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#lefschetz_duality

Lefschetz duality

Topological duality

In mathematics, Lefschetz duality is a version of Poincaré duality in geometric topology, applying to a manifold with boundary. Such a formulation was introduced by Solomon Lefschetz, at the same time introducing relative homology, for application to the Lefschetz fixed-point theorem. There are now numerous formulations of Lefschetz duality or Poincaré–Lefschetz duality, or Alexander–Lefschetz duality.

Thu 12th

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Lefschetz duality Solomon Lefschetz Poincaré duality Lefschetz fixed-point theorem List of dualities Fundamental class Lefschetz manifold List of things named after Henri Poincaré Henri Poincaré Topological data analysis
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