Exotic spheres and curvature

Joachim, M.; Wraith, D.

doi:10.1090/S0273-0979-08-01213-5

Exotic spheres and curvature
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by M. Joachim and D. J. Wraith PDF

Bull. Amer. Math. Soc. 45 (2008), 595-616 Request permission

Abstract:

Since their discovery by Milnor in 1956, exotic spheres have provided a fascinating object of study for geometers. In this article we survey what is known about the curvature of exotic spheres.

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