Homotopy group

Results: 381



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ORBISPACES, ORTHOGONAL SPACES, AND THE UNIVERSAL COMPACT LIE GROUP STEFAN SCHWEDE Introduction In this article we provide a new perspectives on unstable global homotopy theory: we interpret it as the

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Source URL: www.math.uni-bonn.de

- Date: 2016-03-09 07:40:20
    2Topology / Homotopy theory / Surgery theory / Differential topology / Geometric topology / Algebraic topology / Immersion / 4-manifold / Manifold / Obstruction theory / Homotopy group / Fundamental group

    PULLING APART 2–SPHERES IN 4–MANIFOLDS ROB SCHNEIDERMAN AND PETER TEICHNER Abstract. An obstruction theory for representing homotopy classes of surfaces in 4– manifolds by immersions with pairwise disjoint images i

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    Source URL: people.mpim-bonn.mpg.de

    Language: English - Date: 2015-06-17 03:57:55
    3Topology / Mathematics / Abstract algebra / Homotopy theory / Algebraic topology / Simplicial set / Simplicial map / Nerve / Equivariant cohomology / Simplicial complex / Fundamental group / Universal bundle

    459 Documenta Math. K-Theory and the Enriched Tits Building To A. A. Suslin with admiration, on his sixtieth birthday.

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    Source URL: www.math.uiuc.edu

    Language: English - Date: 2010-06-21 16:08:30
    4Topology / Geometric topology / Mathematical physics / Genus of a multiplicative sequence / Signature / Differentiable manifold / Diffeomorphism / Surgery theory / Manifolds

    Geometry/Topology ˆ The A-genus of S 1-manifolds with finite second homotopy group Manuel Amann a,1 , Anand Dessai b,2

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    Source URL: homeweb1.unifr.ch

    Language: English - Date: 2010-01-25 07:48:00
    5Mathematics / Topology / Algebra / Geometric group theory / Algebraic topology / Homotopy theory / Differential topology / Orbifold / BassSerre theory / Fundamental group / CW complex / Stallings theorem about ends of groups

    COCOMPACTLY CUBULATED GRAPH MANIFOLDS MARK F. HAGEN∗ AND PIOTR PRZYTYCKI† Abstract. Let M be a graph manifold. We show that π1 M is the fundamental group of a compact nonpositively curved cube complex if and only if

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    Source URL: www.wescac.net

    Language: English - Date: 2014-06-23 02:55:05
    6Topology / Mathematics / Differential topology / Surgery theory / Algebraic topology / Homotopy theory / Cohomology / Cobordism / Homotopy / Diffeomorphism / StiefelWhitney class / Homology

    COHOMOTOPY SETS OF 4-MANIFOLDS ROBION KIRBY, PAUL MELVIN AND PETER TEICHNER Abstract. Elementary geometric arguments are used to compute the group of homotopy classes of maps from a 4-manifold X to the 3-sphere, and to e

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    Source URL: people.mpim-bonn.mpg.de

    Language: English - Date: 2015-06-17 03:57:56
    7Algebra / Abstract algebra / Mathematics / Category theory / Homological algebra / Homotopy theory / Algebraic topology / Cohomology theories / Pullback / Adjoint functors / Model category / Equivalence of categories

    Algebraic models for rational equivariant stable homotopy theory (joint work with John Greenlees) Conjecture.(Greenlees) For any compact Lie group G there is an abelian category A(G) such that

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    Source URL: www.math.uni-bonn.de

    Language: English - Date: 2010-06-25 16:26:28
    8Topology / Mathematics / Abstract algebra / Homotopy theory / Algebraic topology / Simplicial set / Simplicial map / Nerve / Equivariant cohomology / Simplicial complex / Fundamental group / Universal bundle

    459 Documenta Math. K-Theory and the Enriched Tits Building To A. A. Suslin with admiration, on his sixtieth birthday.

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    Source URL: documenta.sagemath.org

    Language: English - Date: 2010-06-21 16:08:30
    9Algebra / Abstract algebra / Mathematics / Group theory / Homotopy theory / Cohomology theories / Homological algebra / Spectral sequence / Cohomology / Hopf algebra / Homology / Steenrod algebra

    Unstable splittings related to Brown-Peterson cohomology J. Michael Boardman and W. Stephen Wilson Abstract. We give a new and relatively easy proof of the splitting theorem of the second author for the spaces in the Ome

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    Source URL: www.math.jhu.edu

    Language: English - Date: 2014-03-30 15:19:14
    10Algebra / Abstract algebra / Mathematics / Category theory / Homotopy theory / Algebraic topology / Groupoid / Group scheme / Stack / tale morphism / Universal property / Morphism of algebraic varieties

    The Galois-Theoretic Kodaira-Spencer Morphism of an Elliptic Curve Shinichi Mochizuki JulyContents:

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    Source URL: www.kurims.kyoto-u.ac.jp

    Language: English - Date: 2011-11-07 07:14:56
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