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- Publisher
- de Gruyter
- Copyright
- © Walter de Gruyter
- ISSN
- 0933-7741
- eISSN
- 1435-5337
- DOI
- 10.1515/FORUM.2008.032
- Publisher site
- See Article on Publisher Site
Abstract
Secondary homotopy groups supplement the structure of classical homotopy groups. They yield a 2-functor on the groupoid-enriched category of pointed spaces compatible with fiber sequences, suspensions and loop spaces. They also yield algebraic models of ( n - 1)-connected ( n + 1)-types for n ≥ 0. 1991 Mathematics Subject Classification: 18D05, 55Q25, 55S45.
Journal
Forum Mathematicum – de Gruyter
Published: Jul 1, 2008