Torsion in BBSO

James D. Stasheff

Vol. 28 (1969), No. 3, 677–680

DOI: 10.2140/pjm.1969.28.677

Abstract

The cohomology of BBSO, the classifying space for the stable Grassmanian BSO, is shown to have torsion of order precisely 2^r for each natural number r. Moreover, the elements of order 2^r appear in a pattern of striking simplicity.

Mathematical Subject Classification

Primary: 57.45

Milestones

Received: 3 May 1968

Published: 1 March 1969