Almost-Complex Substructures on the Sphere

I. Dibag
1976 Proceedings of the American Mathematical Society  
The paper solves completely the existence problem of almostcomplex substructures on spheres. Let Lk be the 2-component of Mk, i.e. Lk = 2Vl(Mk) where v2(Mk) = sup(r + v2(r)), 1 < r < k -1. Received by the editors July 21, 197521, and, in revised form, March 22, 1976. A MS (MOS) subject classifications (1970). Primary 53C15, 55G40; Secondary 53C65.
doi:10.2307/2041342 fatcat:n77yqrl4vrah5dxzmd6exeflwe