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Simple singularities and topology of symplectically filling 4-manifold

โœ Scribed by H. Ohta; K. Ono


Publisher
European Mathematical Society
Year
1999
Tongue
English
Weight
337 KB
Volume
74
Category
Article
ISSN
0010-2571

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Invariants of real rational symplectic 4
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.