Questions tagged [tags]
The tags tag has no usage guidance.
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Help cleanup tags!
This is meant to agglomerate tags that need (occasional or regular) cleanup. That is tags that mean multiple unrelated things and need to be separated into more specific tags. Please follow the ...
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Help improve tagging!
Please help by writing tag wikis for your favorite tags!
Use answers to this post to suggest tag synonyms.
Finally, if you're a 10k+ user, note how easy it is for you to edit tags now!
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answers
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Frequently asked questions about tagging on MathOverflow
Due to several discussions on the main site, I am asking this question concerning the best practices for tagging questions on MathOverflow. Unfortunately, the relevant documentation page https://...
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1
answer
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Why are MO tags formatted as they are?
I noticed that some of the more frequently used MO tags are formatted according to a certain pattern, e.g.:
nt.number-theory
pr.probability
lo.logic
fa.functional-analysis
Why are the tags formatted ...
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What should be the policy on "open problems" on MO?
The subject of this discussion are questions on "open problems" on MO.
There is an existing policy on "open problems" reproduced from the (old) FAQs, which involves an open-problem tag.
The ...
user9072
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4
answers
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Tags that encourage off-topic questions
MathOverflow has a few problematic tags which are not inappropriate by themselves but suggest off-topic ideas. A prime example of this is the calculus tag. Sometimes a research-level mathematics ...
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2
answers
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Recent suggested tag wiki edits
Today [Apr 21 '16] and yesterday there were a considerable number of suggested edits
to previously empty tag wikis and tag wiki excerpts (browse here;
viewing the full list requires >=10K points, I ...
Stefan KohlMod
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0
answers
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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 ...
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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 ...
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8
votes
1
answer
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How do I delete an accidentally created tag?
While posting this question, I meant to put the constructive-mathematics tag, but I accidentally just typed "con", thereby creating a "con" tag in MathOverflow. How can I delete it?
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1
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How to (re)tag such that migration works?
As discussed elsewhere it is crucial that a question that should be migrated has a matching tag on the target site (otherwise the migration is rejected and the question closed on the source site).
...
user9072
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votes
1
answer
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Tag warnings on MO
In the last few months, Stack exchange has introduced tag warnings, that is, a text that is displayed when a user creates a new question that contains a specific warning, such as this example.
...
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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 ...
user9072
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answers
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'Tag-removed' tags where they possibly shouldn't be
See
Why is differentiating mechanics and integration art?
Which functions of one variable are derivatives ?
both of which are tagged [tag-removed]. Also, both of these seem to have had these tags ...
- 32.2k
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2
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Should tag-wiki include a source where it is taken from?
The main purpose of the tag-info (and especially the tag-excerpt) is to help with tagging. This is especially important for the tags with ambiguous name. But usually tag-info also contains some brief ...
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arXiv vs MathOverflow - popularity of disciplines
Inspired by the comparison of programming languages by GitHub and Stack Overflow activity (e.g. this one for 2015) I decided to look at the popularity of mathematical disciplines by using data from ...
- 1,592
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1
answer
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Potential "technical" obstacle to migrations, and suggestion for a solution
Practical advice: If you want to/vote to migrate something to another site (especially math.SE) please make sure that at least one of the tags on the question exists on the target site (math.SE). ...
user9072
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How should we react to the existence of Math Educators SE?
As was previously announced at meta, there is now an SE site for mathematics education (MESE).
My broad questions is this: Should we react to this somehow?
(More specific questions are below.)
Does ...
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0
answers
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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 ...
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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....
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On the top-level tag ra.rings-and-algebras
I'm confused about the scope of the ra.rings-and-algebras
The problem is related to the ambiguity of the word "algebra", which essentially has two (rough) meanings
the meaning "ring&...
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answer
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Should we create an Erdős tag?
I was thinking about creating tags for some famous or important people, like Erdős (that already exists, as pointed out by Joonas: erdos), that could be used for questions related to their work.
...
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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 ...
