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Mar 29, 2014 at 0:57 vote accept user26832
Mar 28, 2014 at 22:35 comment added user26832 Why downvoted??
Mar 28, 2014 at 22:23 answer added Mohan timeline score: 2
S Mar 28, 2014 at 15:15 history suggested Mahdi Majidi-Zolbanin
Added a Tag.
Mar 28, 2014 at 15:11 review Suggested edits
S Mar 28, 2014 at 15:15
Mar 27, 2014 at 23:15 comment added user26832 @darijgrinberg Thank you for the reference. However, it's another kind of proof. I'm still curious why this part is true in Lang's book. I think this part is more complicated than I thought.
Mar 27, 2014 at 22:58 comment added darij grinberg Proposition V.2.6 in T. Y. Lam's "Serre's problem on projective modules" is a generalization of the theorem. See also his Proposition III.2.6.
Mar 27, 2014 at 22:44 comment added user26832 @darijgrinberg yes, I've already searched in another books, I couldn't find any other books/articles with the same proof, do you know some references?
Mar 27, 2014 at 22:41 comment added darij grinberg Repost of math.stackexchange.com/questions/729081/… . As I said in another of your threads, the proof is from Serge Lang's "Algebra", and you might like to try a different book instead, since Lang's proofs often lack detail and precision (I don't understand this one either).
Mar 27, 2014 at 20:38 history asked user26832 CC BY-SA 3.0