Periodic transformations on the product of two spheres

Abstract

empty).H*(X;ZP) = ^Hk{X;Zp) (H*(F;Zp) = Z?H\F;ZP)) denotes the (nonreduced) Alexander-Wallace-Spanier cohomology algebra of X (of F) with coefficients in Zp.Let A*(X;Zp) = T,0Ak{X;Zp) (A*(F;Zp) = ^Ak(F;Zp)) be the AWS cochain group of X (of F) with coefficients in Zp.They are Zp-modules in a natural way.Let W* = Z