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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.

5
votes
2answers
352 views

Tags for separation axioms and countability axioms for topological spaces

In topology, several separation axioms (such as Hausdorff, completely regular, normal, ...) and countability axioms (such as first countability or separability) are often used ant there are also some ...
3
votes
1answer
68 views

(block-matrices) tag is behaving strangely

I'm not sure what's going on with the block-matrices tag. I recently tried to tag a question as block-matrix related through an edit, but when I did the tag didn't show up. I can look up the (block-...
9
votes
1answer
177 views

About changing incorrect tags in suggested edits

Very often when I see a edited question made by another person, I see that the editor didn't change the wrong tag, for example, it's very typical that questions about high school algebra are tagged ...
1
vote
0answers
23 views

Tag or community wiki questions on proof techniques

Would it be useful to have tags for common proof-techniques? I thought about this when reading a question like this: how to strictly prove $\sin x<x$ for $0<x<\frac{\pi}{2}$. Lots of ...
2
votes
0answers
69 views

What is best tag for “spot the mistake” questions?

Occasionally we get a question of the form: "Look at this derivation/computation. Clearly, the result is wrong. Where is the mistake?" It is slightly different from typical solution-verification ...
7
votes
1answer
232 views

Similar tag descriptions for (physics) and (mathematical-physics)

I understand t.b.'s reasoning on why we should keep both the physics and mathematical-physics tags, but I notice that their wikis, and more specifically their excerpts, are sufficiently similar that ...
11
votes
0answers
306 views

Do we need the “divergence” tag?

Currently, there exist a tag divergence, about which I'd like to know your opinion: the tag has no usage guidance and no tag wiki. This means that users cannot know whether this tag is dedicated to "...
5
votes
2answers
910 views

Should we blacklist [homeomorphism]?

In the past few days, I've been repeatedly removing the homeomorphism tag. I don't see why this tag is useful, it adds nothing to the question, it adds nothing to its classification. Perhaps it is ...
1
vote
0answers
48 views

What tag to use for elementary polynomial equations? [duplicate]

Many questions on MSE posted by elementary school (or high-school) pupils are of the form "find $x$ if $x^{101} = x^{51}$" (this is a real example that has just got posted). Clearly, this question is ...
4
votes
3answers
387 views

Tag proposal: squeeze-theorem

There are many questions about the squeeze theorem on this site, and seeing that some other theorems such as the Chinese Remainder Theorem, Stokes theorem, Bayes theorem, etc. have their own tags, why ...
23
votes
1answer
593 views

The functional analysis tag

Many elementary questions about functions are given the "functional-analysis" tag. Consider the following examples, all of which are very recent: 1, 2, 3, 4, 5. This is not a recent phenomena; I've ...
10
votes
1answer
353 views

How should questions about Cantor space and Cantor cubes be tagged?

There exists a tag called cantor-set. Based on the current revision of the tag-info it is about Cantor ternary set and also about generalization to fat Cantor set. Both of them have very similar ...
-1
votes
1answer
136 views

Would a (proof-creation) tag be useful?

I'm thinking of creating a tag called proof-creation, where the tag will be for questions asking about how to start a proof, since I haven't seen it before. Thoughts?
-11
votes
1answer
133 views

Allow users to edit tags to untagged

For some reason, I am not allowed to remove tags without adding in a relative tag. I (like probably most people whose contribution is mainly answering questions) really only want to help people with ...
1
vote
0answers
42 views

Tag for the field of fractions

I wanted to edit in the fractions tag a related / suggested alternate tag for the field of fractions of a ring (integral domain). But to my surprise I can't find a tag for the field of fractions! ...
8
votes
3answers
243 views

Can you tell who created a tag

I recently created a tag, will anywhere show that it was created by me? Same with other tags, can I see who created them?
2
votes
0answers
41 views

What is the right tag for this question?

