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7:00 AM
@AlexM.: You're right, I fixed the notation. As far as the level of this question, it arose while reading an advanced monograph (in fact, one I am teaching a grad topics course from right now), and I am a tenured full professor working in geometry/topology but do not know the answer. So it seems a little rude to point me instead to a website devoted to helping undergrads cheat. — Linda Nov 30 at 17:29
It's a bit depressing to read something like that. OTOH several MO users defended MSE.
MSE is certainly not a website devoted to helping undergrads cheat. — Z. M Nov 30 at 19:13
I would like to join @Z.M in saying that highlighting the bad behaviour of a few MSE users devalues the people who put genuine effort into both questions and answers there. I would encourage the original poster to delete your second comment, and possibly also to replace the first by a comment that describes your qualifications without denigrating anyone else. — LSpice Dec 1 at 1:51
I have opened a meta discussion about this question at meta.mathoverflow.net/questions/5182Neil Strickland yesterday
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Q: A recent question about connections

Neil StricklandI think that the history of this question about connections is unfortunate. I would like to discuss (respectfully, without throwing blame around) whether/how a better outcome might have been achieved. OP asked, as their first interaction with MO, a clear, well-posed question about connections i...

 

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