Homology, Homotopy and Applications
Volume 10 (2008)
Pages: 135 – 137
We remark that a very short proof of an elementary result concerning cohomological periods is implicit in the existing literature. As a corollary we show that given a finitely generated stably free resolution of the integers over a finite group, two of its modules are free.
projective resolution; periodic homology
2010 Mathematics Subject Classification