I have a small request to make about gold badge hammers for duplicates:

If a question is migrated from another site, allow the first retag to be included in the tags whose gold members are eligible for Thor-like powers.

And if not, then at least those which arrive under .

  • $\begingroup$ This could probably be retagged, looks at Martin. $\endgroup$
    – Asaf Karagila Mod
    Commented Jul 24, 2014 at 6:25
  • $\begingroup$ I am not sure whether this is what you had in mind, but I have created (dupehammer) tag and copied tag-wiki from meta.SO. $\endgroup$ Commented Jul 24, 2014 at 8:46
  • $\begingroup$ Oh, that's useful, thanks! (Now this tag have two questions, both by me, and both include some reference to superheroes in the title...) $\endgroup$
    – Asaf Karagila Mod
    Commented Jul 24, 2014 at 8:48
  • 1
    $\begingroup$ I propose the tag [calling-Martin] for such questions. $\endgroup$
    – user61527
    Commented Jul 24, 2014 at 8:48
  • 1
    $\begingroup$ @T.Bongers: I think that posting on meta is essentially [calling-Martin]. :-) $\endgroup$
    – Asaf Karagila Mod
    Commented Jul 24, 2014 at 8:49
  • $\begingroup$ (By the way, I'd be happy to hear why people think this is not a good feature!) $\endgroup$
    – Asaf Karagila Mod
    Commented Jul 24, 2014 at 17:09

1 Answer 1


I do not support this request. Users are intentionally prevented from giving themselves the closing superpower by editing tags. This is done to prevent abuse of the hammer (which would be rare) and bias in choosing tags for the question (which is more likely). These reasons apply to migrated questions just as to others.

Also, the fruits of implementing this request would not justify added complexity. Since the introduction of dupehammer, there were 18 questions migrated here and closed as a duplicate. Full list is below, but here is the breakdown of what happened.

  • Dupehammer applied: six questions (4, 6, 9, 10, 11, 12)
  • Tags edited, but even if they were there originally, dupehammer would not apply: five questions (3, 5, 7, 8, 13)
  • Tags edited, and dupehammer would apply if they were there originally: one question (18)

  1. https://math.stackexchange.com/questions/804775/example-of-function-lebesgue-integrable-but-not-riemann
  2. Parametric Equation of a 3D Helix Tube Surface?
  3. Diophantine equation: $2 a^2 + 2 b^2 = c^2 + d^2$
  4. conditional expectation of the Brownian motion
  5. Antipodal map commutes with antipodal map?
  6. deleted
  7. Does this Sum converge?
  8. deleted
  9. deleted
  10. Random 0-1 matrices
  11. https://math.stackexchange.com/questions/846630/help-on-step-of-the-real-numbers-are-uncountable-proof
  12. https://math.stackexchange.com/questions/853544/2-norm-of-a-canonical-jordan-form-and-spectral-radius
  13. https://math.stackexchange.com/questions/854606/finding-out-the-wrong-number-in-the-series
  14. Localization and Direct limit
  15. $i^{-1} F$ a sheaf if and only if $\varinjlim_{ U \subseteq X \text{ open}, ~ x,y \in U } F(U) \to F_x \times F_y$ is an isomorphism
  16. https://math.stackexchange.com/questions/870375/probability-question-regarding-arrangements
  17. https://math.stackexchange.com/questions/871939/how-to-estimate-the-covariance-matrix-if-the-unnormalized-pdf-is-known-but-integ
  18. https://math.stackexchange.com/questions/876627/cardinality-of-the-set-of-all-functions-on-r
  • 2
    $\begingroup$ I agree that this power can be abused. But I don't see how this can be any different from other Mjolnir abuses. I also think that Mathematica.SE or SO wouldn't have [logic] and [calculus] or [group-theory] tags. $\endgroup$
    – Asaf Karagila Mod
    Commented Jul 24, 2014 at 20:43
  • 1
    $\begingroup$ My point is that of course that general "retag-hammer" opens a huge window for abuse, but I think that in the case of migrated questions, especially those arrived with [untagged] this should be alleviated. $\endgroup$
    – Asaf Karagila Mod
    Commented Jul 24, 2014 at 21:45
  • 4
    $\begingroup$ @AsafKaragila I understood your point, but the reason for dupehammering is to alleviate a problem of scale. This is a non-existent problem for migrated questions. Since mid-May, when the hammer was introduced, over $700$ questions were closed as duplicates. Your proposal would affect $1$ (one) question during the same timespan. $\endgroup$
    – user147263
    Commented Jul 24, 2014 at 22:25

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