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Mar 22, 2021 at 13:58 answer added Ben WebsterMod timeline score: 9
Mar 20, 2021 at 19:20 comment added Brian Hopkins @AlexM. Remember that it was answered when it was not yet identified as a contest question. And it's still closed. I'm glad, though, that it is accessible again, with the same status as other closed questions, rather than being hidden. As to whether it is "research," there are many publications that establish combinatorial proofs for recurrence relations, for instance.
Mar 19, 2021 at 23:15 comment added Alex M. @BrianHopkins: But if we accept such questions for high-school pupils on MO, what will MSE be left for? A contest problem may very well be interesting and difficult, but this shouldn't be enough to consider it "research".
Mar 18, 2021 at 21:15 comment added Carlo Beenakker mathoverflow.net/questions/385370/… --- only visible by 10k+ users --- I presume if we undelete and it is considered inappropriate we can always delete it again.
Mar 18, 2021 at 21:02 comment added Brian Hopkins I appreciate the comments. @CarloBeenakker, thanks for finding the link. Without waiting for something official about contest questions, would it be appropriate for you to post it here in an answer and see if there's sufficient interest to undelete? (Or do reopening votes occur behind closed doors somewhere?)
Mar 17, 2021 at 16:58 comment added Martin Sleziak @CarloBeenakker The "policy" I linked is the policy formulated on Mathematics - which is a different site from MathOverflow. If MO decides (at some point) to create a policy about this issue, it might be different. In case it wasn't clear, I will stress that my comment which links to the FAQ post was concerning the question whether undeletion is technically possible.
Mar 17, 2021 at 16:42 comment added Carlo Beenakker it was user deleted; the policy linked to above says "If the "contest" has no definite duration, then we do not consider questions on it as contest questions for this discussion. This is to prevent indefinite lock-down of information." --- so I would presume undeleting is allowed; I do have the link, shall I post it here?
Mar 17, 2021 at 16:34 comment added Martin Sleziak @CarloBeenakker That depends. If the question was deleted by a moderator, it cannot be undeleted by regular users. (All details are explained in the FAQ post on deletion. There is also a related feature request: Regular users should be able to vote to undelete moderator-deleted posts.)
Mar 17, 2021 at 13:17 comment added Sam Hopkins As mentioned in some of those other threads, there is the problem that PROMYS reuses questions year after year. But they can't expect MO to ban a certain question forever...
Mar 17, 2021 at 12:14 comment added Carlo Beenakker we could just vote to undelete, if we know the link to the deleted question...
Mar 17, 2021 at 8:29 comment added Martin Sleziak For comparison, on Mathematics there is a clearly formulated procedure how the moderators deal with questions from ongoing contests: “Contest problem” policy.
Mar 17, 2021 at 0:06 history became hot meta post
Mar 16, 2021 at 20:40 history edited Brian Hopkins CC BY-SA 4.0
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Mar 16, 2021 at 15:59 history asked Brian Hopkins CC BY-SA 4.0