Seminar of Algebra

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Vanishing homology of codimension 1 singularities of mappings from $n$-space to $(n+1)$-space

David Mond (University of Warwick)
Departamento de Álgebra
Fri, 10 feb 2017 15:30
David Mond es Profesor de Matemáticas en la Universidad de Warwick, Inglaterra. Trabaja en la teoría geométrica de singularidades de aplicaciones analíticas complejas

The title refers to higher dimensional analogues of the Reidemeister moves of knot theory. Like the Reidemeister moves, each such singularity collapses an $n$-cycle in the image of the map. The talk describes the geometrical origin of the vanishing cycle, with a focus on examples