Questions tagged [tags]
The tags tag has no usage guidance.
Policy for Naming of Tags
I just saw that the Reedy cofibrancy of the bar construction for algebras question is tagged with "simplicial-stuff" and I wonder if such "sloppy" tag-naming is considered acceptable/appropriate. ...
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 ...
How should questions about (various meanings of) coverings be tagged?
The word covering has various meanings in mathematics. Quite often choosing a tag-name which has several unrelated meanings can lead to problems - typically bunch of rather unrelated questions end up ...
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 ...
Hadamard product (and other ambiguous tags)
There is this tag, hadamard-product; as can be seen e. g. on the Wikipedia disambiguation page, it can have four different meanings. I for one, attracted by it in a recent question (I badly need to ...
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 ...
Is the [completeness] tag necessary?
I have noticed today that we have a completeness tag. It currently houses seven different questions on widely different notions of completeness. Since there are widely different notions of ...
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 ...
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 ...
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 ...
"Conley index " as a tag
Is there a tag which can be related to methods on Conley index theory?I could not find a tag with this title.
How to tag questions about databases of mathematical objects?
On MO there were several questions regarding databases of (some type of) mathematical objects. You can see the list of questions I was able to find here. What would be correct tag for such questions? ...
Migrated question and email notification
It seems that a migrated question does not appear in the email notifications of its tags. Question: Should it appear? By migrated question I mean a question migrated on mathoverflow, and by e-mail ...
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 ...
Do people want counterexamples in general topology that satisfy low separation axioms or high separation axioms?
When people ask general topology questions asking for a proof or a counterexample to a claim, people often do not mention whether they want a counterexample which satisfies higher separation axioms (...
New tags: Functional Data Analysis, Time Series, Functional Time Series
In my opinion there should be at least the following two tags, I couldn't find: "Time Series", "Functional Data Analysis". Since functional data are used more and more and time series as a ...
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 ...
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. ...
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 ...
Tag for errata of books
Navigating MO, it is possible to view two kinds of questions regarding errors within a book. The first kind are community-wiki questions which answers are a collaborative listing of found errors in a ...
Can some higher power merge the enumeration and enumerative-combinatorics tags? [duplicate]
I tried to do this myself, but I do not have sufficient privileges to do so. It seems like I cannot even suggest one as a synonym of the other. As a side question, is having an approved synonym the ...
Proposed merger of tags
I would like to get some reactions to the idea of merging several tags under an umbrella "infinitesimal". The motivation is that the individual tags each have few questions, and the existence of ...
Improve management tools of favorite and upvoted questions/answers
Here is my wish list: When one marks a question as favorite or upvotes it, give a chance to: Mark the question with a private tag. Add a private comment to the question. Its length could be limited ...
Is the use of hierarchic tags too redundant?
Is there a policy which tags to use when there is an obvious hierarchy? For instance, questions with tags random-matrices or matrix-analysis could also be tagged more generally matrices to make ...
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 ...
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 ...
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 ...
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 ...
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?
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. ...
New tag for Discrete Morse Theory?
Would it be worth making a new tag discrete-morse-theory? While certainly related to classical Morse theory (which already has a tag), most of the technical tools of DMT are quite different, and the ...
Suggestions for merging redundant tags [duplicate]
I don't yet have the required reputation nor the answer-votes, yet I'd like to suggest identifying the tags isoperimetry & isoperimetric-problems with the (already synonymous) pair calculus-of-...
Sorting users by tags
"Users" lists all users (ordered by weekly/monthly/../total reputation), each followed by a number of tags, related to his/her MO-activity. My question is: Is it possible to view the list of all ...
list of tags in chronological order
Is there a way to see a list all tags in chronological order (date created). I know one can see 'new' created tags, but my question is about all tags.
Order of the tags at MO
I have seen a post suggesting that in SE network a tags for the question should be shown ordered by the popularity (i.e., by the number of questions): Are the tags shown in a particular order? But ...
Tag excerpt/wiki for computational topology
On MSE I am working on a tag excerpt/wiki for a currently non-existing computational topology tag. Please see this post on MSE Meta: https://math.meta.stackexchange.com/questions/13511/tag-creation-...
Tag suggestions on ask page
The ask page tag input box currently looks like this: The old ask page on MO 1.0 had a much more detailed description of what top-level tags on MO are: Since appropriate tagging on MO can be ...
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 ...
Why not adding AMS classification numbers, in addition to the tags?
The tag system is fine, and the names/explications of the tags clear enough. But why is there no way to add facultatively primary (and secondary?) AMS classification numbers, like in many journals? ...
What should I do about a wrong tag added by an editor?
I posted a question and tagged it "infinite-sequences". A high-reputation editor added a more general tag: ca.analysis-and-odes. Now, in principle, having a more general tag is fine---but this tag is ...
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). ...
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). ...
Sort unanswered questions by tag
Please excuse my mo.meta ignorance. Is it possible to view the list of percentage of unanswered questions, sorted by tag? (This is somewhat ill-posed because many questions have multiple tags, but ...
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://...
Should the tags [inner-models] and [inner-model-theory] be merged?
Right now there are two tags for questions about inner model theory: inner-models and inner-model-theory. I can't see any difference in the type of questions being asked under these two tags. Should ...
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 ...
Why does (moderators) tag on meta behave differently from other tags?
When I click on the moderators tag here on meta: I see that it contains one question. No tag-wiki is displayed. (And neither is the possibility to edit the tag-wiki.) When I try to find this tag in ...
Who should be allowed to create a new tag?
There is a recent post on MO that includes two new tags: Beer and Bet! The problems of these two tags aside, I don't think it is a good practice to add new tags unless it is absolutely necessary. Is ...
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 ...
Tag for Fragments of Peano Arithmetic
There are quite a few questions on the main site related to (first-order) Peano Arithmetic and its fragments. Here are two examples: 1, 2 (but there are many others). It would be nice, and feels ...