scientific article

zbMath0535.57015MaRDI QIDQ3319432

Bjørn Jahren, Wu-Chung Hsiang

Publication date: 1982

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

surgery obstruction groupsrational homotopy groupshomotopy groups of diffeomorphism groups of spherical space formsspace of pseudoisotopies

Mathematics Subject Classification ID

Rational homotopy theory (55P62) Groups of diffeomorphisms and homeomorphisms as manifolds (58D05) Isotopy in differential topology (57R52) Algebraic (K)-theory and (L)-theory (category-theoretic aspects) (18F25) Homotopy groups of special spaces (55Q52) Differential topological aspects of diffeomorphisms (57R50)

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