Hostname: page-component-84b7d79bbc-5lx2p Total loading time: 0 Render date: 2024-07-27T18:24:39.983Z Has data issue: false hasContentIssue false

A note on the P-homomorphism in homotopy groups of spheres

Published online by Cambridge University Press:  24 October 2008

P. J. Hilton
Affiliation:
Pembroke CollegeCambridge

Extract

The homomorphism of the title is a homomorphism of πr(Sn) into πr+n−1(Sn) given by

where ι generates πn(Sn). Various results on the P-homomorphism were proved in (4); in particular it was shown that, if ηn generates πn+1(Sn), n ≥ 2, then

Type
Research Notes
Copyright
Copyright © Cambridge Philosophical Society 1955

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

(1)Barratt, M. G. and Hilton, P. J.On join operations in homotopy groups. Proc. Lond. math. Soc. (3), 3 (1953), 430–45.CrossRefGoogle Scholar
(2)Hilton, P. J.Suspension theorems and the generalized Hopf invariant. Proc. Lond. math. Soc. (3), 1 (1951), 462–93.CrossRefGoogle Scholar
(3)Hilton, P. J. On the homotopy groups of the union of spheres. (To be published.)Google Scholar
(4)Hilton, P. J. and Whitehead, J. H. C.Note on the Whitehead product. Ann. Math., Princeton, 58 (1953), 429–42.CrossRefGoogle Scholar
(5)Whitehead, G. W.On products in homotopy groups. Ann. Math., Princeton, 47 (1946), 460–75.CrossRefGoogle Scholar
(6)Whitehead, G. W.A generalization of the Hopf invariant. Ann. Math., Princeton, 51 (1950), 192237.CrossRefGoogle Scholar
(7)Whitehead, G. W.On the Freudenthal theorems. Ann. Math., Princeton, 57 (1953), 209–28.CrossRefGoogle Scholar
(8)Whitehead, J. H. C.On certain theorems of G. W. Whitehead. Ann. Math., Princeton, 58 (1953), 418–28.CrossRefGoogle Scholar