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Questions tagged [tagging]

Tags are keywords or labels that categorize and group your question with other, similar questions. If your post at meta is about suggesting new tags, choosing correct tags for some question, suggesting removal of some tag, this tag is appropriate for such question.

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Tag color: blue or gray

Is there a change in the appearance of tags in MSE?? It used to be blue in color but now it is gray. What is happening in Mathstackexchange?
MathStackexchangeIsNotSoBad's user avatar
2 votes
1 answer
65 views

Is a separate tag (differential-calculus) needed?

The tag differential-calculus was created several times in the past - almost always removed relatively quickly.1 The most recent incarnation was created in April 2024. This one still exists.2 We ...
Martin Sleziak's user avatar
6 votes
1 answer
429 views

Should the circle tag's description be modified to include disks?

I've asked a lot of questions about disks (example 1, example 2, example 3). There is no tag for disk, so I just choose the circle tag. But the circle tag's description is fairly clear about the scope ...
Dan's user avatar
  • 23.8k
1 vote
0 answers
103 views

Should we have a [monotonicity] tag? [duplicate]

I often encounter problems that require proving or finding the conditions for a function or sequence to be increasing, decreasing, or monotonic. For example, I recently asked this question about ...
pie's user avatar
  • 5,475
9 votes
0 answers
337 views

Guidelines for solution-verification and proof-explanation tags

Two posts I read today made me see what seems to me to be an inconsistency between the guidelines for the for the proof-explanation and solution-verification tags. The post with the solution-...
Rob Arthan's user avatar
  • 48.9k
1 vote
0 answers
59 views

On [counting], [enumeration] and [enumerative-combinatorics] synonyms of [combinatorics]

Currently, the tags counting, enumeration and enumerative-combinatorics are synonyms of combinatorics. This reflects what combinatorics was considered to be maybe 100 years ago, but modern ...
azimut's user avatar
  • 22.8k
4 votes
1 answer
144 views

Remove the empty tag (geometric-cyclicity)

Typically, the tags with no questions are automatically removed by a script which runs once a day, this process is called tag pruning. However, there is a known bug which causes that if both tags in a ...
Martin Sleziak's user avatar
0 votes
0 answers
39 views

request for a new tag [duplicate]

After reading the recent catenary question I realized there is no tag for "catenaries", despite it being a specific math topic with a lot of questions on here. If someone with enough ...
Nate's user avatar
  • 87
19 votes
1 answer
709 views

What types of mathematical writing questions are suitable for Mathematics Stack Exchange?

I find it quite strange that every time I discuss mathematical writing, some people suggest closing the topic. For example: Does 'hence' (thus, therefore) need a comma after it? How to avoid ...
licheng's user avatar
  • 2,306
15 votes
2 answers
237 views

Should the tag "generalization" be blacklisted?

The generalization tag contains no real mathematical content and does not help to organize the site in any meaningful way. Despite that, the tag has been recreated and deleted multiple times. It has ...
Xander Henderson's user avatar
  • 29.8k
8 votes
0 answers
386 views

The tags (minkowski-sums) and (sumset) - two separate tags or a synonym

The Minkowski sum and the sumset have basically the same definition: $$A+B=\{a+b; a\in A, b\in B\}.$$ As far as I can tell, the first name is more often used when we're dealing with vectors (i.e., in ...
Martin Sleziak's user avatar
-8 votes
1 answer
335 views

Don't close solution verification as dupe, instead remove questions with the tag of [solution-verification] appearing in search

Unless the dupe target contains exact question with exact same proof (without further generality), I'd recommend not closing as dupe. I know, it can be frustrating when one sees the same question ...
Babu's user avatar
  • 11.7k
7 votes
0 answers
261 views

Why does this suggested edit not show any tag changes I made?

A couple of days ago, I suggested an edit which was rejected, the reason being This edit introduces tags that do not help to define the topic of the question. Tags should help to describe what the ...
D S's user avatar
  • 5,143
7 votes
0 answers
76 views

Why is the tag (triangle) listed among the new tags?

When I look at the list of the newly created tags on Mathematics Stack Exchange, the tag triangle is listed there. This seems a bit unusual, because this tag is a synonym of the tag triangles and the ...
Martin Sleziak's user avatar
0 votes
0 answers
56 views

Fractional-Differential-Equation tag [duplicate]

Fractional Differential Equations are becoming very important. I propose to the community to consider it a tag, and also its abbreviation FDE. To give a flavor of its importance I'm including an ...
gciriani's user avatar
  • 424
17 votes
2 answers
983 views

When is a question 'recreational'?

I was going to tag this question as 'recreational-mathematics' because it is not directly related to core syllabus topics. Placing an integer's divisors around a circle But then I observed that I ...
JMP's user avatar
  • 21.8k
1 vote
0 answers
109 views

What is [euclidean-geometry] for?

