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arxiv: math/0103123 · v1 · submitted 2001-03-20 · 🧮 math.AG · math.AC

The Valuative Theory of Foliations

classification 🧮 math.AG math.AC
keywords singularappearcharacterizecomplexconstructionconvergentdescribedicritical
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We describe the valuations following infinitely near singular points of a (singular) holomorphic foliation in the complex plane. They appear to be those satisfying a generalization of L'Hopital's rule. With them, we characterize dicritical vector fields, generic simple singularities, the existence of non- convergent solutions, etc. The construction is generalizable to dimension n.

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