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8:55 AM
Mainly for the reason that the rule to use top-level tag seems useful - so I'd like to help with retagging in the cases when I am able to. To that end, it is useful for me to know which tags are top-level tags (aside from the arxiv-formatted tags).
However, this older message can be seen as a warning not to post such question:
May 22 '16 at 12:29, by quid
@MartinSleziak the proposal to revise the list of lop-level tags comes up form time to time. A reason against it is that once we start to change it there might be no end to discussion about what should be or should not be there.
@FrançoisG.Dorais It you think that there is a danger that discussion about this might lead to problems (such as disagreements about tagging or long unproductive discussion) feel free to delte the question. (Or let me know and I can delete it, if it does not have an upvoted answer in the meantime.)
I have pinged you since you seem to be the moderator who deals with the tags most frequently, so you seem to be the right person to ask for advice about this.
And another reason why I pinged you was to asked whether you noticed Alexander Chervov's response.
And I'd like to bring up two points in connection with the tags discussed there - and .
1. If is not going to be created again (as suggested by Alexander Chervov) would it at least be reasonable to retag the questions which originally had this tag with combination of open-problems and ?
Many of them are already tagged this way after the merge. And I am certainly willing to help with the manual retagging of the rest.
2. Your comments seems to indicate that you consider correct usage of tag as a tag for questions about lists of open problems and not about single open problem.
Perhaps it would be reasonable to open a discussion on meta about this? And if the consensus is that this is the correct usage, then probably also the tag-info should be edited to reflect this.
I apologize for bringing up once again issues that were already discussed. But since after Alexander Chervov's message here in chat there was you replied neither her in chat nor in comments under his post on meta, I thought that it is possible that you missed this and I decided to ask again.
 
9:20 AM
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Q: Which "non-arxiv" tags are de facto top-level tags?

Martin SleziakThe 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 gm.general-mathematics or gn.general-topology. (The first two letters are the shortcut used on ar...

 

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