I would like to see all questions whose tags contain the word "geometry".
Question. Is there a simple way to do that on MathOverflow (different from manually checking all 36 tags containing the word "geometry")?
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$\begingroup$ Learning a bit of SQL and using the Data Explorer is probably the way to go. $\endgroup$Asaf Karagila– Asaf Karagila Mod2025-10-02 09:32:56 +00:00Commented Oct 2, 2025 at 9:32
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2 Answers
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You can search for [*geometry*], the wildcards will make the query automatically expand into the (apparently) 20 most popular tags following that pattern.
This Data Explorer query suggests there are some 700 questions missing from the search results, I hope a 2% error is acceptable. And manually checking the other is probably just a matter of searching for [alexandrov-geometry] or [conformal-geometry] or ..., though you'll get a lot of duplicates with the link above for questions which have multiple geometry tags.
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I will just add some comment and links to accompany Glorfindel's answer.
First, here are some SEDE queries to find such questions. You can change the parameters to use other string than "geometry" and to choose how many questions to return. (Although they will probably time out with a large limit on the number of results.)
We can also look at the tags containing the word geometry:
- Here is list of such tags.
- And another query includes the tags which no longer exists (but existed at some point). And here are only the tags that no longer exist.
- It is worth pointing out that geometry is a synonym of mg.metric-geometry, combinatorial-geometry is a synonym of discrete-geometry; but neither of these two synonyms have been merged.1 It is well-known that in such cases the search using tags is unreliable, but you can find questions tagged geometry or combinatorial-geometry using SEDE. See also: Is there a way (e.g. with SEDE) to find questions with an existing tag that's been synonymized (but not merged) into another tag?
- Here you can see List of synonyms the have not been merged, and synonyms with geometry in the master tag and geometry in the synonymized tag.
One can also manually create a search link for all geometry tags.
And also a similar search with some keyword.
The search strings could be manually edited further - depending on which tags are interesting for the OP. Naturally, this reflects the tags which exists at the moment - this might change in the future.
So the search for [*geometry*] suggested by Glorfindel has the advantage that it will be updated if new tags are added.
1In the case of geometry there are good reasons why the tag should not be merged - the deprecated tags on this site have not been cleaned up. See, for example, What to do with the synonyms for the deprecated tags? and some of the discussions linked there. Disagreement with the synonym for combinatorial-geometry was raised by domotorp in this answer.
