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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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5 votes
0 answers
160 views

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?
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 ...
-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 ...
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 ...
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 ...
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 ...
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 ...
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-...
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 ...
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 ...
7 votes
2 answers
296 views

About [probability-theory] tag

Almost four years after this discussion, and I think that the current situation is not ideal and we need some rethinking. Users keep tagging with probability-theory questions that should be tagged ...
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 ...
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 ...
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 ...
21 votes
1 answer
596 views

What about (lecture-notes) tag?

There are many questions asking for lecture notes on some topic. And about a week ago also the tag lecture-notes has been created. The question is to which extent this tag can be useful and whether it ...
5 votes
1 answer
782 views

Where did [gradient] go?

At the moment, Mathematics SE has tags hessian-matrix and jacobian. However, tag gradient is a synonym for tag vector-analysis. Why? Motivation Since tag gradient does not exist, tags gradient-...
5 votes
0 answers
115 views

Questions with favourite tag no longer displayed

The questions tagged (algebraic geometry) are no longer displayed in blue on my screen, although that tag is among my favourite tags. I tried (through the edit) to suppress that tag from my ...
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 ...
3 votes
1 answer
327 views

Discussion about the tag system at MSE

I'm surprised to read what a co-founder of Stack Exchange thinks about the tagging system. From meta.discourse.org : we saw on Stack Exchange that Users don't understand how to navigate via tags ...
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 ...
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 ...
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 ...
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 ...
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 ...
2 votes
0 answers
85 views

Favorite Tags Questions [duplicate]

My question appears to be silly. Is there a way to filter questions to my favorite tags? I know that I can select one of my tags and see its questions, but I want to see all questions in my tags ...
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 ...
14 votes
1 answer
289 views

Filtering by tag

I have seen on a similar site where you can filter by your favorite tags. It's one thing to have questions with your favorite tags highlighted, and it's another, and much better, to only see ...
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 ...
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?
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 ...
0 votes
0 answers
68 views

RSS feed for unanswered questions

Is there a way to RSS feed the unanswered questions? Because I would find it easier to have an influx of questions about certain tags I like. Is that even possible?
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 ...
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-...
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 ...
-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 ...
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 ...
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 ...
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 ...
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, ...
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. ...
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 ...
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 ...
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 ...
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 ...
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 ...
-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 ...
-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 "...
-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 ...
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-...
-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 ...

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