Questions tagged [tags]

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An interactive graph of MathOverflow tags

I created a graph of tags from Stack Exchange sites (including MathOverflow), TagOverflow. It is a continuation on my previous project - plots with static graphs and (sadly) without MO (due to API ...
Piotr Migdal's user avatar
  • 1,592
20 votes
0 answers
758 views

Which "non-arxiv" tags are de facto top-level tags?

The tag system on MathOverflow is designed in such way that each question should contain top-level tag; these are the tags which correspond to subject areas on arXiv and generally have format such as ...
Martin Sleziak's user avatar
18 votes
0 answers
527 views

What "lattices" do we need?

The tag lattices is a problem since a long time. Over the years there were varied discussions about this, but no clear resolution emerged, though some things were done to better the situation. This is ...
user avatar
17 votes
0 answers
582 views

The existing deprecated tags should be blacklisted

TL;DR: I suggest to blacklist the deprecated tags that still exist on some questions, in order to prevent them from being added to new questions. There are a few tags which are deprecated and should ...
Martin Sleziak's user avatar
14 votes
0 answers
215 views

Which questions should be tagged “reference-request”?

The reference-request tag is currently described as: “this tag is used if a reference is needed in a paper or textbook on a specific result.” I have found current usage of this tag too broad to be ...
user avatar
13 votes
0 answers
351 views

What should the tag (open-problems) be used for?

Since this issue came up in comments to another questions on meta, I'll ask about the intended issue of the open-problems tag. Question. What is the intended usage of the open-problems tag? Should it ...
Martin Sleziak's user avatar
13 votes
0 answers
161 views

Improve management tools of favorite and upvoted questions/answers

Here is my wish list: When one marks a question as favorite or upvotes it, give a chance to: Mark the question with a private tag. Add a private comment to the question. Its length could be limited ...
Adam Przeździecki's user avatar
13 votes
0 answers
433 views

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
12 votes
0 answers
428 views

Removal of the "symplectic" tag

There is a symplectic tag on MO that currently contains just two questions. The first question so tagged dates from March 26 2017, so this makes this tag at least 1 year and 4 months old. I believe ...
Alex M.'s user avatar
  • 5,207
12 votes
0 answers
248 views

Tag for errata of books

Navigating MO, it is possible to view two kinds of questions regarding errors within a book. The first kind are community-wiki questions which answers are a collaborative listing of found errors in a ...
Tadashi's user avatar
  • 1,580
12 votes
0 answers
192 views

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
11 votes
0 answers
354 views

Role of the tag "gm.general-mathematics"

This question is about the tag gm.general-mathematics. A meta question about it already occurred here, but was less specific (and didn't generate much discussion). See also the discussion in the ...
YCor's user avatar
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10 votes
0 answers
352 views

What to do with the synonyms for the deprecated tags?

Recently, the following tag synonyms were created by a MathOveflow moderator: abstract-algebra $\to$ ra.rings-and-algebras, geometry $\to$ mg.metric-geometry and discrete-mathematics $\to$ co....
Martin Sleziak's user avatar
9 votes
0 answers
287 views

New tag for "stochastic partial differential equations" (SPDEs)

Since there are separate tags for a) ODEs, ca.classical-analysis-and-odes and differential-equations and for b) ap.analysis-of-pdes but only one tag for stochastic-differential-equations, I was ...
Thomas Kojar's user avatar
  • 4,414
9 votes
0 answers
310 views

Why are there two separate tags (open-problem) and (open-problems)?

I assume that most likely this was just an oversight - but since it was a result of a moderator's action, it is probably better to ask than just remove the tag singlehandedly.1 Question: At the moment ...
Martin Sleziak's user avatar
9 votes
0 answers
350 views

Suggested tag: approximation-property

I'm relatively new to MO (but have been on MSE for a longer time), which means that I don't have enough reputation to create new tags. Which is probably a good thing. Lately I've been puzzling with ...
J. van Dobben de Bruyn's user avatar
9 votes
0 answers
77 views

Tag suggestions on ask page

The ask page tag input box currently looks like this: The old ask page on MO 1.0 had a much more detailed description of what top-level tags on MO are: Since appropriate tagging on MO can be ...
François G. Dorais's user avatar
8 votes
0 answers
153 views

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
8 votes
1 answer
299 views

Tag for Fragments of Peano Arithmetic

There are quite a few questions on the main site related to (first-order) Peano Arithmetic and its fragments. Here are two examples: 1, 2 (but there are many others). It would be nice, and feels ...
Andrés E. Caicedo's user avatar
7 votes
0 answers
214 views

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
6 votes
0 answers
450 views

What is the correct way to handle questions with deprecated tags?

Occasionally some tags on MathOverflow are deprecated - it is decided that they should no longer be used. If a deprecated tag is only used in a few questions, then it can be removed manually - the ...
Martin Sleziak's user avatar
4 votes
0 answers
180 views

How should questions about (various meanings of) coverings be tagged?

The word covering has various meanings in mathematics. Quite often choosing a tag-name which has several unrelated meanings can lead to problems - typically bunch of rather unrelated questions end up ...
Martin Sleziak's user avatar
4 votes
0 answers
89 views

list of tags in chronological order

Is there a way to see a list all tags in chronological order (date created). I know one can see 'new' created tags, but my question is about all tags.
Name's user avatar
  • 2,006
3 votes
0 answers
145 views

How to tag questions about databases of mathematical objects?

