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Séminaire Géométries ICJ

# Classification of Lagrangians nearby the Whitney sphere

## by Georgios Dimitroglou Rizell

vendredi 19 mai 2017 de au (Europe/Paris)
at ICJ ( Salle 112 )
1er étage bâtiment Braconnier, Université Claude Bernard Lyon 1 - La Doua
 Description The complement of the binodal conic in the projective plane is a standard neighbourhood of a Lagrangian sphere with one transverse double point (e.g. the standard Whitney sphere). We classify all Lagrangian tori as well as immersions of spheres with one transverse double point inside this space up to Hamiltonian isotopy, under the assumption that their Maslov classes vanish.