We consider ℙ1 × ℙ1 equipped with the complex conjugation (x, y) → (ȳ,x̄) and blown up in at most two real or two complex conjugate points. For these four surfaces we prove the logarithmic equivalence of Welschinger and Gromov-Witten invariants.
|Number of pages||9|
|Journal||Proceedings of the Steklov Institute of Mathematics|
|State||Published - Sep 2007|