# Tag Info

27

No, obviously not. The term "inequation" is not commonly used in English and in my experience its usual meaning is for statements with a $\neq$ sign, rather than inequalities that are to be solved as the tag creator seems to intend. In any case, there is certainly no reason to have such a tag to contrast with inequality, since the distinction is not sharp ...

21

Proposal to blacklist generalization Reason: It's overly broad and there is no real mathematical content in it. Also, the tag has been created and removed several times.

18

To avoid inequation being recreated, I have made it a synonym for inequality.

16

Resolved. All questions with cohomological-operations have been retagged to cohomology-operations (or neither tag, in a few cases where the tag was inappropriate) and cohomological-operations will be automatically deleted soon Apparently we have tags cohomology-operations and cohomological-operations, with 10 and 20 questions respectively (including 1 with ...

15

There have been two comments of approval on this, and far more upvotes than downvotes, so I say go ahead! (In case you didn't check, I'm actually the OP. I'm posting this answer as a record of the feedback. Additionally, you can vote on this answer to express your opinion.)

14

Resolved: fixedpoints renamed to fixed-points. For consistency with other multiple-word tags. Separating words with hyphens increases readability.

14

I've reviewed quite a few of your edits over the last few days, and for a little while I thought you were just trying to increase your rep $2$ points at a time. I did eventually notice that you were engaged in retagging, but what made it hard to spot initially is: you tend to make small (and often unnecessary) changes to the body of the post, like ...

13

Resolved. The tags triangle and circle have been renamed triangles and circles, respectively. Proposal: pluralize triangle and circle Putting names of mathematical objects in their plural form is a common practice, e.g. polygons. We should treat "triangles" and "polygons" equally.

13

Resolved. generalizedeigenvector has been renamed generalized-eigenvector. Proposal: rename "generalizedeigenvector" to "generalized-eigenvector" Pledge originally initiated by WillG in this suggested tag wiki excerpt edit. I support this proposal since it's a common pratice to separate words with hyphens in tag names in order to increase readability, ...

11

For example, I want to see all questions posted in sequences-and-series in September month of 2016. You can used built-in-search for this. The modifier created:2016-09-01..2016-10-01 returns only posts from September. (I have added one more day to be on the safe side - and also to make this easier to modify.) If you are interested just in one month, you ...

11

My personal thoughts: Even from the name, the two seem to carry the same intents (bear in mind, I've always heard "inequality" my whole life). The Wikipedia article doesn't seem to offer any information that would suggest the two are really two, distinct things, either. I don't claim to know why Wikipedia thought the two should remain separate, and I ...

10

Well, to start, we actually already do have a definition tag; however, in the case where you don't know the name of what you're looking for, it's probably better to use terminology or notation. Let's compare and contrast. A canonical question for definition would be something like I'm reading the paper A Treatise In Frustration (A. Gruber, Journal of ...

10

Concerning the proposed [quantum-field-theory] tag: Not all "field theory" questions in physics are about quantum field theory. Questions about general relativity, Maxwell's equations, or the Navier-Stokes equations are all about "field theory", but they're about classical field theories, where there's no $\hbar$ in sight. Mathematically, the machineries ...

10

I agree that these tags are not needed. For the former I suggest to retag the two questions (the tag then goes automatically away after a day). For the latter we might wait for a few days if the question "survives" or not. If the questions should be deleted the tag would be gone too. For tags that only have a few questions to them, retagging is usually ...

9

Resolved. cauchy-riemann-equation is now cauchy-riemann-equations. Proposal: pluralize cauchy-riemann-equation Because… well, you know: there are two of them.

9

Partially resolved. tqft has been synonymized into topological-quantum-field-theory. A consensus has not yet been reached on the name change to topological-quantum-field-theories. Proposal: rename "topological-quantum-field-theory" to "topological-quantum-field-theories" and synonymise it with the tag "tqft" An old question of mine recently had a couple of ...

