Tags
A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
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11 questions
For questions about the bookmark feature (previously called favorite questions).
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for problems and suggestions for the privileges gained by reputation on the main site and on meta.
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Users without full edit privileges can suggest edits to posts and tag wikis
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For questions concerning MathOverflow as non-profit organization. (As opposed to questions concerning MathOverflow as a website.)
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For questions regarding user names (display names) and what is allowed in them.
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User accounts can be temporarily banned ("suspended") by ♦ moderators for violation of the site rules. Use this tag for any questions related to user suspensions.
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For questions about the user named Community ♦ present on MathOverflow (and other Stack Exchange sites.)
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should be used when you are expecting a large number of diverse answers to a question.
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for questions on Meta that relate to a specific answer on MathOverflow. (If a linked answer serves only as an example of a more general issue you want to discuss, this tag should not be u…
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8 questions
Unanswered questions are those questions which have neither an accepted answer nor answers with positive vote count. Note that our definition is strict!
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Serial voting is the act of casting many successive upvotes or downvotes on the posts of a specific user.
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Tag-wiki is an editable page that briefly summarizes the topic of the tag and that may provide links to existing questions that are often useful to many people. Sometimes tag-wiki also includes short …
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7 questions
"tea" is the name currently used for the old meta site of MathOverflow, which is now hosted on http://mathoverflow.tqft.net/ In contrast to the current site it was not Q&A based.
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For questions about bonus reputation obtained when associating SE accounts.
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A post ban means that a user is blocked from asking new questions, or posting new answers.
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6 questions
For questions related to public dumps of MathOverflow and Stack Exchange data.
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Questions about the tools available for users with at least 10000 points of reputation.
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Indicates that the site developers were not able to replicate the behavior reported.
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For questions about tag watching (previously called favorite tags). This feature allows a user to select a set of tags on a Stack Exchange site for highlighting in question lists.
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The Stack Exchange Data Explorer (SEDE) allows you to create and run queries against copies of the databases of popular Stack Exchange sites.
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Questions related to the "side bar"; the bar that runs down the right side of the page on Stack Exchange sites.
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For questions about single users having multiple accounts, known as sock accounts.
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For discussions about blacklisted tags and proposals to blacklist some tags.
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Reproduction of significant parts of content of MO happens on some other sites. Some of them are covered by the license others are not. Questions on both types can be asked under this tag.
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For questions about the words and phrases which are blocked from appearing in posts or titles.
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