Given a CW-complex A we define an 'A-shaped' homology theory which behaves nicely towards A-homotopy groups allowing the generalization of many classical results. We also develop a relative version of the Federer spectral sequence for computing A-homotopy groups. As an application we derive a generalization of the Hopf-Whitney theorem.
机构:
Univ Calgary, Dept Math & Stat, 2500 Univ Dr NW, Calgary, AB T2N 1N4, CanadaUniv Calgary, Dept Math & Stat, 2500 Univ Dr NW, Calgary, AB T2N 1N4, Canada
机构:
Univ Paris Cite, Inst Math Jussieu Paris Rive Gauche, CNRS, DMA,ENS,PSL,SU, Pl Aurelie Nemours, F-75013 Paris, FranceUniv Paris Cite, Inst Math Jussieu Paris Rive Gauche, CNRS, DMA,ENS,PSL,SU, Pl Aurelie Nemours, F-75013 Paris, France
Livernet, Muriel
Whitehouse, Sarah
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Univ Sheffield, Sch Math & Stat, Sheffield S3 7RH, EnglandUniv Paris Cite, Inst Math Jussieu Paris Rive Gauche, CNRS, DMA,ENS,PSL,SU, Pl Aurelie Nemours, F-75013 Paris, France