9

Resolved: planar-graph, bipartite-graph, chordal-graph, and signed-graph are now planar-graphs, bipartite-graphs, chordal-graphs, and signed-graphs, respectively. Proposal: pluralize planar-graph, bipartite-graph, chordal-graph, and signed-graph. (To match random-graphs, directed-graphs, cayley-graphs, infinite-graphs, and hypergraphs, as well as the ...

9

Resolved: euler-method has been merged into eulers-method, a synonym created, and tag wiki updated. Proposal: synonymize euler-method with eulers-method Notice that they are indeed different tags, as the former has user guidance, the latter doesn't. But they are essentially the same thing, i.e. a numerical method to solve first-order first-degree ...

9

Resolved: The tag synonym was created. I suggest a synonym dg-algebras $\to$ differential-graded-algebras. The tag (dg-algebras) was created in July 2017 (shortly before allowed length of tag names was increased). A short tag-excerpt was also created at the time. The tag (differential-graded-algebras) was created recently (July 2019). It seems clear that ...

9

Having posted the linked meta answer in the comments, perhaps I can give an answer. As @ArcticChar has mentioned, it's a convention to pluralize tags if possible, like cubic-equations, definite-integrals, etc. In such case, the tag name is used to refer to multiple objects of a category, instead of a single one. For example, definite-integrals is used for ...

8

So far it seems from the votes and comments lean towards separating dimension theory in analysis/topology from dimension theory in algebra. Let me just add one additional suggestion. Suggestion. Do not put questions about dimension theory in linear algebra under the same tag as dimension of rings/modules. Whether or not a tag for dimension in the sense of ...

8

Despite the fact that there is a separate post in the Tag Management Thread, let me mention here some issues with this tag in more detail. (Several of them are probably more general comments - not specific just to this particular tag.) The tag significance was created and removed twice, first on 24 May 2019 and again on 27 June 2019; see also the revision ...

7

Proposal: make smooth-manifolds a synonym of manifolds. In theory, there is a distinction between these tags, with smooth-manifolds referring to just differentiable manifolds and manifolds also including topological manifolds. In practice, the distinction does not matter for many questions and manifolds alone is very frequently used for questions that are ...

7

Proposal to remove (or even blacklist) significance It is a meta tag and it is a bad one. I sincerely ask the creator to stop retagging old questions until we have an actual discussion.

7

Resolved (mostly) Creation of a tag gcd-and-lcm. Merge of the GCD part, not yet merged the LCM part, in case some objection emerges. The tag wiki might need some (more) attention. Proposal: merge gcd and lcm We tend to combine homologus objects into one tag, like supremum-and-infimum, limsup-and-liminf and even-and-odd-functions. It's well known that \$ab ...

7

Partially Resolved: singularvalues is now singular-values, but the tag still lacks usage and a wiki. Proposal: rename "singularvalues" to "singular-values" There's no usage guidance and tag wiki yet.

7

Resolved. continuoustime was removed. Proposal: remove "continuoustime" tag The tag continuoustime has zero questions currently.

7

Resolved; accessible-categories and locally-presentable-categories are created Proposal : tag(s) for accessible and locally presentable categories A couple months ago someone created (among others) the tags locally presentable categories and accessible categories, but they were removed. Now this is not really my specialty, but I think these tags could be ...

7

My understanding is that most of the time, someone who asks a question on an elementary topic will not be able to name precisely what the relevant tags are. In such cases, it's all up to more senior users to tidy things up. But then not all questions get re-tagged properly because there are too many of them, because not everyone thinks of taking care of ...

6

Resolved: mirror-symmetry is now created. Proposal: Create "mirror symmetry" tag mirror symmetry is already a tag in MO, and there're already several questions about it now in MSE: (1), (2), (3), (4), (5). Here is an introductory to mirror symmetry mathematically which says mirror symmetry introduces a correspondence between complex geometry and ...

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