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Oct 4, 2013 at 0:20 history edited Xiao-Gang Wen CC BY-SA 3.0
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Nov 2, 2012 at 3:17 vote accept Xiao-Gang Wen
Nov 2, 2012 at 3:01 history edited Xiao-Gang Wen CC BY-SA 3.0
added 36 characters in body
Nov 2, 2012 at 2:24 answer added Peter May timeline score: 5
Nov 2, 2012 at 1:51 answer added Ryan Budney timeline score: 7
Nov 2, 2012 at 1:42 comment added Xiao-Gang Wen Thanks. It is nice to know. It appears that $H_\*(X,Z)$ contained most info. This question is motivated by another question mathoverflow.net/questions/111087/… which is unfortunately closed :-( Any light on that question will be greatly appreciated.
Nov 2, 2012 at 0:39 history asked Xiao-Gang Wen CC BY-SA 3.0