Isn't Euclidean geometry the assumed default kind of geometry unless stated otherwise? What information is added by tagging a question as euclidean-geometry instead of just geometry? I suppose it ...
Dan's user avatar
  • 15.5k
9 votes
21 answers
1k views

Tag management 2023-present

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: “if I can't imagine a person ...
José Carlos Santos's user avatar
9 votes
1 answer
238 views

The tags (bookmarks) and (saves) on meta - synonyms or not?

Recently the functionality for bookmarks was completely overhauled and they are now called saves: Bookmarks have evolved into Saves. It is expected that eventually there will be some questions about ...
Martin Sleziak's user avatar
1 vote
1 answer
121 views

Why are there required tags in meta?

Every question requires one of the tags [feature-request], [bug], [support], or [discussion]. Why is this so?
mathlander's user avatar
  • 4,047
2 votes
5 answers
229 views

What is the utility of the contest-math tag?

I thought it was put to prevent cheating in ongoing contests, but I am unable to figure out what utility it is of when put on questions from a contest, for which knowing answers in the present is ...
Babu's user avatar
  • 11.7k
11 votes
0 answers
89 views

Should there be a model question tag?

Given the amount of material on the site now, I have previously asked questions about curating content better so it is more accessible. So this is an idea that may not work, but is designed to think ...
Mark Bennet's user avatar
3 votes
2 answers
122 views

Why can't I edit the tags of my post? Why do people not seem to be interested in it?

I have a question about my Mathematics Stack Exchange post: Trying to prove a proposition about the nth order derivative of a polynomial by induction - is this correct? I tried to add the proof-...
cdog's user avatar
  • 105
-8 votes
1 answer
224 views

Should the tag [soft-question] be blacklisted, after the EOQS?

A recent question tagged as soft-question made me wonder if this tag is outdated nowadays. After the EOQS made its way into this side, it does not really fit anymore. I skimmed shortly over the ...
Cornman's user avatar
  • 11.1k
4 votes
1 answer
303 views

About the proper tagging of questions on math.SE

There is a question I came across, and it was about the convergence of a Cauchy sequence in a metric space. OP considered the tags: convergence-divergence, sequences-and-series, general-topology and ...
Verónica Rmz.'s user avatar
16 votes
14 answers
1k views

Tag management 2022 [duplicate]

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: “if I can't imagine a person ...
José Carlos Santos's user avatar
3 votes
0 answers
121 views

Getting a tag badge that I already had

Today, I earned the normed-spaces silver tag badge. And not only me: as you can see here, the same thing happened to two other users. The problem is that all three ...
José Carlos Santos's user avatar
1 vote
1 answer
75 views

Did the profile tags change size?

I have noticed some changes to the profiles of Math Stack Exchange like not displaying last seen information and how many days you've visited the site (and your current streak). I also really enjoyed ...
Тyma Gaidash ٠'s user avatar
6 votes
0 answers
310 views

What is the etiquette of tag creation and editing?

In this years Tag management thread, I've suggested the creation of the tags hochschild-cohomology and a-infinity-algebras. Let's say for the sake of argument that this suggestion is well received and ...
SeraPhim's user avatar
  • 1,190
12 votes
1 answer
356 views

Misleading usage excerpt for the [coding-theory] tag

The usage excerpt for tag coding-theory reads: Use this tag for questions about source coding, error-correcting codes, error-detecting codes, and related algebraic and/or combinatoric constructions. ...
Rob Arthan's user avatar
  • 48.9k
92 votes
5 answers
2k views

Non-experts closing questions

I have recently noticed what, to me, is a pretty irking trend in the tag I contribute to most often (algebraic geometry). It seems to me that there is a contingent of 'serial closers' who insist on ...
Alex Youcis's user avatar
  • 54.3k
15 votes
0 answers
486 views

Is the [proof-writing] tag being applied in accordance with its usage guidance?

The usage guidance for the tag proof-writing says: For questions about the formulation of a proof. This tag should not be the only tag for a question and should not be used to ask for a proof of a ...
The Amplitwist's user avatar
0 votes
0 answers
36 views

Tag synonyms unable to display right quantity of questions

I'm new here and I've just found a small bug in tag synonyms. This bug appears in both main and meta Math Stackexchange. Some tags have synonyms, such as, in Math Stackexchange, tag span is a synonym ...
Alex-Github-Programmer's user avatar
0 votes
0 answers
43 views

How to decide if use [mathematical-astronomy], or just post to astronomy.SE?