- 1,592
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votes
1
answer
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Creation of "procrastination" tag
One user has created the tag procrastination: see this question. In principle I would have immediately deleted it as totally irrelevant (in the same way I would delete "Stupid question" or &...
- 56.2k
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answer
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Noncommutative rings/algebra tags
I'm suggesting to make noncommutative-rings a synonym to noncommutative-algebra, in the same way as commutative-rings has been made to ac.commutative-algebra.
Initially asked there, I'm asking it ...
- 56.2k
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What is the intended use of the (proofs) tag?
There is a tag called proofs. This tag has empty tag-info/usage guidance.
Without any usage guidance it is quite likely to be used incorrectly.
The fact that there are many deleted questions having ...
- 4,578
13
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0
answers
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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 ...
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votes
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Reappearance of (topology) tag
I have noticed that topology tag was created again. According to list of new tags it was created Jun 9 at 7:55. There are currently 3 questions having this tag.
I was not able to find a discussion on ...
- 4,578
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votes
1
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On convexity tags
The tags on convexity are convex-geometry ($\times$560), convex-analysis ($\times$ 266), convexity ($\times$ 420). Here the number is the current (2019/02/23) number of uses and I ignore some more ...
- 56.2k
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votes
0
answers
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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 ...
- 4,578
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Merge complex-analysis and cv.complex-variables?
We have distinct tags complex-analysis and cv.complex-variables, of which the latter is the arXiv standard name. They seem to mean the same thing. Should they be merged?
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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'. ...
- 6,109
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votes
2
answers
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Currently, is it possible to have relevant question under the latex tag
A question using the latex tag was recently posted, which received a number of down votes and comments which directed to post on tex.stackexchange.com.
MO predates tex.stackexchange.com and so at ...
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4
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How should I use the meta-tags [feature-request], [bug], [support], and [discussion]?
On meta, each post must be classified into one of four classes. Which should I use?
Note that in addition to these four classes there are numerous other tags on meta that can and should be used in ...
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Tag referring to a book/ specific collection of problems
The scottish-book has been created today by one user, posting various questions from the given book, or adding references and retagging existing a few questions when they appear in the given book.
...
- 56.2k
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votes
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Two tags for partially ordered sets
There are currently two tags for partially ordered sets: posets and order-theory. In my opinion, they mean the same thing. I see three posibilities.
Merge the tags.
Make them synonymous.
Keep them as ...
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Should MathOverflow request suggested tags feature?
There is a feature of showing suggested tags after the body of a question is included. These suggestions are based on the body of the question. More details can be found in these posts:
Automatically ...
- 4,578
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2
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Tag [upper-bounds] is nowhere to be found
At the moment, MathOverflow has tag lower-bounds (100 questions), but no tag upper-bounds. Are lower bounds that much harder to compute? Or that much more interesting?
Worse, due to the non-existence ...
- 2,208
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votes
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Should [tag:feynman-integral] be a synonym of [tag:path-integral]?
The question is in the title: I see no benefit from having these two tags for essentially the same concept (particularly as the path-integral wiki excerpt refers to the path integral formulation of ...
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2
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What is wrong with the tag excerpts?
Looking at the list of tags https://mathoverflow.net/tags it seems that all the tags are surrounded by html <p>...</p>. This seems to be happening ...
- 6,109
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votes
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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 ...
- 6,109
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votes
4
answers
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Creating tag "small-uncountable-cardinals"
Looking through meta-MO I have found a proposal of Martin Sleziak to create a new "small-uncountable-cardinals", which I liked since many of my (and not only my) questions fall under this tag. So, I ...
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Numerical Analysis - SO Vs MO
though I'm a relative newbie to the "Stack" community, my research interest has brought me to a dilemma. The area of Numerical Analysis is theoretically covered by both MO and SO, but is practically ...
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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 ...
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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 ...
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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 ...
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adding n cat lab tag
I propose adding n cat lab tag with an intention to discuss mathematics that is written in https://ncatlab.org/nlab/show/HomePage.
As https://ncatlab.org/nlab/show/HomePage has large amount of ...
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