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edited Aug 10, 2015 at 5:17

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When is the Thom class the Poincare dual of the zero section?

As the title suggests, when is the Thom class the Poincare dual of the zero section? For starters, it's true for the normal bundle of an immersion...

ag.algebraic-geometry at.algebraic-topology cohomology

asked Aug 10, 2015 at 5:02

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