Special and general types
A variant of topological K-theory on spaces with -action.
KR theory was introduced in
- Michael Atiyah, K-theory and reality, The Quarterly Journal of Mathematics. Oxford. Second Series 17 (1) (1966),: 367–386, doi:10.1093/qmath/17.1.367, ISSN 0033-5606, MR 0206940
Further discussion includes
Johan Dupont, Symplectic bundles and -theory (1967) (pdf)
Paolo Masulli, Equivariant homotopy: -theory, Master thesis (2011) (pdf)
For relation to orientifolds, see the references given there.
Revised on June 8, 2012 13:27:03
by Urs Schreiber