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Dec 4, 2015 at 17:02 comment added Tom Goodwillie I don't know offhand.
Dec 4, 2015 at 14:04 comment added Ali Taghavi Prof. Goodwillie, may be an alternative proof is that; it is well known that the complexification of the tangent bundle of $S^{n}$ is trivial. I read this statement in a paper of Swan, but I do not know what is the reason of this triviality?is there an obvious reason for this?
Apr 3, 2013 at 19:52 vote accept Nikita Kalinin
Mar 26, 2013 at 22:00 history answered Tom Goodwillie CC BY-SA 3.0