As of May 31, 2023, we have updated our Code of Conduct.

Questions tagged [tags]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
8 votes
1 answer

How do I delete an accidentally created tag?

While posting this question, I meant to put the constructive-mathematics tag, but I accidentally just typed "con", thereby creating a "con" tag in MathOverflow. How can I delete it?
Keshav Srinivasan's user avatar
5 votes
5 answers

Two tags for partially ordered sets

There are currently two tags for partially ordered sets: posets and order-theory. In my opinion, they mean the same thing. I see three posibilities. Merge the tags. Make them synonymous. Keep them as ...
Gejza Jenča's user avatar
7 votes
0 answers

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
13 votes
2 answers

Usefulness of longer tags

This thread is meant as a place to discuss the utility (or lack of it) for longer tags. Currently, tags can have a maximum of 25 ASCII characters. That leads to interesting results such as ...
Ricardo Andrade's user avatar
8 votes
2 answers

'Tag-removed' tags where they possibly shouldn't be

See Why is differentiating mechanics and integration art? Which functions of one variable are derivatives ? both of which are tagged [tag-removed]. Also, both of these seem to have had these tags ...
David Roberts's user avatar
  • 32.2k
16 votes
4 answers

Tags that encourage off-topic questions

MathOverflow has a few problematic tags which are not inappropriate by themselves but suggest off-topic ideas. A prime example of this is the calculus tag. Sometimes a research-level mathematics ...
12 votes
0 answers

Remove substantial tag score requirement for suggesting tag synonyms?

I have recently attempted to create the obvious tag synonym 'dg-algebras' <--- 'differential-graded-algeb'. However, my attempt was thwarted by the system's insistence that I need five total score (...
Ricardo Andrade's user avatar
8 votes
0 answers

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
7 votes
4 answers

How should I use the meta-tags [feature-request], [bug], [support], and [discussion]?

On meta, each post must be classified into one of four classes. Which should I use? Note that in addition to these four classes there are numerous other tags on meta that can and should be used in ...
21 votes
5 answers

What should be the policy on "open problems" on MO?

The subject of this discussion are questions on "open problems" on MO. There is an existing policy on "open problems" reproduced from the (old) FAQs, which involves an open-problem tag. The ...
user avatar
4 votes
2 answers

What is wrong with the tag excerpts?

Looking at the list of tags it seems that all the tags are surrounded by html <p>...</p>. This seems to be happening ...
Ricardo Andrade's user avatar
13 votes
0 answers

Use of arXiv tags

When MathOverflow began we decided to start using arXiv classification and created corresponding tags. These are still the most broadly used tags on MathOverflow. However, the usage of some these tags ...
François G. Dorais's user avatar
17 votes
24 answers

Help improve tagging!

Please help by writing tag wikis for your favorite tags! Use answers to this post to suggest tag synonyms. Finally, if you're a 10k+ user, note how easy it is for you to edit tags now!

1 2