https://dspace.mit.edu/entities/publication/13983b00-63a2-420c-8c00-0309322d0dd7
Symplectic cohomology of contractible surfaces
In 2004, Seidel and Smith proved that the Liouville manifold associated to Ramanujams surface contains a Lagrangian torus which is not displaceable by...
symplecticcohomologycontractiblesurfaces