The page in the Help Center concerning question bans (here) was specifically written for StackOverflow.
Since then, Maths.SE has grown fast enough for this feature to be enabled here (as of August 2013).
Due to some meta browsing, I encountered this page, and I noticed that particularly some of the referenced question-writing guides are strongly geared towards StackOverflow. As such, they contain advice such as "Provide sample code", which is useless for Maths.SE.
Considering that we have devoted quite a lot of effort to writing the "How to ask a good question?" thread, I think it's good to at least include that one in the list. While in the process of changing this, I would also suggest to cull the guides written specifically for StackOverflow.