Recently I have asked this question: Do all spherically symmetric stellar systems have zero anisotropy? I have also asked some other questions in this topic, ie Poisson's equation-like formula in ...
zabop's user avatar
  • 1,011
-2 votes
1 answer
67 views

Red Colored Tags Showing Up for Certain Tags and Questions is Confusing me. What do They Mean and Why are They Here?

Status-byDesign and faq are both tags that appear completely red when one tries to view them or put them into a question Here is what I mean: These appear to look like this because these tags are ...
Тyma Gaidash ٠'s user avatar
-5 votes
1 answer
313 views

answered on math overflow tag

I notice that a number of questions are "unanswered" because in a comment it is pointed out that said question is answered on MO. Could there be a tag "answered in MO" (or "...
user avatar
-4 votes
1 answer
80 views

Putting special Tags by spending reputation?

Are there special tags that can be put on a post but will cost reputation? What I mean by this, I have seen tags that can be put by anyone. I have also seen moderator only tags. But I have never seen ...
Kripke Platek's user avatar
1 vote
0 answers
96 views

Tag synonym, Name change and Reuse proposal for "norm"

The current use of tag named "norm" is actually meant normed vector spaces. But it is not different from the tag "normed-spaces" Unfortunately, I cannot propose this as a tag-...
Bumblebee's user avatar
  • 18.3k
-2 votes
1 answer
70 views

Should I add a tag to somene else's question (to reflect the content of answers)?

I found a simple solution to sum a series with trigonometric functions by converting it into a telescoping sum, and posted an answer. However, the OP did not mention about telescoping in their ...
CiaPan's user avatar
  • 13.2k
14 votes
2 answers
534 views

$2$-groups Tag Confusion

Currently our $2$-groups tag concern about $p$-groups with $p=2.$ However there is another well established notion of $2$-groups in algebraic topology/homotopy theory about $2$-dimensional higher ...
Bumblebee's user avatar
  • 18.3k
-6 votes
1 answer
184 views

Questions asking discussion under some constraints

I have seen some questions in the last few days in which the OP request exclusively solutions which can be done by hand. This is fine as a practice, but I think such questions should be segregated ...
Babu's user avatar
  • 11.7k
5 votes
0 answers
84 views

Overuse of problem-solving

I noticed that the tag problem-solving is used frequently by newbies who have just one problem which they need to solve. Will anyone mind if I start deleting these tags from questions which are ...
Hume2's user avatar
  • 2,699
6 votes
1 answer
307 views

Should general tags be added when there is a more specific tag?

I am referring to this question Image of a disconnected set is disconnected. It is tagged as "real-analysis", "metric-spaces" and "connectedness". My question is, should ...
Cheng's user avatar
  • 297
10 votes
1 answer
201 views

Tag badges "re-awarded"?

Yesterday I was awarded a whole bunch of tag-badges. However, I already held them all. It seems that I have been re-awarded all of my tag-badges for some reason, but, from what I can see, noone else ...
user1729's user avatar
  • 31.2k
13 votes
16 answers
1k views

Tag management 2021 [duplicate]

New year, new tag management thread. Rules of the game are basically the same: Post your suggestion as an answer here if you see A particularly bad tag (a rule of thumb: “if I can't imagine a person ...
José Carlos Santos's user avatar
14 votes
0 answers
600 views

Why don't we have an elementary-geometry tag? Or why don't we use geometry to mean elementary geometry?

Notes/Observations/Opinions: Related: Why is there an elementary-geometry tag? The tag usage guidance for geometry goes For questions about geometric shapes, congruences, similarities, ...
BCLC's user avatar
  • 13.6k
7 votes
1 answer
302 views

What is the name of the (now removed) tag for which this Taxonomist badge has been awarded?

In the list of awardees of the Taxonomist badge, Yujie Zha has been awarded this badge for a "no longer available" tag. I wonder what's the name of this removed tag.
GNUSupporter 8964民主女神 地下教會's user avatar
6 votes
0 answers
227 views

Regularization tag

It seems, the word regularization has two major meanings: one in statistical analysis, and the other in the context of divergent series. Can we somehow solve this issue?
Anixx's user avatar
  • 9,152
1 vote
0 answers
112 views

How come we got rid of the tag 'coin' but not 'dice', 'poker', etc?

Sounds like the tags dice, poker and coin just fall under probability (or I guess 'permutations' or 'combinations'). I recall we got rid of coin some years ago. eg this Expected Value : Poker I think ...
BCLC's user avatar
  • 13.6k
16 votes
0 answers
931 views

Why do very few questions tagged stochastic PDE actually have stochastic PDE in them?

I check the tag stochastic-pde occasionally and always like 9 out of the last 10 posts have no stochastic PDE in them. I comment and suggest an edit to remove the tag. The tag has the following ...
user avatar

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