English

Lagrangian spheres in Del Pezzo surfaces

Symplectic Geometry 2010-05-04 v2 Differential Geometry

Abstract

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.

Cite

@article{arxiv.0902.0540,
  title  = {Lagrangian spheres in Del Pezzo surfaces},
  author = {Jonathan David Evans},
  journal= {arXiv preprint arXiv:0902.0540},
  year   = {2010}
}

Comments

48 pages, 2 figures; referee's corrections and suggestions incorporated.

R2 v1 2026-06-21T12:07:34.068Z