I stumbled on How to find distance from emitter using TDOA? because I study hyperbolic geometry and this question was wrongly tagged as such. But then what is the right tag? There is no tag on ...
2
votes
1answer
80 views

Can we have a tag for integer base $b$ representation?

I see a lot of interesting questions, broadly in the category of contest math and recreational math, about the base $b$ expansion of an integer, often $b = 10$. For example: the sum of the digits, ...
1
vote
0answers
31 views

Tag wiki edit: [algebra-precalculus] includes simplification.

I recently asked this question, which I wanted to tag in such a way that would indicate it was a very basic question about simplifying an expression. Because of 6005's comment, I learnt about the ...
5
votes
2answers
213 views

Are the tags “projective-spaces” and “projective-geometry” synonyms?

From their tag descriptions, it sounds like projective-space and projective-geometry are synonyms. On the other hand, I could imagine in theory how they could be differentiated (namely one doesn't ...
13
votes
0answers
344 views

How should questions about rings be tagged?

It seems that there is no clear consensus about tagging questions about (or related to) rings. There are several tags which might apply. The tag-excerpt for ring-theory says: This tag is for ...
1
vote
1answer
112 views

Questions tagged as Maple

I have been using MapleSoft's Maple for a while. Previously, I worked with Mathematica and it was great, mostly because there are a lot of resources on the web and a dedicated stackexchange site for ...
5
votes
1answer
218 views

What are the more convenient criteria to create new tags?

If one searches the word -theore in Tags one find some tags with the name of well known theorems as stokes-theorem or bayes-theorem. Also if one type lemm one finds only three tags, that are borel-...
3
votes
1answer
193 views

With all other variables held constant, are tags sufficient to contextualize a question?

Recently, I made a comment here that, for this particular question, given the tags (the tags were there before the edit occurred), it is clear what the context should be. However, one of the people ...
4
votes
0answers
88 views

Merging “fourier-series” and “trigonometric-series”?

Currently, fourier-series has 2202 questions and 101 followers, while trigonometric-series has only 324 questions and 9 followers. I suggest merging the two, but also keeping "trigonometric-series" as ...
-6
votes
1answer
135 views

Would a qual question tag be useful?

I'm studying for quals/prelims. Tests you take in your first year or two of PhD (at least in America). Sometimes I want to browse problems that specifically came up in some qualifying/preliminary exam....
13
votes
3answers
350 views

What is (similarity) tag for?

The tag similarity was created last month. It has empty tag info. Just by the name, there are two common uses of the word similarity in mathematics, namely similarity of matrices and similarity of ...
3
votes
1answer
44 views

Cannot add tag “conditional-probability”

I have just asked a question and wanted to add tag "conditional-probability"(x 841), but the tag doesn't appear without any notification. Is there any restrictions on using some tags?
1
vote
0answers
52 views

Tag suggestion - delta complexes

There are currently tags for simplicial-complexes and cw-complexes. The former has about 85 questions at the moment. A search for "delta complex" gives about 90 results, and there are often[weasel ...
1
vote
1answer
71 views

Why have a (univalent-foundations) tag?

I just saw this meta post concerning a tag for NFU or more generally New Foundations. There is good reason not to have a tag for too specific tags, but then I also noticed that there is a tag for ...
1
vote
1answer
74 views

What happened to the “permutation-groups” tag?

There used to be a "permutations-groups" tag, which I don't see anymore. What happened to it? Can it be put back?
24
votes
1answer
1k views

Best and worst tags for % answered rate

A noticeable pattern I have seen on Math.SE is that some question tags seem to attract more attention than others. I am curious and hope this question is of interest to the meta community; however I ...
2
votes
1answer
92 views

Why are the tags that I just earned not appearing?

I don't really care too much about rep, but I do like the tag upvote answer feature on this site, which I have understood better by looking at the tags of other users. Here, for example, is the tag ...
3
votes
0answers
53 views

Removal of the tag “analytic-functions” [duplicate]

I have just noticed that the tag analytic-functions is used by only 14 questions, while the tag analyticity is used by 549 questions. The former tag is also poorly maintained (empty tag wiki). ...
0
votes
0answers
51 views

Tag for “Is this known?/What field is this?”

