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S Oct 15, 2017 at 14:30 history suggested Glorfindel CC BY-SA 3.0
capitalization, formatting
Oct 15, 2017 at 13:53 review Suggested edits
S Oct 15, 2017 at 14:30
Aug 18, 2010 at 23:20 comment added Robert Bruner Put another way: E characteristic classes for G -bundles are natural transformations {G-bundles/X} ---> E^*(X) Since {G-bundles/X} is $[X,BG]$ the Yoneda lemma tells you such natural transformations are in one-to-one correspondence with $E^*(BG)$.
Apr 19, 2010 at 4:57 history answered Sean Tilson CC BY-SA 2.5