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May 6, 2011 at 13:43 comment added Mark Grant @yeshengkui: There is no need to close questions that have been satisfactorily answered, as these are unlikely to attract new answers and hence keep bubbling up to the top of the front page.
May 5, 2011 at 15:30 history edited yeshengkui CC BY-SA 3.0
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May 5, 2011 at 15:20 vote accept yeshengkui
May 5, 2011 at 15:19 vote accept yeshengkui
May 5, 2011 at 15:20
May 5, 2011 at 7:03 answer added Mark Grant timeline score: 16
May 5, 2011 at 6:57 answer added Tilman timeline score: 19
May 5, 2011 at 6:42 comment added Eric Peterson A reference is probably best: see Switzer 14.35-36 for homology representation, which relies on various cohomology representation results from chapter 9 --- say, 9.21 and onward.
May 5, 2011 at 6:07 history asked yeshengkui CC BY-SA 3.0