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arxiv: 0911.3924 · v1 · submitted 2009-11-19 · 🧮 math.AG · math.AC

Fibers of Projections and Submodules of Deformations

classification 🧮 math.AG math.AC
keywords invariantsboundfibersgenericprojectionapplicationcloselycomplexity
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We bound the complexity of the fibers of the generic linear projection of a smooth variety in terms of a new family of invariants. These invariants are closely related to ideas of John Mather, and we give a simple proof of his bound on the Thom-Boardman invariants of a generic projection as an application.

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