Lagrangian spheres in Del Pezzo surfaces
classification
🧮 math.SG
math.DG
keywords
lagrangianpezzospheressurfacesarisingblow-upblow-upscase
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Lagrangian spheres in the symplectic Del Pezzo surfaces arising as blow-ups of the complex projective plane in 4 or fewer points are classified up to Lagrangian isotopy. Unlike the case of the 5-point blow-up, there is no Lagrangian knotting.
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