Hanke

Results: 360



#Item
151Connection / Operator theory / Fiber bundles / Differential topology / Holonomy / Connection form / Vector bundle / Chern class / Compact operator / Mathematical analysis / Topology / Differential geometry

ENLARGEABILITY AND INDEX THEORY: INFINITE COVERS BERNHARD HANKE AND THOMAS SCHICK Abstract. In [5] we showed non-vanishing of the universal index elements in the K-theory of the maximal C ∗ -algebras of the fundamental

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

Language: English - Date: 2013-12-05 22:03:00
152Mathematical physics / Algebraic topology / Differential topology / Lemmas / Morse theory / Surgery theory / Moduli space / Differentiable manifold / Diffeomorphism / Abstract algebra / Topology / Mathematics

HOMOTOPY GROUPS OF THE MODULI SPACE OF METRICS OF POSITIVE SCALAR CURVATURE BORIS BOTVINNIK, BERNHARD HANKE, THOMAS SCHICK, AND MARK WALSH Abstract. We show by explicit examples that in many degrees in a stable range the

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Language: English - Date: 2013-12-05 22:03:00
153Homotopy theory / Fiber bundles / Differential topology / Surgery theory / Cobordism / Connection / Thom space / Universal bundle / Representation theory / Topology / Abstract algebra / Algebraic topology

GEOMETRIC VERSUS HOMOTOPY THEORETIC EQUIVARIANT BORDISM BERNHARD HANKE A BSTRACT. By results of L¨offler and Comeza˜na, the Pontrjagin-Thom map from geometric G-equivariant bordism to homotopy theoretic equivariant bor

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Language: English - Date: 2013-12-05 22:03:01
154Mathematics / Differential topology / Characteristic classes / Stiefel–Whitney class / Thom space / Vector bundle / Surgery theory / Cobordism / Cup product / Topology / Abstract algebra / Algebraic topology

CYCLES, SUBMANIFOLDS, AND STRUCTURES ON NORMAL BUNDLES C. BOHR, B. HANKE, AND D. KOTSCHICK Abstract. We give explicit examples of degree 3 cohomology classes not Poincar´e dual to submanifolds, and discuss the realisabi

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Language: English - Date: 2013-12-05 22:03:00
155Algebra / Homotopy theory / Group theory / Spectral sequences / Serre spectral sequence / Sheaf / Homotopy group / CW complex / Atiyah–Singer index theorem / Abstract algebra / Topology / Algebraic topology

REALIZATION OF EQUIVARIANT CHAIN COMPLEXES BERNHARD HANKE A BSTRACT. We discuss a question appearing in a recent article by A. Sikora [4] concerning the vanishing of certain differentials in the LeraySerre spectral seque

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Language: English - Date: 2013-12-05 22:03:01
156Differential topology / Differential geometry / Geometric topology / Curvature / Surgery theory / Differentiable manifold / Classification of manifolds / Connection / Riemannian manifold / Topology / Mathematical analysis / Mathematics

POSITIVE SCALAR CURVATURE WITH SYMMETRY BERNHARD HANKE A BSTRACT. We show an equivariant bordism principle for constructing metrics of positive scalar curvature that are invariant under a given group action. Furthermore,

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Language: English - Date: 2013-12-05 22:03:03
157K-theory / Differential topology / Algebraic topology / Geometric topology / Surgery theory / Differentiable manifold / Atiyah–Singer index theorem / Baum–Connes conjecture / Degree of a continuous mapping / Topology / Mathematics / Abstract algebra

COARSE TOPOLOGY, ENLARGEABILITY, AND ESSENTIALNESS B. HANKE, D. KOTSCHICK, J. ROE, AND T. SCHICK A BSTRACT. Using methods from coarse topology we show that fundamental classes of closed enlargeable manifolds map non-triv

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Language: English - Date: 2013-12-05 22:03:01
158Differential topology / Curvature / Differential geometry / Algebraic topology / Mathematical physics / Sectional curvature / Diffeomorphism / Differentiable manifold / Principal bundle / Topology / Mathematics / Geometry

THE SPACE OF METRICS OF POSITIVE SCALAR CURVATURE BERNHARD HANKE, THOMAS SCHICK, AND WOLFGANG STEIMLE A BSTRACT. We study the topology of the space of positive scalar curvature metrics on high dimensional spheres and oth

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Language: English - Date: 2014-02-12 16:49:09
159Algebraic topology / Fiber bundles / Differential topology / Differential geometry / Connection / Vector bundle / Connection form / Holonomy / Tangent space / Topology / Mathematical analysis / Mathematics

ENLARGEABILITY AND INDEX THEORY B. Hanke and T. Schick Abstract Let M be a closed enlargeable spin manifold. We show nontriviality of the universal index obstruction in the K-theory of the maximal C ∗ -algebra of the f

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Language: English - Date: 2013-12-05 22:03:01
160Curvature / Differential geometry / Differential topology / Geometric topology / Riemannian geometry / Differentiable manifold / Ricci curvature / Sectional curvature / Surgery theory / Topology / Mathematical analysis / Geometry

POSITIVE SCALAR CURVATURE, K-AREA AND ESSENTIALNESS BERNHARD HANKE A BSTRACT. The Lichnerowicz formula yields an index theoretic obstruction to positive scalar curvature metrics on closed spin manifolds. The most general

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

Language: English - Date: 2013-12-05 22:36:21
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