Compact Exact Lagrangian Intersections in Cotangent Bundles via Sheaf Quantization

  • Yuichi Ike

    Fujitsu Laboratories Ltd., Kawasaki, Kanagawa, Japan
Compact Exact Lagrangian Intersections in Cotangent Bundles via Sheaf Quantization cover

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Abstract

We show that the cardinality of the transverse intersection of two compact exact Lagrangian submanifolds in a cotangent bundle is bounded from below by the dimension of the Hom space of sheaf quantizations of the Lagrangians in Tamarkin's category. Our sheaf-theoretic method can also deal with clean and degenerate Lagrangian intersections.

Cite this article

Yuichi Ike, Compact Exact Lagrangian Intersections in Cotangent Bundles via Sheaf Quantization. Publ. Res. Inst. Math. Sci. 55 (2019), no. 4, pp. 737–778

DOI 10.4171/PRIMS/55-4-3