Maslov class rigidity for Lagrangian submanifolds via Hofer's geometry

Details Maslov class rigidity for Lagrangian submanifolds via Hofer's geometry Maslov class rigidity for Lagrangian submanifolds via Hofer's geometry

2008-08-10

arxiv.org/abs/0808.1422v1

Mathematics

Symplectic Geometry

34 pages

Scientific paper

In this work, we establish new rigidity results for the Maslov class of Lagrangian submanifolds in large classes of closed and convex symplectic manifolds. Our main result establishes upper bounds for the minimal Maslov number of displaceable Lagrangian submanifolds which are product manifolds whose factors each admit a metric of negative sectional curvature. Such Lagrangian submanifolds exist in every symplectic manifold of dimension greater than six or equal to four. The proof utilizes the relations between closed geodesics on the Lagrangian, the periodic orbits of geometric Hamiltonian flows supported near the Lagrangian, and the length minimizing properties of these flows with respect to the negative Hofer length functional.

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