Universal manifold pairings and positivity.
Freedman, Michael H., Kitaev, Alexei, Nayak, Chetan, Slingerland, Johannes K., Walker, Kevin, Wang, Zhenghan (2005)
Geometry & Topology
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Displaying similar documents to “On a problem of S. Ulam concerning Cartesian products”
Universal manifold pairings and positivity.
On manifold spines and cyclic presentations of groups
Alberto Cavicchioli, Friedrich Hegenbarth, Dušan Repovš (1998)
Banach Center Publications
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This is a survey of results and open problems on compact 3-manifolds which admit spines corresponding to cyclic presentations of groups. We also discuss questions concerning spines of knot manifolds and regular neighborhoods of homotopically PL embedded compacta in 3-manifolds.
On classification of -manifolds according to genus
Alberto Cavicchioli, Mauro Meschiari (1993)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Degree one maps between small 3-manifolds and Heegaard genus.
Boileau, Michel, Wang, Shicheng (2005)
Algebraic & Geometric Topology
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Close PL involutions of 3-manifolds which are conjugate by a small homeomorphism
W. Jakobsche (1983)
Fundamenta Mathematicae
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The Reidemeister-Turaev torsion of standard Spin structures on Seifert fibered 3-manifolds
Yuya Koda (2012)
Annales de la faculté des sciences de Toulouse Mathématiques
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The Reidemeister-Turaev torsion is an invariant of 3-manifolds equipped with Spin structures. Here, a Spin structure of a 3-manifold is a homology class of non-singular vector fields on it. Each Seifert fibered 3-manifold has a standard Spin structure, which is represented as a non-singular vector field the set of whose orbits give a Seifert fibration. We provide an algorithm for computing the Reidemeister-Turaev torsion of the standard Spin structure on a Seifert fibered 3-manifold....
Homeotopy groups of surfaces whose boundary is the union of 1-spheres
Richard Tondra (1980)
Fundamenta Mathematicae
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Genus two 3-manifolds are built from handle number one pieces.
Sedgwick, Eric (2001)
Algebraic & Geometric Topology
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The co-rank conjecture for 3-manifold groups.
Leininger, Christopher J., Reid, Alan W. (2002)
Algebraic & Geometric Topology
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Surgery and involutions on 4-manifolds.
Krushkal, Vyacheslav S. (2005)
Algebraic & Geometric Topology
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