An invariant of smooth 4-manifolds.

Taylor, Laurence R.

Displaying similar documents to “An invariant of smooth 4-manifolds.”

Universal manifold pairings and positivity.

Freedman, Michael H., Kitaev, Alexei, Nayak, Chetan, Slingerland, Johannes K., Walker, Kevin, Wang, Zhenghan (2005)

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h-cobordisms between 1-connected 4-manifolds.

Kreck, Matthias (2001)

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An infinite family of tight, not semi-fillable contact three-manifolds.

Lisca, Paolo, Stipsicz, Andras I. (2003)

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Algebraic equations for nonsmoothable 8-manifolds

Nicholaas H. Kuiper (1967)

Publications Mathématiques de l'IHÉS

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Topological manifolds and real algebraic geometry

Alberto Tognoli (2003)

Bollettino dell'Unione Matematica Italiana

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We study the problem of approximating, up to homotopy, compact topological manifolds by real algebraic varieties. As a consequence, we realize any integral non-degenerate quadratic form as the intersection form of a real algebraic variety. This is related to a well-known result, due to Freedman [F], on the topology of closed simply-connected topological $4$ -manifolds.

On the Components of the Push-out Space with Certain Indices

Yusuf Kaya (2012)

Rendiconti del Seminario Matematico della Università di Padova

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Finiteness of classifying spaces of relative diffeomorphism groups of 3-manifolds.

Hatcher, Allen, McCullough, Darryl (1997)

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On the non-invariance of span and immersion co-dimension for manifolds

Diarmuid J. Crowley, Peter D. Zvengrowski (2008)

Archivum Mathematicum

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In this note we give examples in every dimension $m \geq 9$ of piecewise linearly homeomorphic, closed, connected, smooth $m$ -manifolds which admit two smoothness structures with differing spans, stable spans, and immersion co-dimensions. In dimension $15$ the examples include the total spaces of certain $7$ -sphere bundles over $S^{8}$ . The construction of such manifolds is based on the topological variance of the second Pontrjagin class: a fact which goes back to Milnor and which was used by Roitberg to...

Exotic smooth structures on nonpositively curved symmetric spaces.

Okun, Boris (2002)

Algebraic & Geometric Topology

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