Axioms for Hopf Invariants


1. Since H. Hopf first proved that irziS) « Z by showing that a certain invariant was non tri vial, several similar invariants—called generalized Hopf invariants—have been described; indeed, there are no less than 6 different definitions in the literature, and it was not always clear whether theorems about one applied to others. Many definitions were… (More)


Cite this paper

@inproceedings{Boardman2007AxiomsFH, title={Axioms for Hopf Invariants}, author={J. M. Boardman and B. Steer}, year={2007} }