%0 Journal Article
%A Auroux, Denis
%A Muñoz, Vicente
%A Presas, Francisco
%T Lagrangian submanifolds and Lefschetz pencils.
%D 2005
%@ 1527-5256
%U https://hdl.handle.net/20.500.14352/50612
%X Given a Lagrangian submanifold in a symplectic manifold and a Morse function on the submanifold, we show that there is an isotopic Morse function and a symplectic Lefschetz pencil on the manifold extending the Morse function to the whole manifold. From this construction,we define a sequence of symplectic invariants classifying the isotopy classes of Lagrangian spheres in a symplectic 4-manifold.
%~