catija's user avatar
  • 101
7 votes

What to do about gmane links in old answers?

I've managed to find copies of 6 links in 5 posts which were archived in the Wayback Machine, and they have been updated (thanks for reviewing!) I might have missed some, but the main challenge is ...
Glorfindel's user avatar
  • 2,741
7 votes

Citing papers in questions/answers

I post my comment as an answer: it is definitely good to use the citation helper (see New feature - citation helper). It makes citation easy, and puts all the information needed into the post. Ideal ...
András Bátkai's user avatar
7 votes

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

As some of you may have noticed, I have a script which repairs broken links / images, with some more options than the mass-replacement tool available to Stack Exchange staff. It can do all kinds of ...
Glorfindel's user avatar
  • 2,741
7 votes
Accepted

Is linking to comments possible?

To get a link to a comment, simply click on the timestamp next to it. (If it is your comment, be careful not to click on "Delete" by mistake.) For example, this is a link to the first ...
Martin Sleziak's user avatar
7 votes

Should we allow link-only answers that point to stable, well known and respectable sites?

I propose to adopt this policy: link-only answers should not be deleted, as a general practice. They are at least a partial attempt to answer, and contain useful information that should not go lost. ...
Federico Poloni's user avatar
6 votes
Accepted

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

Thanks for raising this one to our attention. We've now executed the requested changes on Math Overflow. However, it looks like, given the work y'all put in, this change set is relatively issue-free, ...
Slate's user avatar
  • 101
6 votes

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

At this moment, it is unclear whether a project like this should be done. (After all, until we heard from people running the arXiv frontend, we still should count as a possibility that it will be ...
5 votes
Accepted

Forbid (or rewrite) proxy links in answers

I've added a warning similar to what Martin Sleziak suggests: The warning looks for words1 that include the string proxy and later ...
Jon Ericson's user avatar
4 votes
Accepted

When are question titles auto-expanded?

When is the question title auto-expanded? Whenever you link in a post (not a comment) to a question, i.e. a link starting with https://mathoverflow.net/q/ or https://mathoverflow.net/questions/, ...
Glorfindel's user avatar
  • 2,741
4 votes

What to do about gmane links in old answers?

Since it seems that this is not common knowledge, I'll add an explanation of one way that gmane can still be accessed. I know there are some people knocking about here who were accessing email in ...
Robert Furber's user avatar
3 votes

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

There's a minor bug in the tool we use to run these replacements that causes the tool to break for this particular format of link. Unfortunately, this means we won't be able to handle this particular ...
Slate's user avatar
  • 101
3 votes
Accepted

Link not being processed

Apparently you need to let the <hr> tag its own paragraph. I fixed it now.
Asaf Karagila's user avatar
  • 37.9k
3 votes

Unfortunate title length limitation when performing dead link maintenance

If things are actually as you say they are, I don't think anyone could object to you cutting the second part of the title and then pasting it at the start of the body.
Gerry Myerson's user avatar
3 votes
Accepted

Why isn't the link processed in this comment?

There's a space between the [link text] and the (link itself). This is visible in e.g. SEDE:
Glorfindel's user avatar
  • 2,741
3 votes

Correcting links with university proxy (especially MathSciNet links)

Links to Mathscinet and other similar sources cannot be "fixed" to work for all. Mathscinet indeed requires subscription. The ways to use it varies from one university to another and sometimes depend ...
Alexandre Eremenko's user avatar
3 votes

How do I link to a MO answer?

I have noticed that this was discussed in the comments to this question: Privacy of software-generated links to questions and answers. (Which was bumped not too long ago. The linked discussion mostly ...
Martin Sleziak's user avatar
3 votes

Forbid (or rewrite) proxy links in answers

Let me add another suggestion how to handle this - with already existing tools, without any need to implement something new. (It is probably not worth to create a separate question for this - I am ...
Martin Sleziak's user avatar
3 votes
Accepted

Links to the reputation leagues are broken on MathOverflow

As of last week, we also check for .net as a possible way to complete a valid domain, so ...
Adam Lear's user avatar
  • 101

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