Given a symplectic manifold $(M,\omega)$ and pair of compact Lagrangians submanifolds $L_1,L_2$ inside it, do we know that there is a Lagrangian submanifold in M homeomorphic to their connected sum $L_1 \#L_2?$
2026-03-26 07:44:14.1774511054
Connected sum of Lagrangians also a Lagrangian?
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