Alexander duality, gropes and link homotopy.
Krushkal, Vyacheslav S., Teichner, Peter (1997)
Geometry & Topology
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Displaying similar documents to “All two dimensions links are null homotopic.”
Alexander duality, gropes and link homotopy.
Fibring the complement of the Fenn-Rolfsen link.
Roger Fenn (1989)
Publicacions Matemàtiques
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In this note it is shown that the complement of the singular linked spheres in four dimensions defined by Fenn and Rolfsen can be fibred by tori. Also a symmetry between the two components is revealed which shows that the image provides an example of a Spanier-Whitehead duality. This provides an immediate proof that the α-invariant is non zero.
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Krushkal, Vyacheslav S. (2005)
Algebraic & Geometric Topology
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Kaiser, Uwe (2003)
Algebraic & Geometric Topology
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Higher order intersection numbers of 2-spheres in 4-manifolds.
Schneiderman, Rob, Teichner, Peter (2001)
Algebraic & Geometric Topology
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Habiro, Kazuo (2000)
Geometry & Topology
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Garoufalidis, Stavros, Levine, Jerome (2001)
Geometry & Topology
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Framed bicobordism
Paul Cherenack (1995)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Homotopical dynamics II : Hopf invariants, smoothings and the Morse complex
Octavian Cornea (2002)
Annales scientifiques de l'École Normale Supérieure
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Skein relations for Milnor's -invariants.
Polyak, Michael (2005)
Algebraic & Geometric Topology
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Calculus of clovers and finite type invariants of 3-manifolds.
Garoufalidis, Stavros, Goussarov, Mikhail, Polyak, Michael (2001)
Geometry & Topology
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