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Invariants of real symplectic 4-manifolds and lower bounds in real enumerative geometry

โœ Scribed by Jean-Yves Welschinger

Publisher
Springer-Verlag
Year
2005
Tongue
English
Weight
664 KB
Volume
162
Category
Article
ISSN
0020-9910

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Invariants of real rational symplectic 4
Invariants of real rational symplectic 4-manifolds and lower bounds in real enumerative geometry
โœ Jean-Yves Welschinger ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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.