7 questions linked to/from Sophistication level tags?
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There have been some concerns regarding voting on m.se and as has been pointed out there, this may have to do with increasing number of questions, e.g. some statistics here. In this post I wish to ...
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### Should we divide [tag:dimension-theory] into 2 tags, one for topology, and one for algebra?

A discussion in chatroom about tag hausdorff-dimension draw attention to tag dimension-theory again. Here's some data about how tag dimension-theory is used questions about topology and algebra. My ...
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### Filtering tags/questions by subject *and* level of difficulty

Is there any way to filter questions by a certain number of subjects (e.g., real analysis and differential equations)? Additionally, is there a way to filter the questions by difficulty? The latter ...
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### There are $5\text,931$ questions tagged both elementary-number-theory and number-theory

(Prompted by this question) As you can see here, there are (as of January 2020) $5\text,931$ questions tagged elementary-number-theory and number-theory. (For the record, there are respectively \$28\...
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### 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....