On MO there were several questions regarding databases of (some type of) mathematical objects. You can see the list of questions I was able to find here. What would be correct tag for such questions? ...
Martin Sleziak's user avatar
3 votes
0 answers
129 views

Migrated question and email notification

It seems that a migrated question does not appear in the email notifications of its tags. Question: Should it appear? By migrated question I mean a question migrated on mathoverflow, and by e-mail ...
Sebastien Palcoux's user avatar
3 votes
0 answers
89 views

Sorting users by tags

"Users" lists all users (ordered by weekly/monthly/../total reputation), each followed by a number of tags, related to his/her MO-activity. My question is: Is it possible to view the list of all ...
Pietro Majer's user avatar
  • 56.5k
3 votes
0 answers
186 views

Tag excerpt/wiki for computational topology

On MSE I am working on a tag excerpt/wiki for a currently non-existing computational topology tag. Please see this post on MSE Meta: https://math.meta.stackexchange.com/questions/13511/tag-creation-...
J W's user avatar
  • 748
3 votes
0 answers
89 views

What subject specific tags could replace the tag 'divisors'?

A few names are used in different subjects in mathematics with completely distinct meanings. A couple of common examples are "spectrum" and "regular". Sometimes, this creates ...
Ricardo Andrade's user avatar
2 votes
0 answers
167 views

Should algebraic-dynamics tag be made a synonym for arithmetic-dynamics tag?

Disclosure: On Meta at Mathematics Stack Exchange, I have asked whether an algebraic-dynamics tag should be created and made a synonym of the existing arithmetic-dynamics tag there, given the apparent ...
J W's user avatar
  • 748
2 votes
0 answers
133 views

The (tag-removed) tag and migration

Occasionally I have seen that for low-level questions (such as introductory calculus exercises or similar level) some user replaced the tags by the tag-removed tag1 - to indicate that the question is ...
Martin Sleziak's user avatar
2 votes
0 answers
104 views

Hadamard product (and other ambiguous tags)

There is this tag, hadamard-product; as can be seen e. g. on the Wikipedia disambiguation page, it can have four different meanings. I for one, attracted by it in a recent question (I badly need to ...
მამუკა ჯიბლაძე's user avatar
2 votes
0 answers
185 views

Why do we need the general-mathematics tag?

I recently came across the general-mathematics tag. It has no usage guidelines, nor do I think it should exist. Do any of you know the historic reasons for its existence, or think it should stay as it ...
Amir Sagiv's user avatar
  • 3,544
2 votes
0 answers
313 views

Do people want counterexamples in general topology that satisfy low separation axioms or high separation axioms?

When people ask general topology questions asking for a proof or a counterexample to a claim, people often do not mention whether they want a counterexample which satisfies higher separation axioms (...
Joseph Van Name's user avatar
2 votes
0 answers
161 views

Should the tags [inner-models] and [inner-model-theory] be merged?

Right now there are two tags for questions about inner model theory: inner-models and inner-model-theory. I can't see any difference in the type of questions being asked under these two tags. Should ...
Benedict Eastaugh's user avatar
1 vote
0 answers
79 views

Create usage guidance for 2-categories tag

The 2-categories tag has no usage guidance, can you help us create it? This is what the 2-categories tag page https://mathoverflow.net/questions/tagged/2-categories says. Can some one create usage ...
Praphulla Koushik's user avatar
1 vote
0 answers
180 views

Is MathOverflow missing a tag for ODEs?

TL;DR: Is there a tag which is intended (only) for ordinary differential equations? If not, should there be one? The situation with the tags related to ODEs seems a bit unclear to me. AFAICT there is ...
Martin Sleziak's user avatar
1 vote
0 answers
81 views

Does it make sense to have both "surfaces" and "curves-and-surfaces" tags?

I have noticed that there currently exist tags surfaces (with description "A surface is a two-dimensional topological manifold. The term can also be used to describe a smooth surface, depending on the ...
Alex M.'s user avatar
  • 5,207
1 vote
0 answers
70 views

Tagging Answers?

Simple question: should the tagging of a question cover answers? Suppose I asked a question about a mathematical problem and in the answers contained for example: pointers to literature algorithms ...
Manfred Weis's user avatar
  • 12.6k
1 vote
0 answers
186 views

The tags (transcendence) and (transcendental-number-theory)

There exist tags transcendence and transcend.-number-theory (probably shortened from transcendental number theory to fit 25 characters limit for the tag name). At the moment, the tag-info is empty ...
Martin Sleziak's user avatar
0 votes
0 answers
116 views

"Singular Perturbation" is not among tags

Can I ask MO to define a new tag "Singular perturbation". I did not find this tag among the tag list. Thank you
Ali Taghavi's user avatar
0 votes
0 answers
90 views

"Conley index " as a tag

Is there a tag which can be related to methods on Conley index theory?I could not find a tag with this title.
Ali Taghavi's user avatar
-2 votes
1 answer
165 views

New tags: Functional Data Analysis, Time Series, Functional Time Series

In my opinion there should be at least the following two tags, I couldn't find: "Time Series", "Functional Data Analysis". Since functional data are used more and more and time series as a ...
Obriareos's user avatar
  • 195
-3 votes
1 answer
205 views

Should there be a separate tag for videos?

Sometimes there are questions about videos, movies, documentaries, etc. (I'll add a small sample below.) Would it be useful to have a separate tag for this topic? This could possibly help when ...
Martin Sleziak's user avatar