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Branched coverings of ℂℙ2 and invariants of symplectic 4-manifolds

✍ Scribed by Denis Auroux; Ludmil Katzarkov

Publisher
Springer-Verlag
Year
2000
Tongue
English
Weight
375 KB
Volume
142
Category
Article
ISSN
0020-9910

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📜 SIMILAR VOLUMES

Invariants of real rational symplectic 4
Invariants of real rational symplectic 4-manifolds and lower bounds in real enumerative geometry
✍ Jean-Yves Welschinger 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 92 KB

Following the approach of Gromov and Witten, we construct invariants under deformation of real rational symplectic 4-manifolds. These invariants provide lower bounds for the number of real rational J -holomorphic curves in a given homology class passing through a given real configuration of points.