On the inertia group of a product of spheres

Schultz, Reinhard

doi:10.1090/S0002-9947-1971-0275453-9

On the inertia group of a product of spheres
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Trans. Amer. Math. Soc. 156 (1971), 137-153 Request permission

Abstract:

In this paper it is proved that the smooth connected sum of a product of ordinary spheres with an exotic combinatorial sphere is never diffeomorphic to the original product. This result is extended and compared to certain related examples.

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