Symplectic \((-2)\)-spheres and the symplectomorphism group of small rational 4-manifolds

DOI10.2140/pjm.2020.304.561zbMath1436.32088arXiv1611.07436OpenAlexW3005800151MaRDI QIDQ2305504

Yanyan Li

Publication date: 11 March 2020

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1611.07436

zbMATH Keywords

almost complex structuresymplectomorphism groupLagrangian root systemrational symplectic manifold

Mathematics Subject Classification ID

Symplectic manifolds (general theory) (53D05) Symplectic and contact topology in high or arbitrary dimension (57R17) Global theory of symplectic and contact manifolds (53D35) General geometric structures on manifolds (almost complex, almost product structures, etc.) (53C15) Pseudoholomorphic curves (32Q65) Topological properties of groups of homeomorphisms or diffeomorphisms (57S05)

Related Items (4)

On the rank of \(\pi_1\)(Ham) ⋮ Symplectic isotopy on non-minimal ruled surfaces ⋮ Loops in the fundamental group of which are not represented by circle actions ⋮ Symplectic (-2)-spheres and the symplectomorphism group

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