Homotopy

Results: 1053



#Item
821Algebraic topology / Homotopy theory / Geometric group theory / Fundamental group / Whitehead torsion / Stallings theorem about ends of groups / Orbifold / Topology / Abstract algebra / Geometric topology

Surjectivity problem for extensions of torsion-free groups 1

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:44:56
8223-manifolds / Conjectures / Manifolds / Topological manifold / Homotopy sphere / Classification of manifolds / Piecewise linear manifold / Geometrization conjecture / Diffeomorphism / Topology / Geometric topology / Differential topology

The Poincar´e Conjecture COLIN ROURKE The Poincar´e Conjecture states that a homotopy 3–sphere is a genuine 3–sphere. It

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:45:33
823Abstract algebra / Trefoil knot / Racks and quandles / Framed knot / Knot / Homotopy / Seifert surface / Knot theory / Topology / Geometric topology

There are two 2–twist-spun trefoils Colin Rourke Brian Sanderson

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:44:56
824Differential topology / Surgery theory / Homotopy theory / Cobordism / CW complex / Characteristic class / Immersion / Mapping class group / Homotopy / Topology / Algebraic topology / Geometric topology

Colin Rourke Curriculum Vitae

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:44:56
825Homotopy / Dehn twist / Curve / Handle decomposition / Topology / Geometric topology / Handlebody

A program to search for homotopy 3–spheres Michael Greene Colin Rourke

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:44:55
826Trefoil knot / Framed knot / Seifert surface / Fundamental group / Racks and quandles / Canonical bundle / Knot / Mutation / Homotopy / Knot theory / Topology / Abstract algebra

A new classification of links and some calculations using it Colin Rourke

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:44:53
827Mathematical analysis / Immersion / Normal bundle / Regular homotopy / Homotopy / Transversality / Differentiable manifold / Codimension / Embedding / Topology / Differential topology / Mathematics

The compression theorem III: applications Colin Rourke Brian Sanderson

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Source URL: msp.warwick.ac.uk

Language: English - Date: 2007-11-07 06:44:46
828Homotopy theory / Algebraic structures / Mathematics / Algebra / Groupoid / Languages of Germany / Latin alphabets / Abstract algebra / Category theory

Some Context for Higher Dimensional Group Theory Brandt’s Gauss’

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2004-04-13 12:22:35
829Mathematics / Groupoid / Homotopy group / Double groupoid / Crossed module / Fundamental group / Homotopy / Group action / Path / Abstract algebra / Homotopy theory / Topology

ON THE CONNECTION BETWEEN THE SECOND RELATIVE HOMOTOPY GROUPS OF SOME RELATED SPACES

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2008-03-06 07:26:59
830Mathematics / Algebraic topology / Category theory / Higher category theory / Homology theory / Homotopy group / Ronald Brown / Hurewicz theorem / Seifert–van Kampen theorem / Topology / Abstract algebra / Homotopy theory

Applications of higher order Seifert–van Kampen Theorems for structured spaces Ronald Brown

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2012-07-10 13:14:18
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