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Displaying similar documents to “On the connection between the topological genus of certain polyhedra and the algebraic genus of their Hilton-Hopt quadratic forms.”

Power-cancellation of CW-complexes with few cells.

Irene Llerena (1992)

Publicacions Matemàtiques

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In this paper we use the fact that the rings of integer matrices have the power-substitution property in order to obtain a power-cancellation property for homotopy types of CW-complexes with one cell in dimensions 0 and 4n and a finite number of cells in dimension 2n.

Octahedra and braids

Birger Iversen (1986)

Bulletin de la Société Mathématique de France

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On the intersection forms of closed 4-manifolds.

Alberto Cavicchioli, Friedrich Hegenbarth (1992)

Publicacions Matemàtiques

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Given a closed 4-manifold M, let M* be the simply-connected 4-manifold obtained from M by killing the fundamental group. We study the relation between the intersection forms λ and λ. Finally some topological consequences and examples are described.