I am really sorry, it has been a while since I am back on Math.SE, and since when when does MathOverflow become one of SE family? Won't Math.SE and MathOverflow overlap each other?

  • $\begingroup$ MO is for research level math, and anything below is off-topic. MSE is for all kinds of math. $\endgroup$
    – user61527
    Jan 30, 2014 at 2:58
  • $\begingroup$ @T.Bongers So what does the MSE community say about this? There must be some heated discussions. $\endgroup$ Jan 30, 2014 at 2:59
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    $\begingroup$ MO has been part of the SE network since last June. There's really very little overlap or competition between the sites, and I'm not sure what there'd be heated discussions about. $\endgroup$
    – user61527
    Jan 30, 2014 at 3:10
  • $\begingroup$ @T.Bongers Oh, don't worry about that -- people are apt to find things to have heated discussions about. Like hypothetical migrations. $\endgroup$ Jan 30, 2014 at 4:59
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    $\begingroup$ Related, and possibly duplicate of: meta.math.stackexchange.com/questions/10067/… $\endgroup$ Jan 30, 2014 at 7:36
  • $\begingroup$ There were some heated discussions at MO, not so much at m.se. $\endgroup$ Jan 30, 2014 at 19:52

1 Answer 1


Since June 25, 2013. See: MathOverflow 2.0, History of MathOverflow. Generally, meta.MO is a better place for questions about MathOverflow.

The sites (oops, they are no longer sites but communities) are quite different in their focus and thus they complement each other instead of being competitors. Occasionally, people ask:

If I have a maths question, on which site should I ask: MathOverflow or Mathematics.SE?

to which there is a simple answer:

If you have to ask, math.SE

  • 6
    $\begingroup$ I think this is a great response. I agree - if you have to ask, use MSE. $\endgroup$
    – davidlowryduda Mod
    Jan 30, 2014 at 5:30
  • $\begingroup$ (this is the very reason why I stick with MSE, indeed...) $\endgroup$
    – mau
    Jan 30, 2014 at 12:54

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