Many times, when I am doing math on my own, I've found some sort of area of math that I want to know more about, if such an area already existed. (This was actually how I found out about percolation ...
7
votes
2answers
328 views

Should we have tags (maximal-ideals) and (prime-ideals)?

Currently the tags maximal-ideals and prime-ideals exist (161 and 221 questions respectively). These tags have been discussed in the past here and here. I am not sure whether a consensus was reached....
0
votes
0answers
40 views

Tag excerpt not showing up for synonym: why?

As I was tagging this question yesterday, I added tags, and I saw this: So I thought the tags had no info, and noted it in a "BTW" sentence at the end of the question. I removed it a while ago as per ...
10
votes
1answer
184 views

Shaping the shape tag

I looked around on meta but can't seem to find a question about this, so here goes. Posting this question this evening, I looked for a shape-operator tag. This tag wasn't present, but I saw shape, ...
-5
votes
1answer
114 views

What does the community think of a “mathematical aesthetics” tag?

Often mathematics is also a matter of aesthetics and elegance. Sometimes there appear questions asking for a "more elegant" way to do this or that, or a "nice" proof of some fact. I'd like to know ...
1
vote
0answers
60 views

Should we remove the python tag? [duplicate]

Python is not related to math and might have been created accidentally. Currently only three questions are tagged python.
17
votes
0answers
230 views

Should tags be added based on answers?

Should tags be added based on answers? The specific case I have in mind is that every once in a while I answer questions using inclusion-exclusion but the question doesn't refer to inclusion-...
1
vote
0answers
34 views

Two meanings of applications tag

The applications tag contains two different sorts of questions: What are the (real world) application of [a concept]? I have [a problem] and it is not immediately obvious how to solve it or formulate ...
3
votes
1answer
70 views

Why is a synonym appearing in the tag list, with a distinct number of questions?

When searching for "trigonometry" or something similar in the tag list (or when editing a question), the trigonometric-functions appears, and is said to contain 72 questions: But there's a twist: ...
6
votes
1answer
302 views

A proposal about the tags [tag:integration], [tag:indefinite-integrals], and [tag: antiderivatives]

Right now, the tag antiderivatives is a synonym of integration. I do not think this should be so. Rather, I propose to make antiderivatives a synonym of indefinite-integrals. I further propose to ...
-7
votes
1answer
126 views

Tag proposal: perfect-numbers [closed]

There are quite many questions involving perfect numbers. Both even and odd perfect numbers are interesting in their own right, and then there are also numbers that are almost perfect, quasiperfect, ...
-9
votes
1answer
93 views

Could “reverse engineering” be a tag?

Often times a problem may require the assumption that we know the answer and work backwards, a sort of backwards problem solving. This type of problem solving may fall under the tag problem solving ...
33
votes
64answers
3k views

Tag management 2016 [duplicate]

Since it is a new year and the old Tag Management question has already over 70 answers, it is time for a new Tag Management thread. Rules of the game are basically the same: Post your suggestion as ...
-2
votes
2answers
271 views

Is Math.SE lacking in the area of Stochastic Processes?

At the moment I'm reading some texts on Markov Chains, to learn the subject, and I'm getting the feeling that Math.SE community is not interested/very knowledgeable in this area, when compared to ...
-21
votes
1answer
193 views

Should Tau be an alias or a separate tag?

I'm asking for my own education, since I don't understand the inherent benefits of Tau. Is there a legitimate need to tag questions "tau" or is "pi" sufficient? Should TAU be an alias to Pi? ... ...
11
votes
1answer
337 views

Editing (and creating) seemingly useless tags

In the past few days I have noticed a certain user editing tag information for freshly created tags that seem completely useless, for example this one. This seems like a case of badge-hunting to me. ...