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Sheaf quantization and intersection of rational Lagrangian immersions

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arxiv 2005.05088 v5 pith:RCTUIZVZ submitted 2020-05-11 math.SG

Sheaf quantization and intersection of rational Lagrangian immersions

classification math.SG
keywords lagrangianquantizationrationalsheafimmersionimmersionsintersectionbetti
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We study rational Lagrangian immersions in a cotangent bundle, based on the microlocal theory of sheaves. We construct a sheaf quantization of a rational Lagrangian immersion and investigate its properties in Tamarkin category. Using the sheaf quantization, we give an explicit bound for the displacement energy and a Betti/cup-length estimate for the number of the intersection points of the immersion and its Hamiltonian image by a purely sheaf-theoretic method.

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