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Apr 13, 2017 at 12:19 history edited CommunityBot
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Aug 29, 2012 at 23:19 history edited Qing Liu CC BY-SA 3.0
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Feb 26, 2010 at 0:01 comment added darij grinberg Thanks a lot, though much of this answer is over my head (I'm still not beyound Atiyah/Macdonald in commutative algebra). Anyway, the main reason why I asked the connectedness question has just collapsed: the product I was thinking of is not the tensor product.
Feb 25, 2010 at 18:12 history edited Qing Liu CC BY-SA 2.5
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Feb 25, 2010 at 15:33 history answered Qing Liu CC BY-SA 2.5