International Journal of Mathematics and Mathematical Sciences (Jan 2004)

Rational toral ranks in certain algebras

  • Yasusuke Kotani,
  • Toshihiro Yamaguchi

DOI
https://doi.org/10.1155/S0161171204403421
Journal volume & issue
Vol. 2004, no. 69
pp. 3765 – 3774

Abstract

Read online

We calculate the rational toral ranks of two spaces whose cohomologies are isomorphic and note that rational toral rank is a rational homotopy invariant but not a cohomology invariant.