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High Quality Content by WIKIPEDIA articles! In mathematics, given two submanifolds A and B of a manifold X intersecting in two points p and q, a Whitney disc is a mapping from the two-dimensional disc D, with two marked points, to X, such that the two marked points go to p and q, one boundary arc of D goes to A and the other to B. THeir existence and embeddedness is crucial in proving the cobordism theorem, where it is used to cancel the intersection points; and its failure in low dimensions corresponds to not being able to embed a Whitney disc. CAsson handles are an important technical tool for constructing the embedded Whitney disc relevant to many results on topological four-manifolds.

Detalhes do Produto

    • Ano de Edição: 2010
    • Ano:  2010
    • País de Produção: Germany
    • Código de Barras:  9786131169465
    • ISBN:  6131169462
    • Encadernação:  BROCHURA
    • Peso: 0.18 kg
    • Quantidade de Itens do Complemento:  0
    • Nº de Páginas:  112

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